Merge commit '84d74ae9c9cbed73274b8e4e00be14688ffc93fe'

56 files changed, 1963 insertions, 2119 deletions

diff --git a/nixpkgs/pkgs/applications/networking/browsers/amfora/default.nix b/nixpkgs/pkgs/applications/networking/browsers/amfora/default.nix
new file mode 100644
index 000000000000..2772cb6d987d
--- /dev/null
+++ b/nixpkgs/pkgs/applications/networking/browsers/amfora/default.nix
@@ -0,0 +1,24 @@
+{ lib, fetchFromGitHub, buildGoModule }:
+
+buildGoModule rec {
+  pname = "amfora";
+  version = "1.5.0";
+
+  src = fetchFromGitHub {
+    owner = "makeworld-the-better-one";
+    repo = "amfora";
+    rev = "v${version}";
+    sha256 = "011h5xzwiafh3fdp9wil8n618p45ph9swa66lw6s82ijpiizz79s";
+  };
+
+  vendorSha256 = "10f3bh3r3jc1185r8r1ihg8rprdpl8qwg5b6wqwsda96ydkbpi2b";
+
+  doCheck = false;
+
+  meta = with lib; {
+    description = "A fancy terminal browser for the Gemini protocol";
+    homepage = "https://github.com/makeworld-the-better-one/amfora";
+    license = with licenses; [ gpl3 ];
+    maintainers = with maintainers; [ deifactor ];
+  };
+}
diff --git a/nixpkgs/pkgs/applications/networking/browsers/arora/default.nix b/nixpkgs/pkgs/applications/networking/browsers/arora/default.nix
deleted file mode 100644
index 88ad2c609bfa..000000000000
--- a/nixpkgs/pkgs/applications/networking/browsers/arora/default.nix
+++ /dev/null
@@ -1,26 +0,0 @@
-{ stdenv, fetchFromGitHub, qt4, qmake4Hook }:
-
-stdenv.mkDerivation rec {
-  pname = "arora";
-  version = "0.11.0";
-
-  src = fetchFromGitHub {
-    owner = "Arora";
-    repo = "arora";
-    rev = version;
-    sha256 = "0wmivgx3mw51rghi6q8fgivpkqc98z2mqmllf7c98ln0wd8rkf3c";
-  };
-
-  buildInputs = [ qt4 ];
-  nativeBuildInputs = [ qmake4Hook ];
-
-  enableParallelBuilding = true;
-
-  meta = with stdenv.lib; {
-    platforms = qt4.meta.platforms;
-    maintainers = [ maintainers.phreedom ];
-    description = "A cross-platform Qt4 Webkit browser";
-    homepage = "https://github.com/Arora/arora";
-    license = with licenses; [ gpl2 gpl3 ];
-  };
-}
diff --git a/nixpkgs/pkgs/applications/networking/browsers/asuka/default.nix b/nixpkgs/pkgs/applications/networking/browsers/asuka/default.nix
new file mode 100644
index 000000000000..89f4fda88a18
--- /dev/null
+++ b/nixpkgs/pkgs/applications/networking/browsers/asuka/default.nix
@@ -0,0 +1,26 @@
+{ stdenv, rustPlatform, fetchurl, pkgconfig, ncurses, openssl, Security }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "asuka";
+  version = "0.8.1";
+
+  src = fetchurl {
+    url = "https://git.sr.ht/~julienxx/${pname}/archive/${version}.tar.gz";
+    sha256 = "07i80qmdpwfdgwrk1gzs10wln91v23qjrsk0x134xf5mjnakxc06";
+  };
+
+  cargoSha256 = "0p0x4ch04kydg76bfal5zqzr9hvn5268wf3k2v9h7g8r4y8xqlhw";
+
+  nativeBuildInputs = [ pkgconfig ];
+
+  buildInputs = [ ncurses openssl ]
+    ++ stdenv.lib.optional stdenv.isDarwin Security;
+
+  meta = with stdenv.lib; {
+    description = "Gemini Project client written in Rust with NCurses";
+    homepage = "https://git.sr.ht/~julienxx/asuka";
+    license = licenses.mit;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ sikmir ];
+  };
+}
diff --git a/nixpkgs/pkgs/applications/networking/browsers/av-98/default.nix b/nixpkgs/pkgs/applications/networking/browsers/av-98/default.nix
new file mode 100644
index 000000000000..2184c8d699a4
--- /dev/null
+++ b/nixpkgs/pkgs/applications/networking/browsers/av-98/default.nix
@@ -0,0 +1,21 @@
+{ lib, python3Packages, fetchgit }:
+
+python3Packages.buildPythonApplication rec {
+  pname = "av-98";
+  version = "1.0.2dev";
+
+  src = fetchgit {
+    url = "https://tildegit.org/solderpunk/AV-98.git";
+    rev = "96cf8e13fe5714c8cdc754f51eef9f0293b8ca1f";
+    sha256 = "09iskh33hl5aaif763j1fmbz7yvf0yqsxycfd41scj7vbwdsbxl0";
+  };
+
+  propagatedBuildInputs = with python3Packages; [ ansiwrap cryptography ];
+
+  meta = with lib; {
+    homepage = "https://tildegit.org/solderpunk/AV-98";
+    description = "Experimental console client for the Gemini protocol";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ ehmry ];
+  };
+}
diff --git a/nixpkgs/pkgs/applications/networking/browsers/brave/default.nix b/nixpkgs/pkgs/applications/networking/browsers/brave/default.nix
index b3261431ccd3..ceceffb8da08 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/brave/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/brave/default.nix
@@ -86,11 +86,11 @@ in
 
 stdenv.mkDerivation rec {
   pname = "brave";
-  version = "1.8.95";
+  version = "1.12.112";
 
   src = fetchurl {
     url = "https://github.com/brave/brave-browser/releases/download/v${version}/brave-browser_${version}_amd64.deb";
-    sha256 = "1mlffg2v31b42gj354w5yv0yzlqc2f4f3cmdnddzkplw10jgw6f1";
+    sha256 = "0nvxmz1wrr6cfyhbnrfjsy9szbjmvjl6080pgkp25xa8rcql5gmb";
   };
 
   dontConfigure = true;
diff --git a/nixpkgs/pkgs/applications/networking/browsers/captive-browser/default.nix b/nixpkgs/pkgs/applications/networking/browsers/captive-browser/default.nix
index 3ce04842c6e4..b302be4e013c 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/captive-browser/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/captive-browser/default.nix
@@ -16,7 +16,6 @@ buildGoPackage rec {
     description = "Dedicated Chrome instance to log into captive portals without messing with DNS settings";
     homepage = "https://blog.filippo.io/captive-browser";
     license = licenses.mit;
-    platforms = platforms.all;
     maintainers = with maintainers; [ volth ];
   };
 }
diff --git a/nixpkgs/pkgs/applications/networking/browsers/castor/default.nix b/nixpkgs/pkgs/applications/networking/browsers/castor/default.nix
index 6209c3263bcd..c9ad213cf1d1 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/castor/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/castor/default.nix
@@ -13,15 +13,14 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "castor";
-  version = "0.8.14";
+  version = "0.8.16";
 
   src = fetchurl {
     url = "https://git.sr.ht/~julienxx/castor/archive/${version}.tar.gz";
-    sha256 = "1ykpmbimhfy3ys2hvv0mn8xiwxzdl43gpny1nc58i0gzv07ar8sc";
+    sha256 = "1qwsprwazkzcs70h219fhh5jj5s5hm1k120fn3pk4qivii4lyhah";
   };
 
-  cargoSha256 = "04w49wka1vkb295lk6fzd6c5rwhzrqkp26hd5d94rx7bhcjmmb9w";
-  verifyCargoDeps = true;
+  cargoSha256 = "0yn2kfiaz6d8wc8rdqli2pwffp5vb1v3zi7520ysrd5b6fc2csf2";
 
   nativeBuildInputs = [
     pkg-config
@@ -40,14 +39,12 @@ rustPlatform.buildRustPackage rec {
   postInstall = "make PREFIX=$out copy-data";
 
   # Sometimes tests fail when run in parallel
-  checkFlags = [ "--test-threads=1" ];
+  cargoParallelTestThreads = false;
 
   meta = with stdenv.lib; {
     description = "A graphical client for plain-text protocols written in Rust with GTK. It currently supports the Gemini, Gopher and Finger protocols";
     homepage = "https://sr.ht/~julienxx/Castor";
     license = licenses.mit;
-    platforms = platforms.all;
     maintainers = with maintainers; [ fgaz ];
   };
 }
-
diff --git a/nixpkgs/pkgs/applications/networking/browsers/chromium/common.nix b/nixpkgs/pkgs/applications/networking/browsers/chromium/common.nix
index 5dbafcee837e..a79a48fffcc5 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/chromium/common.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/chromium/common.nix
@@ -1,7 +1,7 @@
-{ stdenv, llvmPackages, gnChromium, ninja, which, nodejs, fetchpatch, gnutar
+{ stdenv, lib, llvmPackages, gnChromium, ninja, which, nodejs, fetchpatch, fetchurl
 
 # default dependencies
-, bzip2, flac, speex, libopus
+, gnutar, bzip2, flac, speex, libopus
 , libevent, expat, libjpeg, snappy
 , libpng, libcap
 , xdg_utils, yasm, nasm, minizip, libwebp
@@ -17,7 +17,7 @@
 , libXScrnSaver, libXcursor, libXtst, libGLU, libGL
 , protobuf, speechd, libXdamage, cups
 , ffmpeg_3, libxslt, libxml2, at-spi2-core
-, jre
+, jre8
 , pipewire_0_2
 
 # optional dependencies
@@ -39,6 +39,7 @@
 , cupsSupport ? true
 , pulseSupport ? false, libpulseaudio ? null
 
+, channel
 , upstream-info
 }:
 
@@ -49,6 +50,8 @@ with stdenv.lib;
 # see http://www.linuxfromscratch.org/blfs/view/cvs/xsoft/chromium.html
 
 let
+  jre = jre8; # TODO: remove override https://github.com/NixOS/nixpkgs/pull/89731
+
   # The additional attributes for creating derivations based on the chromium
   # source tree.
   extraAttrs = buildFun base;
@@ -81,7 +84,7 @@ let
     # "ffmpeg" # https://crbug.com/731766
     # "harfbuzz-ng" # in versions over 63 harfbuzz and freetype are being built together
                     # so we can't build with one from system and other from source
-  ] ++ optional (versionRange "0" "84") "yasm";
+  ];
 
   opusWithCustomModes = libopus.override {
     withCustomModes = true;
@@ -94,9 +97,10 @@ let
     xdg_utils minizip libwebp
     libusb1 re2 zlib
     ffmpeg_3 libxslt libxml2
+    nasm
     # harfbuzz # in versions over 63 harfbuzz and freetype are being built together
                # so we can't build with one from system and other from source
-  ] ++ (if (versionRange "0" "84") then [ yasm ] else [ nasm ]);
+  ];
 
   # build paths and release info
   packageName = extraAttrs.packageName or extraAttrs.name;
@@ -107,7 +111,7 @@ let
   versionRange = min-version: upto-version:
     let inherit (upstream-info) version;
         result = versionAtLeast version min-version && versionOlder version upto-version;
-        stable-version = (import ./upstream-info.nix).stable.version;
+        stable-version = (importJSON ./upstream-info.json).stable.version;
     in if versionAtLeast stable-version upto-version
        then warn "chromium: stable version ${stable-version} is newer than a patchset bounded at ${upto-version}. You can safely delete it."
             result
@@ -115,17 +119,20 @@ let
 
   base = rec {
     name = "${packageName}-unwrapped-${version}";
-    inherit (upstream-info) channel version;
-    inherit packageName buildType buildPath;
+    inherit (upstream-info) version;
+    inherit channel packageName buildType buildPath;
 
-    src = upstream-info.main;
+    src = fetchurl {
+      url = "https://commondatastorage.googleapis.com/chromium-browser-official/chromium-${version}.tar.xz";
+      inherit (upstream-info) sha256;
+    };
 
     nativeBuildInputs = [
       ninja which python2Packages.python perl pkgconfig
       python2Packages.ply python2Packages.jinja2 nodejs
-      gnutar
-    ] ++ optional (versionAtLeast version "83") python2Packages.setuptools
-      ++ optional (versionAtLeast version "84") (xorg.xcbproto.override { python = python2Packages.python; });
+      gnutar python2Packages.setuptools
+      (xorg.xcbproto.override { python = python2Packages.python; })
+    ];
 
     buildInputs = defaultDependencies ++ [
       nspr nss systemd
@@ -143,8 +150,9 @@ let
       ++ optional pulseSupport libpulseaudio
       ++ optionals useOzone [ libdrm wayland mesa_drivers libxkbcommon ];
 
-    patches = [
+    patches = optionals (versionRange "68" "86") [
       ./patches/nix_plugin_paths_68.patch
+    ] ++ [
       ./patches/remove-webp-include-69.patch
       ./patches/no-build-timestamps.patch
       ./patches/widevine-79.patch
@@ -158,12 +166,18 @@ let
       #
       # ++ optionals (channel == "dev") [ ( githubPatch "<patch>" "0000000000000000000000000000000000000000000000000000000000000000" ) ]
       # ++ optional (versionRange "68" "72") ( githubPatch "<patch>" "0000000000000000000000000000000000000000000000000000000000000000" )
-    ] ++ optionals (useVaapi) [ # Improvements for the VA-API build:
+    ] ++ optionals (useVaapi && versionRange "68" "86") [ # Improvements for the VA-API build:
       ./patches/enable-vdpau-support-for-nvidia.patch # https://aur.archlinux.org/cgit/aur.git/tree/vdpau-support.patch?h=chromium-vaapi
       ./patches/enable-video-acceleration-on-linux.patch # Can be controlled at runtime (i.e. without rebuilding Chromium)
     ];
 
-    postPatch = ''
+    postPatch = optionalString (!versionRange "0" "86") ''
+      # Required for patchShebangs (unsupported interpreter directive, basename: invalid option -- '*', etc.):
+      substituteInPlace native_client/SConstruct \
+        --replace "#! -*- python -*-" ""
+      substituteInPlace third_party/harfbuzz-ng/src/src/update-unicode-tables.make \
+        --replace "/usr/bin/env -S make -f" "/usr/bin/make -f"
+    '' + ''
       # We want to be able to specify where the sandbox is via CHROME_DEVEL_SANDBOX
       substituteInPlace sandbox/linux/suid/client/setuid_sandbox_host.cc \
         --replace \
@@ -181,10 +195,15 @@ let
           '/usr/share/locale/' \
           '${glibc}/share/locale/'
 
+      substituteInPlace ui/gfx/x/BUILD.gn \
+        --replace \
+          '/usr/share/xcb' \
+          '${xorg.xcbproto}/share/xcb/'
+
       sed -i -e 's@"\(#!\)\?.*xdg-@"\1${xdg_utils}/bin/xdg-@' \
         chrome/browser/shell_integration_linux.cc
 
-      sed -i -e '/lib_loader.*Load/s!"\(libudev\.so\)!"${systemd.lib}/lib/\1!' \
+      sed -i -e '/lib_loader.*Load/s!"\(libudev\.so\)!"${lib.getLib systemd}/lib/\1!' \
         device/udev_linux/udev?_loader.cc
 
       sed -i -e '/libpci_loader.*Load/s!"\(libpci\.so\)!"${pciutils}/lib/\1!' \
@@ -226,16 +245,9 @@ let
       ln -s ${stdenv.cc}/bin/clang              third_party/llvm-build/Release+Asserts/bin/clang
       ln -s ${stdenv.cc}/bin/clang++            third_party/llvm-build/Release+Asserts/bin/clang++
       ln -s ${llvmPackages.llvm}/bin/llvm-ar    third_party/llvm-build/Release+Asserts/bin/llvm-ar
-    '' + optionalString (versionAtLeast version "84") ''
-      substituteInPlace ui/gfx/x/BUILD.gn \
-        --replace \
-          '/usr/share/xcb' \
-          '${xorg.xcbproto}/share/xcb/'
     '';
 
-    gnFlags = mkGnFlags (optionalAttrs (versionRange "0" "84") {
-      linux_use_bundled_binutils = false;
-    } // {
+    gnFlags = mkGnFlags ({
       use_lld = false;
       use_gold = true;
       gold_path = "${stdenv.cc}/bin";
@@ -338,9 +350,11 @@ let
       origRpath="$(patchelf --print-rpath "$chromiumBinary")"
       patchelf --set-rpath "${libGL}/lib:$origRpath" "$chromiumBinary"
     '';
+
+    passthru.updateScript = ./update.py;
   };
 
 # Remove some extraAttrs we supplied to the base attributes already.
 in stdenv.mkDerivation (base // removeAttrs extraAttrs [
   "name" "gnFlags" "buildTargets"
-])
+] // { passthru = base.passthru // (extraAttrs.passthru or {}); })
diff --git a/nixpkgs/pkgs/applications/networking/browsers/chromium/default.nix b/nixpkgs/pkgs/applications/networking/browsers/chromium/default.nix
index 2fea779a8f83..7f5378e2b199 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/chromium/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/chromium/default.nix
@@ -1,9 +1,9 @@
-{ newScope, config, stdenv, llvmPackages_9, llvmPackages_10
-, makeWrapper, ed
+{ newScope, config, stdenv, fetchurl, makeWrapper
+, llvmPackages_10, llvmPackages_11, ed, gnugrep, coreutils, xdg_utils
 , glib, gtk3, gnome3, gsettings-desktop-schemas, gn, fetchgit
 , libva ? null
 , pipewire_0_2
-, gcc, nspr, nss, patchelfUnstable, runCommand
+, gcc, nspr, nss, runCommand
 , lib
 
 # package customization
@@ -28,29 +28,42 @@ let
 
   callPackage = newScope chromium;
 
-  chromium = {
+  chromium = rec {
     inherit stdenv llvmPackages;
 
-    upstream-info = (callPackage ./update.nix {}).getChannel channel;
+    upstream-info = (lib.importJSON ./upstream-info.json).${channel};
 
     mkChromiumDerivation = callPackage ./common.nix ({
-      inherit gnome gnomeSupport gnomeKeyringSupport proprietaryCodecs cupsSupport pulseSupport useOzone;
+      inherit channel gnome gnomeSupport gnomeKeyringSupport proprietaryCodecs
+              cupsSupport pulseSupport useOzone;
       # TODO: Remove after we can update gn for the stable channel (backward incompatible changes):
       gnChromium = gn.overrideAttrs (oldAttrs: {
-        version = "2020-03-23";
+        version = "2020-05-19";
         src = fetchgit {
           url = "https://gn.googlesource.com/gn";
-          rev = "5ed3c9cc67b090d5e311e4bd2aba072173e82db9";
-          sha256 = "00y2d35wvqmx9glaqhfb62wdgbfpwr77v0934nnvh9ks71vnsjqy";
+          rev = "d0a6f072070988e7b038496c4e7d6c562b649732";
+          sha256 = "0197msabskgfbxvhzq73gc3wlr3n9cr4bzrhy5z5irbvy05lxk17";
         };
       });
-    } // lib.optionalAttrs (channel == "dev") {
+    } // lib.optionalAttrs (lib.versionAtLeast upstream-info.version "86") {
+      llvmPackages = llvmPackages_11;
       gnChromium = gn.overrideAttrs (oldAttrs: {
-        version = "2020-05-19";
+        version = "2020-07-20";
         src = fetchgit {
           url = "https://gn.googlesource.com/gn";
-          rev = "d0a6f072070988e7b038496c4e7d6c562b649732";
-          sha256 = "0197msabskgfbxvhzq73gc3wlr3n9cr4bzrhy5z5irbvy05lxk17";
+          rev = "3028c6a426a4aaf6da91c4ebafe716ae370225fe";
+          sha256 = "0h3wf4152zdvrbb0jbj49q6814lfl3rcy5mj8b2pl9s0ahvkbc6q";
+        };
+      });
+    } // lib.optionalAttrs (lib.versionAtLeast upstream-info.version "87") {
+      llvmPackages = llvmPackages_11;
+      useOzone = true; # YAY: https://chromium-review.googlesource.com/c/chromium/src/+/2382834 \o/
+      gnChromium = gn.overrideAttrs (oldAttrs: {
+        version = "2020-08-17";
+        src = fetchgit {
+          url = "https://gn.googlesource.com/gn";
+          rev = "6f13aaac55a977e1948910942675c69f2b4f7a94";
+          sha256 = "01hpma1sllpdx09mvr4d6073sg6zmk6iv44kd3r28khymcj4s251";
         };
       });
     });
@@ -62,24 +75,33 @@ let
     };
   };
 
+  pkgSuffix = if channel == "dev" then "unstable" else channel;
+  pkgName = "google-chrome-${pkgSuffix}";
+  chromeSrc = fetchurl {
+    urls = map (repo: "${repo}/${pkgName}/${pkgName}_${version}-1_amd64.deb") [
+      "https://dl.google.com/linux/chrome/deb/pool/main/g"
+      "http://95.31.35.30/chrome/pool/main/g"
+      "http://mirror.pcbeta.com/google/chrome/deb/pool/main/g"
+      "http://repo.fdzh.org/chrome/deb/pool/main/g"
+    ];
+    sha256 = chromium.upstream-info.sha256bin64;
+  };
+
   mkrpath = p: "${lib.makeSearchPathOutput "lib" "lib64" p}:${lib.makeLibraryPath p}";
-  widevineCdm = let upstream-info = chromium.upstream-info; in stdenv.mkDerivation {
+  widevineCdm = stdenv.mkDerivation {
     name = "chrome-widevine-cdm";
 
-    # The .deb file for Google Chrome
-    src = upstream-info.binary;
-
-    nativeBuildInputs = [ patchelfUnstable ];
+    src = chromeSrc;
 
     phases = [ "unpackPhase" "patchPhase" "installPhase" "checkPhase" ];
 
     unpackCmd = let
       widevineCdmPath =
-        if upstream-info.channel == "stable" then
+        if channel == "stable" then
           "./opt/google/chrome/WidevineCdm"
-        else if upstream-info.channel == "beta" then
+        else if channel == "beta" then
           "./opt/google/chrome-beta/WidevineCdm"
-        else if upstream-info.channel == "dev" then
+        else if channel == "dev" then
           "./opt/google/chrome-unstable/WidevineCdm"
         else
           throw "Unknown chromium channel.";
@@ -189,10 +211,13 @@ in stdenv.mkDerivation {
   '' + ''
 
     # libredirect causes chromium to deadlock on startup
-    export LD_PRELOAD="\$(echo -n "\$LD_PRELOAD" | tr ':' '\n' | grep -v /lib/libredirect\\\\.so$ | tr '\n' ':')"
+    export LD_PRELOAD="\$(echo -n "\$LD_PRELOAD" | ${coreutils}/bin/tr ':' '\n' | ${gnugrep}/bin/grep -v /lib/libredirect\\\\.so$ | ${coreutils}/bin/tr '\n' ':')"
 
     export XDG_DATA_DIRS=$XDG_ICON_DIRS:$GSETTINGS_SCHEMAS_PATH\''${XDG_DATA_DIRS:+:}\$XDG_DATA_DIRS
 
+    # Mainly for xdg-open but also other xdg-* tools:
+    export PATH="${xdg_utils}/bin\''${PATH:+:}\$PATH"
+
     .
     w
     EOF
@@ -212,6 +237,7 @@ in stdenv.mkDerivation {
   passthru = {
     inherit (chromium) upstream-info browser;
     mkDerivation = chromium.mkChromiumDerivation;
-    inherit sandboxExecutableName;
+    inherit chromeSrc sandboxExecutableName;
+    updateScript = ./update.py;
   };
 }
diff --git a/nixpkgs/pkgs/applications/networking/browsers/chromium/patches/enable-vdpau-support-for-nvidia.patch b/nixpkgs/pkgs/applications/networking/browsers/chromium/patches/enable-vdpau-support-for-nvidia.patch
index b5372d1a2556..8d879de7bfd8 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/chromium/patches/enable-vdpau-support-for-nvidia.patch
+++ b/nixpkgs/pkgs/applications/networking/browsers/chromium/patches/enable-vdpau-support-for-nvidia.patch
@@ -31,15 +31,6 @@
    // TODO(crbug.com/912295): Enable a better BufferAllocationMode for IMPORT
    // |output_mode_| as well.
    if (output_mode_ == VideoDecodeAccelerator::Config::OutputMode::IMPORT)
-@@ -1105,7 +1113,7 @@ VaapiVideoDecodeAccelerator::DecideBufferAllocationMode() {
-   // depends on the bitstream and sometimes it's not enough to cover the amount
-   // of frames needed by the client pipeline (see b/133733739).
-   // TODO(crbug.com/911754): Enable for VP9 Profile 2.
--  if (IsGeminiLakeOrLater() &&
-+  if (false && IsGeminiLakeOrLater() &&
-       (profile_ == VP9PROFILE_PROFILE0 || profile_ == VP8PROFILE_ANY)) {
-     // Add one to the reference frames for the one being currently egressed, and
-     // an extra allocation for both |client_| and |decoder_|, see
 --- a/media/gpu/vaapi/vaapi_video_decode_accelerator.h
 +++ b/media/gpu/vaapi/vaapi_video_decode_accelerator.h
 @@ -204,6 +204,7 @@ class MEDIA_GPU_EXPORT VaapiVideoDecodeAccelerator
diff --git a/nixpkgs/pkgs/applications/networking/browsers/chromium/plugins.nix b/nixpkgs/pkgs/applications/networking/browsers/chromium/plugins.nix
index 707bf2056f0e..530a4c8a4aea 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/chromium/plugins.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/chromium/plugins.nix
@@ -4,7 +4,6 @@
 , nspr
 , nss
 , fetchzip
-, patchelfUnstable
 , enablePepperFlash ? false
 
 , upstream-info
@@ -45,11 +44,11 @@ let
 
   flash = stdenv.mkDerivation rec {
     pname = "flashplayer-ppapi";
-    version = "32.0.0.387";
+    version = "32.0.0.433";
 
     src = fetchzip {
       url = "https://fpdownload.adobe.com/pub/flashplayer/pdc/${version}/flash_player_ppapi_linux.x86_64.tar.gz";
-      sha256 = "1igs8nh3zpfcps97ahzh7kknx3rddh6yliig8lxf6jskbpf0qgzf";
+      sha256 = "1wfwnmai6wnwi6cfxwqix6n471jjyl6nc7p67sa7cfqwg16b53kx";
       stripRoot = false;
     };
 
diff --git a/nixpkgs/pkgs/applications/networking/browsers/chromium/update.nix b/nixpkgs/pkgs/applications/networking/browsers/chromium/update.nix
deleted file mode 100644
index 6dff17c69ddb..000000000000
--- a/nixpkgs/pkgs/applications/networking/browsers/chromium/update.nix
+++ /dev/null
@@ -1,271 +0,0 @@
-let maybePkgs = import ../../../../../. {}; in
-
-{ stdenv     ? maybePkgs.stdenv
-, runCommand ? maybePkgs.runCommand
-, fetchurl   ? maybePkgs.fetchurl
-, writeText  ? maybePkgs.writeText
-, curl       ? maybePkgs.curl
-, cacert     ? maybePkgs.cacert
-, nix        ? maybePkgs.nix
-}:
-
-let
-  inherit (stdenv) lib;
-
-  sources = if builtins.pathExists ./upstream-info.nix
-            then import ./upstream-info.nix
-            else {};
-
-  bucketURL = "https://commondatastorage.googleapis.com/"
-            + "chromium-browser-official";
-
-  mkVerURL = version: "${bucketURL}/chromium-${version}.tar.xz";
-
-  debURL = "https://dl.google.com/linux/chrome/deb/pool/main/g";
-
-  getDebURL = channelName: version: arch: mirror: let
-    packageSuffix = if channelName == "dev" then "unstable" else channelName;
-    packageName = "google-chrome-${packageSuffix}";
-  in "${mirror}/${packageName}/${packageName}_${version}-1_${arch}.deb";
-
-  # Untrusted mirrors, don't try to update from them!
-  debMirrors = [
-    "http://95.31.35.30/chrome/pool/main/g"
-    "http://mirror.pcbeta.com/google/chrome/deb/pool/main/g"
-    "http://repo.fdzh.org/chrome/deb/pool/main/g"
-  ];
-
-in {
-  getChannel = channel: let
-    chanAttrs = builtins.getAttr channel sources;
-  in {
-    inherit channel;
-    inherit (chanAttrs) version;
-
-    main = fetchurl {
-      url = mkVerURL chanAttrs.version;
-      inherit (chanAttrs) sha256;
-    };
-
-    binary = fetchurl (let
-      mkUrls = arch: let
-        mkURLForMirror = getDebURL channel chanAttrs.version arch;
-      in map mkURLForMirror ([ debURL ] ++ debMirrors);
-    in if stdenv.is64bit && chanAttrs ? sha256bin64 then {
-      urls = mkUrls "amd64";
-      sha256 = chanAttrs.sha256bin64;
-    } else if !stdenv.is64bit && chanAttrs ? sha256bin32 then {
-      urls = mkUrls "i386";
-      sha256 = chanAttrs.sha256bin32;
-    } else throw "No Chrome plugins are available for your architecture.");
-  };
-
-  update = let
-    csv2nix = name: src: import (runCommand "${name}.nix" {
-      src = builtins.fetchurl src;
-    } ''
-      esc() { echo "\"$(echo "$1" | sed -e 's/"\\$/\\&/')\""; } # ohai emacs "
-      IFS=, read -r -a headings <<< "$(head -n1 "$src")"
-      echo "[" > "$out"
-      tail -n +2 "$src" | while IFS=, read -r -a line; do
-        echo "  {"
-        for idx in "''${!headings[@]}"; do
-          echo "    $(esc "''${headings[idx]}") = $(esc ''${line[$idx]});"
-        done
-        echo "  }"
-      done >> "$out"
-      echo "]" >> "$out"
-    '');
-
-    channels = lib.fold lib.recursiveUpdate {} (map (attrs: {
-      ${attrs.os}.${attrs.channel} = attrs // {
-        history = let
-          drvName = "omahaproxy-${attrs.os}.${attrs.channel}-info";
-          history = csv2nix drvName "http://omahaproxy.appspot.com/history";
-          cond = h: attrs.os == h.os && attrs.channel == h.channel
-                 && lib.versionOlder h.version attrs.current_version;
-          # Note that this is a *reverse* sort!
-          sorter = a: b: lib.versionOlder b.version a.version;
-          sorted = builtins.sort sorter (lib.filter cond history);
-        in map (lib.flip removeAttrs ["os" "channel"]) sorted;
-        version = attrs.current_version;
-      };
-    }) (csv2nix "omahaproxy-info" "http://omahaproxy.appspot.com/all?csv=1"));
-
-    /*
-      XXX: This is essentially the same as:
-
-        builtins.tryEval (builtins.fetchurl url)
-
-      ... except that tryEval on fetchurl isn't working and doesn't catch
-      errors for fetchurl, so we go for a different approach.
-
-      We only have fixed-output derivations that can have networking access, so
-      we abuse SHA1 and its weaknesses to forge a fixed-output derivation which
-      is not so fixed, because it emits different contents that have the same
-      SHA1 hash.
-
-      Using this method, we can distinguish whether the URL is available or
-      whether it's not based on the actual content.
-
-      So let's use tryEval as soon as it's working with fetchurl in Nix.
-    */
-    tryFetch = url: let
-      # SHA1 hash collisions from https://shattered.io/static/shattered.pdf:
-      collisions = runCommand "sha1-collisions" {
-        outputs = [ "out" "good" "bad" ];
-        base64 = ''
-          QlpoOTFBWSZTWbL5V5MABl///////9Pv///v////+/////HDdK739/677r+W3/75rUNr4
-          Aa/AAAAAAACgEVTRtQDQAaA0AAyGmjTQGmgAAANGgAaMIAYgGgAABo0AAAAAADQAIAGQ0
-          MgDIGmjQA0DRk0AaMQ0DQAGIANGgAAGRoNGQMRpo0GIGgBoGQAAIAGQ0MgDIGmjQA0DRk
-          0AaMQ0DQAGIANGgAAGRoNGQMRpo0GIGgBoGQAAIAGQ0MgDIGmjQA0DRk0AaMQ0DQAGIAN
-          GgAAGRoNGQMRpo0GIGgBoGQAAIAGQ0MgDIGmjQA0DRk0AaMQ0DQAGIANGgAAGRoNGQMRp
-          o0GIGgBoGQAABVTUExEZATTICnkxNR+p6E09JppoyamjGhkm0ammIyaekbUejU9JiGnqZ
-          qaaDxJ6m0JkZMQ2oaYmJ6gxqMyE2TUzJqfItligtJQJfYbl9Zy9QjQuB5mHQRdSSXCCTH
-          MgmSDYmdOoOmLTBJWiCpOhMQYpQlOYpJjn+wQUJSTCEpOMekaFaaNB6glCC0hKEJdHr6B
-          mUIHeph7YxS8WJYyGwgWnMTFJBDFSxSCCYljiEk7HZgJzJVDHJxMgY6tCEIIWgsKSlSZ0
-          S8GckoIIF+551Ro4RCw260VCEpWJSlpWx/PMrLyVoyhWMAneDilBcUIeZ1j6NCkus0qUC
-          Wnahhk5KT4GpWMh3vm2nJWjTL9Qg+84iExBJhNKpbV9tvEN265t3fu/TKkt4rXFTsV+Nc
-          upJXhOhOhJMQQktrqt4K8mSh9M2DAO2X7uXGVL9YQxUtzQmS7uBndL7M6R7vX869VxqPu
-          renSuHYNq1yTXOfNWLwgvKlRlFYqLCs6OChDp0HuTzCWscmGudLyqUuwVGG75nmyZhKpJ
-          yOE/pOZyHyrZxGM51DYIN+Jc8yVJgAykxKCEtW55MlfudLg3KG6TtozalunXrroSxUpVL
-          StWrWLFihMnVpkyZOrQnUrE6xq1CGtJlbAb5ShMbV1CZgqlKC0wCFCpMmUKSEkvFLaZC8
-          wHOCVAlvzaJQ/T+XLb5Dh5TNM67p6KZ4e4ZSGyVENx2O27LzrTIteAreTkMZpW95GS0CE
-          JYhMc4nToTJ0wQhKEyddaLb/rTqmgJSlkpnALxMhlNmuKEpkEkqhKUoEq3SoKUpIQcDgW
-          lC0rYahMmLuPQ0fHqZaF4v2W8IoJ2EhMhYmSw7qql27WJS+G4rUplToFi2rSv0NSrVvDU
-          pltQ8Lv6F8pXyxmFBSxiLSxglNC4uvXVKmAtusXy4YXGX1ixedEvXF1aX6t8adYnYCpC6
-          rW1ZzdZYlCCxKEv8vpbqdSsXl8v1jCQv0KEPxPTa/5rtWSF1dSgg4z4KjfIMNtgwWoWLE
-          sRhKxsSA9ji7V5LRPwtumeQ8V57UtFSPIUmtQdOQfseI2Ly1DMtk4Jl8n927w34zrWG6P
-          i4jzC82js/46Rt2IZoadWxOtMInS2xYmcu8mOw9PLYxQ4bdfFw3ZPf/g2pzSwZDhGrZAl
-          9lqky0W+yeanadC037xk496t0Dq3ctfmqmjgie8ln9k6Q0K1krb3dK9el4Xsu44LpGcen
-          r2eQZ1s1IhOhnE56WnXf0BLWn9Xz15fMkzi4kpVxiTKGEpffErEEMvEeMZhUl6yD1SdeJ
-          YbxzGNM3ak2TAaglLZlDCVnoM6wV5DRrycwF8Zh/fRsdmhkMfAO1duwknrsFwrzePWeMw
-          l107DWzymxdQwiSXx/lncnn75jL9mUzw2bUDqj20LTgtawxK2SlQg1CCZDQMgSpEqLjRM
-          sykM9zbSIUqil0zNk7Nu+b5J0DKZlhl9CtpGKgX5uyp0idoJ3we9bSrY7PupnUL5eWiDp
-          V5mmnNUhOnYi8xyClkLbNmAXyoWk7GaVrM2umkbpqHDzDymiKjetgzTocWNsJ2E0zPcfh
-          t46J4ipaXGCfF7fuO0a70c82bvqo3HceIcRlshgu73seO8BqlLIap2z5jTOY+T2ucCnBt
-          Atva3aHdchJg9AJ5YdKHz7LoA3VKmeqxAlFyEnQLBxB2PAhAZ8KvmuR6ELXws1Qr13Nd1
-          i4nsp189jqvaNzt+0nEnIaniuP1+/UOZdyfoZh57ku8sYHKdvfW/jYSUks+0rK+qtte+p
-          y8jWL9cOJ0fV8rrH/t+85/p1z2N67p/ZsZ3JmdyliL7lrNxZUlx0MVIl6PxXOUuGOeArW
-          3vuEvJ2beoh7SGyZKHKbR2bBWO1d49JDIcVM6lQtu9UO8ec8pOnXmkcponBPLNM2CwZ9k
-          NC/4ct6rQkPkQHMcV/8XckU4UJCy+VeTA==
-        '';
-      } ''
-        echo "$base64" | base64 -d | tar xj
-        mv good.pdf "$good"
-        mv bad.pdf "$bad"
-        touch "$out"
-      '';
-
-      cacheVal = let
-        urlHash = builtins.hashString "sha256" url;
-        timeSlice = builtins.currentTime / 600;
-      in "${urlHash}-${toString timeSlice}";
-
-    in {
-      success = import (runCommand "check-success" {
-        result = stdenv.mkDerivation {
-          name = "tryfetch-${cacheVal}";
-          inherit url;
-
-          outputHash = "d00bbe65d80f6d53d5c15da7c6b4f0a655c5a86a";
-          outputHashMode = "flat";
-          outputHashAlgo = "sha1";
-
-          nativeBuildInputs = [ curl ];
-          preferLocalBuild = true;
-
-          inherit (collisions) good bad;
-
-          buildCommand = ''
-            if SSL_CERT_FILE="${cacert}/etc/ssl/certs/ca-bundle.crt" \
-               curl -s -L -f -I "$url" > /dev/null; then
-              cp "$good" "$out"
-            else
-              cp "$bad" "$out"
-            fi
-          '';
-
-          impureEnvVars = lib.fetchers.proxyImpureEnvVars;
-        };
-        inherit (collisions) good;
-      } ''
-        if cmp -s "$result" "$good"; then
-          echo true > "$out"
-        else
-          echo false > "$out"
-        fi
-      '');
-      value = builtins.fetchurl url;
-    };
-
-    fetchLatest = channel: let
-      result = tryFetch (mkVerURL channel.version);
-    in if result.success then result.value else fetchLatest (channel // {
-      version = if channel.history != []
-                then (lib.head channel.history).version
-                else throw "Unfortunately there's no older version than " +
-                           "${channel.version} available for channel " +
-                           "${channel.channel} on ${channel.os}.";
-      history = lib.tail channel.history;
-    });
-
-    getHash = path: import (runCommand "gethash.nix" {
-      inherit path;
-      nativeBuildInputs = [ nix ];
-    } ''
-      sha256="$(nix-hash --flat --base32 --type sha256 "$path")"
-      echo "\"$sha256\"" > "$out"
-    '');
-
-    isLatest = channel: version: let
-      ourVersion = sources.${channel}.version or null;
-    in if ourVersion == null then false
-       else lib.versionOlder version sources.${channel}.version
-         || version == sources.${channel}.version;
-
-    # We only support GNU/Linux right now.
-    linuxChannels = let
-      genLatest = channelName: channel: let
-        newUpstream = {
-          inherit (channel) version;
-          sha256 = getHash (fetchLatest channel);
-        };
-        keepOld = let
-          oldChannel = sources.${channelName};
-        in {
-          inherit (oldChannel) version sha256;
-        } // lib.optionalAttrs (oldChannel ? sha256bin32) {
-          inherit (oldChannel) sha256bin32;
-        } // lib.optionalAttrs (oldChannel ? sha256bin64) {
-          inherit (oldChannel) sha256bin64;
-        };
-      in if isLatest channelName channel.version then keepOld else newUpstream;
-    in lib.mapAttrs genLatest channels.linux;
-
-    getLinuxFlash = channelName: channel: let
-      inherit (channel) version;
-      fetchArch = arch: tryFetch (getDebURL channelName version arch debURL);
-      packages = lib.genAttrs ["i386" "amd64"] fetchArch;
-      isNew = arch: attr: !(builtins.hasAttr attr channel)
-                       && packages.${arch}.success;
-    in channel // lib.optionalAttrs (isNew "i386" "sha256bin32") {
-      sha256bin32 = getHash (packages.i386.value);
-    } // lib.optionalAttrs (isNew "amd64" "sha256bin64") {
-      sha256bin64 = getHash (packages.amd64.value);
-    };
-
-    newChannels = lib.mapAttrs getLinuxFlash linuxChannels;
-
-    dumpAttrs = indent: attrs: let
-      mkVal = val: if lib.isAttrs val then dumpAttrs (indent + 1) val
-                   else "\"${lib.escape ["$" "\\" "\""] (toString val)}\"";
-      mkIndent = level: lib.concatStrings (builtins.genList (_: "  ") level);
-      mkAttr = key: val: "${mkIndent (indent + 1)}${key} = ${mkVal val};\n";
-      attrLines = lib.mapAttrsToList mkAttr attrs;
-    in "{\n" + (lib.concatStrings attrLines) + (mkIndent indent) + "}";
-  in writeText "chromium-new-upstream-info.nix" ''
-    # This file is autogenerated from update.sh in the same directory.
-    ${dumpAttrs 0 newChannels}
-  '';
-}
diff --git a/nixpkgs/pkgs/applications/networking/browsers/chromium/update.py b/nixpkgs/pkgs/applications/networking/browsers/chromium/update.py
new file mode 100755
index 000000000000..bfc7f0d2478c
--- /dev/null
+++ b/nixpkgs/pkgs/applications/networking/browsers/chromium/update.py
@@ -0,0 +1,77 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i python -p python3 nix
+
+import csv
+import json
+import subprocess
+import sys
+
+from codecs import iterdecode
+from collections import OrderedDict
+from os.path import abspath, dirname
+from urllib.request import urlopen
+
+HISTORY_URL = 'https://omahaproxy.appspot.com/history?os=linux'
+DEB_URL = 'https://dl.google.com/linux/chrome/deb/pool/main/g'
+BUCKET_URL = 'https://commondatastorage.googleapis.com/chromium-browser-official'
+
+JSON_PATH = dirname(abspath(__file__)) + '/upstream-info.json'
+
+def load_json(path):
+    with open(path, 'r') as f:
+        return json.load(f)
+
+def nix_prefetch_url(url, algo='sha256'):
+    print(f'nix-prefetch-url {url}')
+    out = subprocess.check_output(['nix-prefetch-url', '--type', algo, url])
+    return out.decode('utf-8').rstrip()
+
+channels = {}
+last_channels = load_json(JSON_PATH)
+
+print(f'GET {HISTORY_URL}', file=sys.stderr)
+with urlopen(HISTORY_URL) as resp:
+    builds = csv.DictReader(iterdecode(resp, 'utf-8'))
+    for build in builds:
+        channel_name = build['channel']
+
+        # If we've already found a newer build for this channel, we're
+        # no longer interested in it.
+        if channel_name in channels:
+            continue
+
+        # If we're back at the last build we used, we don't need to
+        # keep going -- there's no new version available, and we can
+        # just reuse the info from last time.
+        if build['version'] == last_channels[channel_name]['version']:
+            channels[channel_name] = last_channels[channel_name]
+            continue
+
+        channel = {'version': build['version']}
+        suffix = 'unstable' if channel_name == 'dev' else channel_name
+
+        try:
+            channel['sha256'] = nix_prefetch_url(f'{BUCKET_URL}/chromium-{build["version"]}.tar.xz')
+            channel['sha256bin64'] = nix_prefetch_url(f'{DEB_URL}/google-chrome-{suffix}/google-chrome-{suffix}_{build["version"]}-1_amd64.deb')
+        except subprocess.CalledProcessError:
+            # This build isn't actually available yet.  Continue to
+            # the next one.
+            continue
+
+        channels[channel_name] = channel
+
+with open(JSON_PATH, 'w') as out:
+    def get_channel_key(item):
+        channel_name = item[0]
+        if channel_name == 'stable':
+            return 0
+        elif channel_name == 'beta':
+            return 1
+        elif channel_name == 'dev':
+            return 2
+        else:
+            print(f'Error: Unexpected channel: {channel_name}', file=sys.stderr)
+            sys.exit(1)
+    sorted_channels = OrderedDict(sorted(channels.items(), key=get_channel_key))
+    json.dump(sorted_channels, out, indent=2)
+    out.write('\n')
diff --git a/nixpkgs/pkgs/applications/networking/browsers/chromium/update.sh b/nixpkgs/pkgs/applications/networking/browsers/chromium/update.sh
deleted file mode 100755
index ea67a62c107a..000000000000
--- a/nixpkgs/pkgs/applications/networking/browsers/chromium/update.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/sh -e
-cd "$(dirname "$0")"
-sp="$(nix-build --builders "" -Q --no-out-link update.nix -A update)"
-cat "$sp" > upstream-info.nix
diff --git a/nixpkgs/pkgs/applications/networking/browsers/chromium/upstream-info.json b/nixpkgs/pkgs/applications/networking/browsers/chromium/upstream-info.json
new file mode 100644
index 000000000000..ec8fc3407d25
--- /dev/null
+++ b/nixpkgs/pkgs/applications/networking/browsers/chromium/upstream-info.json
@@ -0,0 +1,17 @@
+{
+  "stable": {
+    "version": "85.0.4183.121",
+    "sha256": "0a1xn39kmvyfpal6pgnylpy30z0322p3v7sx6vxi0r2naiz58670",
+    "sha256bin64": "08vqf1v91703aik47344bl409rsl4myar9bsd2lsvzqncncwsaca"
+  },
+  "beta": {
+    "version": "86.0.4240.42",
+    "sha256": "06cfhiym9xmz2q86v6b6xcicrrp2pmr7karavylzz4fqvwd2v6fa",
+    "sha256bin64": "1z5zmdc2i31iimps7p5z43vv4qi83c8ljb7x68zc1rvf8x62p7xj"
+  },
+  "dev": {
+    "version": "87.0.4263.3",
+    "sha256": "1ybfrlm4417lpbg5qcwhq5p6nnxrw68wzyy5zvb1sg1ma8s9hhkk",
+    "sha256bin64": "1f7a272kalglmdwmrrzb4iw3crvvpv3mhxca5jh75qpldn4gby6m"
+  }
+}
diff --git a/nixpkgs/pkgs/applications/networking/browsers/chromium/upstream-info.nix b/nixpkgs/pkgs/applications/networking/browsers/chromium/upstream-info.nix
deleted file mode 100644
index 65dda4931422..000000000000
--- a/nixpkgs/pkgs/applications/networking/browsers/chromium/upstream-info.nix
+++ /dev/null
@@ -1,18 +0,0 @@
-# This file is autogenerated from update.sh in the same directory.
-{
-  beta = {
-    sha256 = "0wsqxq8xxcafmjxsjkagysrcbr6qryiyqn6m3ysp256aam7z3d88";
-    sha256bin64 = "03jff1sdv05hbn37cw0ij0r4rils0q11lnnhxg52igg633jzwyc1";
-    version = "84.0.4147.45";
-  };
-  dev = {
-    sha256 = "16rmzyzjmxmhmr5yqbzqbwf5sq94iqcwlm04fkafiwcycd17nyhs";
-    sha256bin64 = "0wjmc1wdmwiq9d1f5gk4c9jkj1p116kaz9nb0hvhjf01iv07xl2m";
-    version = "85.0.4168.2";
-  };
-  stable = {
-    sha256 = "0bvy17ymlih87n4ymnzvyn0m34ghmr1yasvy7gxv02qbw6i57lfg";
-    sha256bin64 = "00hjr5y0cczs6h2pxrigpmjiv24456948v32q7mr7x5ysr5kxpn6";
-    version = "83.0.4103.106";
-  };
-}
diff --git a/nixpkgs/pkgs/applications/networking/browsers/elinks/debian-patches.nix b/nixpkgs/pkgs/applications/networking/browsers/elinks/debian-patches.nix
new file mode 100644
index 000000000000..07df14767aa6
--- /dev/null
+++ b/nixpkgs/pkgs/applications/networking/browsers/elinks/debian-patches.nix
@@ -0,0 +1,34 @@
+# Generated by debian-patches.sh from debian-patches.txt
+let
+  prefix = "https://sources.debian.org/data/main/e/elinks/0.13.2-1/debian/patches";
+in
+[
+  {
+    url = "${prefix}/03_459467_ui.leds.enable_0.diff";
+    sha256 = "0l35lglmnvyzz3xyy18nksra14gsp7yc67rskbzmr61szg8b9jqr";
+  }
+  {
+    url = "${prefix}/04_436817_nostrip.diff";
+    sha256 = "0ixvxaba1ww375gpdh7r67srp3xsfb5vyz2sfv1pgj6mczwg8v24";
+  }
+  {
+    url = "${prefix}/07_617713_cache_control.diff";
+    sha256 = "0drn4r33ywvmihr0drsp2jwz7mlf5z5fv8ra7fpkdavx45xqaf15";
+  }
+  {
+    url = "${prefix}/10-reproducible-build.diff";
+    sha256 = "024yp3xsh0hw29l1wikfmk9j3mqval6pdr4xi7rzffrlaknh58h5";
+  }
+  {
+    url = "${prefix}/14_debug_disable_Werror.diff";
+    sha256 = "0s620r88ikfljflb5nd133cww2wc0i85ag8lzpvrsmg0q00hfmax";
+  }
+  {
+    url = "${prefix}/16_POST_BUFFER_SIZE.diff";
+    sha256 = "17vkvy0d0rabmgk8iqwgdsrgjn6dbb9cf6760qbz82zlb37s09nh";
+  }
+  {
+    url = "${prefix}/11-reproducible-build.diff";
+    sha256 = "1z17g9z68lh12fs6fkralfghh8bs1bs5mlq83d15l4bn3za3s0sl";
+  }
+]
diff --git a/nixpkgs/pkgs/applications/networking/browsers/elinks/debian-patches.txt b/nixpkgs/pkgs/applications/networking/browsers/elinks/debian-patches.txt
new file mode 100644
index 000000000000..29efcf2d7a80
--- /dev/null
+++ b/nixpkgs/pkgs/applications/networking/browsers/elinks/debian-patches.txt
@@ -0,0 +1,8 @@
+elinks/0.13.2-1
+03_459467_ui.leds.enable_0.diff
+04_436817_nostrip.diff
+07_617713_cache_control.diff
+10-reproducible-build.diff
+14_debug_disable_Werror.diff
+16_POST_BUFFER_SIZE.diff
+11-reproducible-build.diff
diff --git a/nixpkgs/pkgs/applications/networking/browsers/elinks/default.nix b/nixpkgs/pkgs/applications/networking/browsers/elinks/default.nix
index 985497a095cb..ccdd591cdb17 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/elinks/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/elinks/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, ncurses, xlibsWrapper, bzip2, zlib, openssl
+{ stdenv, fetchurl, fetchpatch, ncurses, xlibsWrapper, bzip2, zlib, brotli, openssl, autoconf, automake, gettext, pkgconfig, libev
 , gpm
 , # Incompatible licenses, LGPLv3 - GPLv2
   enableGuile        ? false,                                         guile ? null
@@ -10,24 +10,33 @@
 assert enableGuile -> guile != null;
 assert enablePython -> python != null;
 
-stdenv.mkDerivation {
-  name = "elinks-0.12pre6";
+stdenv.mkDerivation rec {
+  pname = "elinks-0.13.2";
+  version = "0.13.2";
 
   src = fetchurl {
-    url = "http://elinks.or.cz/download/elinks-0.12pre6.tar.bz2";
-    sha256 = "1nnakbi01g7yd3zqwprchh5yp45br8086b0kbbpmnclabcvlcdiq";
+    url = "https://deb.debian.org/debian/pool/main/e/elinks/elinks_${version}.orig.tar.gz";
+    sha256 = "0xkpqnqy0x8sizx4snca0pw3q98gkhnw5a05yf144j1x1y2nb14c";
   };
 
-  patches = [
-    ./gc-init.patch
-    ./openssl-1.1.patch
-  ];
+  patches = map fetchurl (import ./debian-patches.nix);
 
-  buildInputs = [ ncurses xlibsWrapper bzip2 zlib openssl spidermonkey gpm ]
+  postPatch = (stdenv.lib.optional stdenv.isDarwin) ''
+    patch -p0 < ${fetchpatch {
+      url = "https://raw.githubusercontent.com/macports/macports-ports/72bed7749e76b9092ddd8d9fe2d8449c5afb1d71/www/elinks/files/patch-perl.diff";
+      sha256 = "14q9hk3kg2n2r5b062hvrladp7b4yzysvhq07903w9kpg4zdbyqh";
+    }}
+  '';
+
+  buildInputs = [ ncurses xlibsWrapper bzip2 zlib brotli openssl libev ]
+    ++ stdenv.lib.optional stdenv.isLinux gpm
     ++ stdenv.lib.optional enableGuile guile
     ++ stdenv.lib.optional enablePython python
     ++ stdenv.lib.optional enablePerl perl
+    ++ stdenv.lib.optional enableSpidermonkey spidermonkey
     ;
+  
+  nativeBuildInputs = [ autoconf automake gettext pkgconfig ];
 
   configureFlags = [
     "--enable-finger"
@@ -36,18 +45,24 @@ stdenv.mkDerivation {
     "--enable-cgi"
     "--enable-bittorrent"
     "--enable-nntp"
-    "--with-openssl=${openssl.dev}"
-    "--with-bzip2=${bzip2.dev}"
+    "--enable-256-colors"
+    "--with-libev"
   ] ++ stdenv.lib.optional enableGuile        "--with-guile"
     ++ stdenv.lib.optional enablePython       "--with-python"
     ++ stdenv.lib.optional enablePerl         "--with-perl"
     ++ stdenv.lib.optional enableSpidermonkey "--with-spidermonkey=${spidermonkey}"
     ;
+  
+  preConfigure = ''
+    patchShebangs ./autogen.sh
+    ./autogen.sh
+  '';
 
-  meta = {
-    description = "Full-featured text-mode web browser";
-    homepage = "http://elinks.or.cz";
-    license = stdenv.lib.licenses.gpl2;
-    platforms = stdenv.lib.platforms.linux;
+  meta = with stdenv.lib; {
+    description = "Full-featured text-mode web browser (package based on the fork felinks)";
+    homepage = "https://github.com/rkd77/felinks";
+    license = licenses.gpl2;
+    platforms = with platforms; linux ++ darwin;
+    maintainers = with maintainers; [ iblech ];
   };
 }
diff --git a/nixpkgs/pkgs/applications/networking/browsers/elinks/gc-init.patch b/nixpkgs/pkgs/applications/networking/browsers/elinks/gc-init.patch
deleted file mode 100644
index de06f563d6e6..000000000000
--- a/nixpkgs/pkgs/applications/networking/browsers/elinks/gc-init.patch
+++ /dev/null
@@ -1,17 +0,0 @@
-Fix libgc initialization in the presence of Guile 2.0.
-
---- elinks-0.12pre5/src/main/main.c	2009-07-07 14:23:17.000000000 +0200
-+++ elinks-0.12pre5/src/main/main.c	2011-04-28 23:20:15.000000000 +0200
-@@ -339,6 +339,11 @@ int
- main(int argc, char *argv[])
- {
- #ifdef CONFIG_GC
-+	/* Guile 2.x uses libgc too and it initializes it this way, so we
-+	 * must make sure to initialize it the same way, or it will just
-+	 * segfault.  */
-+	GC_all_interior_pointers = 0;
-+
- 	GC_INIT();
- 	GC_set_warn_proc(gc_warning);
- #endif
-
diff --git a/nixpkgs/pkgs/applications/networking/browsers/elinks/openssl-1.1.patch b/nixpkgs/pkgs/applications/networking/browsers/elinks/openssl-1.1.patch
deleted file mode 100644
index 22792b6c0790..000000000000
--- a/nixpkgs/pkgs/applications/networking/browsers/elinks/openssl-1.1.patch
+++ /dev/null
@@ -1,51 +0,0 @@
-diff --git a/src/network/ssl/socket.c b/src/network/ssl/socket.c
-index 45b4b4a8..0385a431 100644
---- a/src/network/ssl/socket.c
-+++ b/src/network/ssl/socket.c
-@@ -67,7 +67,9 @@ static void
- ssl_set_no_tls(struct socket *socket)
- {
- #ifdef CONFIG_OPENSSL
--	((ssl_t *) socket->ssl)->options |= SSL_OP_NO_TLSv1;
-+#ifdef SSL_OP_NO_TLSv1
-+	SSL_set_options((ssl_t *)socket->ssl, SSL_OP_NO_TLSv1);
-+#endif
- #elif defined(CONFIG_GNUTLS)
- 	{
- 		/* GnuTLS does not support SSLv2 because it is "insecure".
-@@ -145,9 +147,11 @@ ssl_connect(struct socket *socket)
- 		}
- 
- 		if (client_cert) {
--			SSL_CTX *ctx = ((SSL *) socket->ssl)->ctx;
-+			SSL_CTX *ctx = SSL_get_SSL_CTX((SSL *) socket->ssl);
- 
--			SSL_CTX_use_certificate_chain_file(ctx, client_cert);
-+			SSL_CTX_use_certificate_chain_file(
-+					(SSL *) socket->ssl,
-+					client_cert);
- 			SSL_CTX_use_PrivateKey_file(ctx, client_cert,
- 						    SSL_FILETYPE_PEM);
- 		}
-diff --git a/src/network/ssl/ssl.c b/src/network/ssl/ssl.c
-index c008121d..c06a80a7 100644
---- a/src/network/ssl/ssl.c
-+++ b/src/network/ssl/ssl.c
-@@ -50,11 +50,16 @@ init_openssl(struct module *module)
- 	 * cannot initialize the PRNG and so every attempt to use SSL fails.
- 	 * It's actually an OpenSSL FAQ, and according to them, it's up to the
- 	 * application coders to seed the RNG. -- William Yodlowsky */
--	if (RAND_egd(RAND_file_name(f_randfile, sizeof(f_randfile))) < 0) {
-+	RAND_file_name(f_randfile, sizeof(f_randfile));
-+#ifdef HAVE_RAND_EGD
-+	if (RAND_egd(f_randfile) < 0) {
- 		/* Not an EGD, so read and write to it */
-+#endif
- 		if (RAND_load_file(f_randfile, -1))
- 			RAND_write_file(f_randfile);
-+#ifdef HAVE_RAND_EGD
- 	}
-+#endif
- 
- 	SSLeay_add_ssl_algorithms();
- 	context = SSL_CTX_new(SSLv23_client_method());
diff --git a/nixpkgs/pkgs/applications/networking/browsers/eolie/default.nix b/nixpkgs/pkgs/applications/networking/browsers/eolie/default.nix
index cfccacf1ae08..a16beb652089 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/eolie/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/eolie/default.nix
@@ -1,11 +1,11 @@
-{ stdenv, fetchgit, meson, ninja, pkgconfig
-, python3, gtk3, libsecret, gst_all_1, webkitgtk
+{ stdenv, fetchgit, meson, ninja, pkgconfig, nix-update-script
+, python3, gtk3, libsecret, gst_all_1, webkitgtk, glib
 , glib-networking, gtkspell3, hunspell, desktop-file-utils
-, gobject-introspection, wrapGAppsHook }:
+, gobject-introspection, wrapGAppsHook, gnome3 }:
 
 python3.pkgs.buildPythonApplication rec {
   pname = "eolie";
-  version = "0.9.63";
+  version = "0.9.99";
 
   format = "other";
   doCheck = false;
@@ -14,7 +14,7 @@ python3.pkgs.buildPythonApplication rec {
     url = "https://gitlab.gnome.org/World/eolie";
     rev = "refs/tags/${version}";
     fetchSubmodules = true;
-    sha256 = "0z8gcfg7i842rr5p8r3vqa31kf7nnj1yv3afax3jzf4zbnhb8wm0";
+    sha256 = "077jww5mqg6bbqbj0j1gss2j3dxlfr2xw8bc43k8vg52drqg6g8w";
   };
 
   nativeBuildInputs = [
@@ -33,18 +33,23 @@ python3.pkgs.buildPythonApplication rec {
     gst-plugins-base
     gst-plugins-ugly
     gstreamer
+    gnome3.gnome-settings-daemon
     gtk3
     gtkspell3
     hunspell
     libsecret
-    webkitgtk
+    (webkitgtk.override {enableGLES = false;})
+    glib
   ];
 
   propagatedBuildInputs = with python3.pkgs; [
+    pyfxa
     beautifulsoup4
+    cryptography
     pycairo
     pygobject3
     python-dateutil
+    pycrypto
   ];
 
   postPatch = ''
@@ -52,11 +57,21 @@ python3.pkgs.buildPythonApplication rec {
     patchShebangs meson_post_install.py
   '';
 
+  dontWrapGApps = true;
   preFixup = ''
     buildPythonPath "$out $propagatedBuildInputs"
     patchPythonScript "$out/libexec/eolie-sp"
+    makeWrapperArgs+=("''${gappsWrapperArgs[@]}")
   '';
 
+  passthru = {
+    updateScript = nix-update-script {
+      attrPath = pname;
+    };
+  };
+
+  strictDeps = false;
+
   meta = with stdenv.lib; {
     description = "A new GNOME web browser";
     homepage = "https://wiki.gnome.org/Apps/Eolie";
diff --git a/nixpkgs/pkgs/applications/networking/browsers/ephemeral/default.nix b/nixpkgs/pkgs/applications/networking/browsers/ephemeral/default.nix
index 69e8179489cf..550076787788 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/ephemeral/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/ephemeral/default.nix
@@ -1,5 +1,6 @@
 { stdenv
 , fetchFromGitHub
+, nix-update-script
 , desktop-file-utils
 , vala
 , gettext
@@ -55,7 +56,7 @@ stdenv.mkDerivation rec {
   '';
 
   passthru = {
-    updateScript = pantheon.updateScript {
+    updateScript = nix-update-script {
       attrPath = pname;
     };
   };
diff --git a/nixpkgs/pkgs/applications/networking/browsers/falkon/default.nix b/nixpkgs/pkgs/applications/networking/browsers/falkon/default.nix
index f9e814a0941b..3c2aace79b26 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/falkon/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/falkon/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, mkDerivation, lib, fetchFromGitHub
+{ stdenv, mkDerivation, lib, fetchFromGitHub, fetchpatch
 , cmake, extra-cmake-modules, pkgconfig, qmake
 , libpthreadstubs, libxcb, libXdmcp
 , qtsvg, qttools, qtwebengine, qtx11extras
@@ -17,6 +17,14 @@ mkDerivation rec {
     sha256 = "1w64slh9wpcfi4v7ds9wci1zvwh0dh787ndpi6hd4kmdgnswvsw7";
   };
 
+  patches = [
+    # fixes build with qt5 5.14
+    (fetchpatch {
+      url = "https://github.com/KDE/falkon/commit/bbde5c6955c43bc744ed2c4024598495de908f2a.diff";
+      sha256 = "0f7qcddvvdnij3di0acg7jwvwfwyd0xizlav4wccclbj8x7qp5ld";
+    })
+  ];
+
   preConfigure = ''
     export NONBLOCK_JS_DIALOGS=true
     export KDE_INTEGRATION=true
diff --git a/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/beta_sources.nix b/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/beta_sources.nix
index 601e4a77db5b..7548eb94fa6d 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/beta_sources.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/beta_sources.nix
@@ -1,965 +1,965 @@
 {
-  version = "78.0b2";
+  version = "81.0b4";
   sources = [
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-x86_64/ach/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-x86_64/ach/firefox-81.0b4.tar.bz2";
       locale = "ach";
       arch = "linux-x86_64";
-      sha512 = "f70d001f2415f46f0a2fddb7a3de19d0b4be6fb185b1e4e875bb3f374b9e73f65369117b197ddeea7cea72bf8993984ff166d0a58dd9fcea1a555db19df242af";
+      sha256 = "4b133dd14e8ce1b934e482c4f7f7b5ca4b58751181bed89f6573ba5994ebe644";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-x86_64/af/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-x86_64/af/firefox-81.0b4.tar.bz2";
       locale = "af";
       arch = "linux-x86_64";
-      sha512 = "9376bfa53068581a4bcbbf2fa7fe946d3ae006770edef1060f82b0c1722c90712c65cd86e89292c03167bebbe3e67c5b3215b88e11681c723f430470f84e685c";
+      sha256 = "8e50a0845eb058ee853fe40b13c88d764e721f7f8ac2eb54695049ab2a66e3e9";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-x86_64/an/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-x86_64/an/firefox-81.0b4.tar.bz2";
       locale = "an";
       arch = "linux-x86_64";
-      sha512 = "51b4294f4ecd8716b875060b219af558df8298113c487f24a23c0e598ef7c5516fdab9a888022c4ad6679efdf0cd86cdb601179c146e6b97ccd332d22f0d08a6";
+      sha256 = "3edf8e157cac424b1cbfff019240877e7b7c3bf5ed1b576580569c155c5dd660";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-x86_64/ar/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-x86_64/ar/firefox-81.0b4.tar.bz2";
       locale = "ar";
       arch = "linux-x86_64";
-      sha512 = "4fc9a968ffaa96019819603ab9788ef0580f43da222c899c1af68db2e8f4e9d056356ea99d27481bb9b7eb451504bbe31fb857bd511d1862cb366ad4177616e2";
+      sha256 = "b2167ff357963e3295eed2ed423a1c3bcf62d645329b8f4cf817ad3c0e101c97";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-x86_64/ast/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-x86_64/ast/firefox-81.0b4.tar.bz2";
       locale = "ast";
       arch = "linux-x86_64";
-      sha512 = "c70026f3a7ec4572750c01df1d7ab5859afd91dd12b242534c5afbfeaf99dfe2585655d5d87d861f5211cef6cf67a0ab177190adcfca0697a89c7a6f7de022c4";
+      sha256 = "805a87a99a417ff4b762c01a9a2b88c7963f53a04fc19b42015db304b15f4bbe";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-x86_64/az/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-x86_64/az/firefox-81.0b4.tar.bz2";
       locale = "az";
       arch = "linux-x86_64";
-      sha512 = "005b79149215e2f85851900e08ffb1214f8b100a0a1bcf73365115769f8744e687f9b0ff8500a40cc48dc53cb203d33b757153266157cda3406532e5a1cb0c5a";
+      sha256 = "79c61c9515a683731649bcb5d36b26b95dd56165765e5a952339910310c9d259";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-x86_64/be/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-x86_64/be/firefox-81.0b4.tar.bz2";
       locale = "be";
       arch = "linux-x86_64";
-      sha512 = "11e1ec1146b0688ccadf1c9ce4c219a722533ecd00a3df828e0519c2b49bdb66280aee053254fecd00fc90e0d577de167ea3c1e146e2f9c351b9bfe4756c21eb";
+      sha256 = "318fece7d1ad734f6a19faa7003e060b1254b31bf62e59580c70a64c4a167ec6";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-x86_64/bg/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-x86_64/bg/firefox-81.0b4.tar.bz2";
       locale = "bg";
       arch = "linux-x86_64";
-      sha512 = "4a8cc34e0a59d9000b62181461633863583c2f35e50dd7e2de8307b0d537e0f3b439112b2879a95c9a4341a01b361971f0160abd9409be1f4169cad44c3c3825";
+      sha256 = "55616606306dbd0933240d718fef8e83004fd65e4f53dd18f1601f09d0b94e92";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-x86_64/bn/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-x86_64/bn/firefox-81.0b4.tar.bz2";
       locale = "bn";
       arch = "linux-x86_64";
-      sha512 = "8330315eb21da9da68840bfa64e8f4a150fd4df5e12d10ebd504f38dacab17cf43a246c10cd77ccb6fafbd8f4094d1f6ede53b623308fae90e161d4cf86e6fe6";
+      sha256 = "c38fdef89f6aee7bf03362d2edfe4dcc665d540b1e1dc1dad8c53db20d70087d";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-x86_64/br/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-x86_64/br/firefox-81.0b4.tar.bz2";
       locale = "br";
       arch = "linux-x86_64";
-      sha512 = "cfd67e67af7d97f0bbae051b3c366fba48a09ec4615fa4ff178bc12610962952dd2584916df5a76e52a5f575fd4060e473ff4a2ccb63322f8cb8ed1a351b5a94";
+      sha256 = "c5ac1c8e9dc2f4c5a1a2b6e33bf699a823a9422bce46922bc36222700a29d2e5";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-x86_64/bs/firefox-78.0b2.tar.bz2";
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       arch = "linux-i686";
-      sha512 = "e53b42fcc15613bef2201e2c8269269901130884fc7b3d4fbb5cc3eea1c9ff1a219503c2e2960643ae23ed0ee99287ba977f55f77df00c0cdbacd380623967ff";
+      sha256 = "0bf9e4751ef967f4c6f63cb6332fe3940698b3e67d0e4873ea6bf639487159f2";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/pl/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/pl/firefox-81.0b4.tar.bz2";
       locale = "pl";
       arch = "linux-i686";
-      sha512 = "bce7db6d18de63080a806dbf8639bd2f6dd00876605b17b9fcc741678618f1f17a5d991c461daa765cd2f3f217d2f39971e572e2e607b91bcdfc8ca15529526c";
+      sha256 = "0fcece8a65132810cb297a599cd4b003604854f0af684b33c9de554fbf7b1e86";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/pt-BR/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/pt-BR/firefox-81.0b4.tar.bz2";
       locale = "pt-BR";
       arch = "linux-i686";
-      sha512 = "7260d2a9ff4fc0b29f5c72942eee47c36b4041982924ece2a32f70a5a821bbbff07ebd57a3b97c64700a6e7815e3f00f8fc521ca7f99192b25f3199089b33738";
+      sha256 = "8363d209d1eb7e8053acb4805df119e230ab31e74b3389ddb01b53b032c12bf4";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/pt-PT/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/pt-PT/firefox-81.0b4.tar.bz2";
       locale = "pt-PT";
       arch = "linux-i686";
-      sha512 = "47f02eb60a50799c542ec8f82dd5e43a684ca03dd8daf487d651a33c7ed78ab12be1ab910c2a658e67645b2537f6f112d9000b59377be448c066f218bc9287a9";
+      sha256 = "cf2ecf2a673f0a4f17cecb10b330bec530fd6e37aff9ed821aa68e202f59f864";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/rm/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/rm/firefox-81.0b4.tar.bz2";
       locale = "rm";
       arch = "linux-i686";
-      sha512 = "dcea73109f2c6bd570729175e136856d1a8141cd3e6caa04ad5a0b94096171587980d9567181c41fcc950da92c15155ef23402ff7e97939fd7cc4d3c6d349e6d";
+      sha256 = "8849e945e79f0f9605e288de967e9f5316c792b150654e23ca65f6c91bba8978";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/ro/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/ro/firefox-81.0b4.tar.bz2";
       locale = "ro";
       arch = "linux-i686";
-      sha512 = "5189292876c243ef963f552123876d9a392a258efdd3704d4ac2b4da26d98e3ff5d281dd54be89ae414c8a78abf080234259045326487eabca45a645a1ba29c9";
+      sha256 = "452496612b170e53423009a128f092a3d4a372e0e6fe352e649b3c989f6f254b";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/ru/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/ru/firefox-81.0b4.tar.bz2";
       locale = "ru";
       arch = "linux-i686";
-      sha512 = "c4ced260fbae120147c18cc03be8ed6c604c5b98c4c63d3f7ba579154cbfc04003b5ff03c65617cb6a2c65a49c36c81fc1c1b2d6315e51ea368165d0c6fe971c";
+      sha256 = "0e7787bee9fdbb1ca0bd3ef050b1ee5d6c6d8277da941232d6ef10c612003773";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/si/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/si/firefox-81.0b4.tar.bz2";
       locale = "si";
       arch = "linux-i686";
-      sha512 = "84f62ba8c25c46cfde46e2dfd2ca6e9051d75ff4b930f1898da661714976103530571a39ba19f374beb4ecbcbcb30a390483d91433558e2f263d9106efaefabb";
+      sha256 = "bfd6df7b86490aa941f5878ad749d7918bc3c907a177213ab8a60df0270eea69";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/sk/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/sk/firefox-81.0b4.tar.bz2";
       locale = "sk";
       arch = "linux-i686";
-      sha512 = "9f9792fb821396d46c5ef30acd2d71ed224db8a8a533a6dc3f0afe3b8aa7c9915f425d921fc2f8adc11fa3f5d9ef2580eece36f488417cee4b4dd3988d9f7553";
+      sha256 = "87c4827968ac3de5fb7609b9d7685653ef279bafbbb8b15f15f93cc876d6e021";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/sl/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/sl/firefox-81.0b4.tar.bz2";
       locale = "sl";
       arch = "linux-i686";
-      sha512 = "55d0c5d17f80d9a35ea5dffcc93ad6cf9af2414e8b74bb7f0681dc97b9c7292a95a9175400b1710ce5eb78e2aab6ca9a57deba96df68bc8b0949029a4fca55e4";
+      sha256 = "6b272ee0cc91ba6114dc777f1833ed5201a96fd905a0d68a71cbafafe1a066cb";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/son/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/son/firefox-81.0b4.tar.bz2";
       locale = "son";
       arch = "linux-i686";
-      sha512 = "a341592537300f4aaaee8010c58143204487642bfd72fc25086aaf94bf916aeef57ac1a8cf5aa6d3456759a4a9416da6c72a6e222a1011bf3dcef3a1bacc53fc";
+      sha256 = "342f9eedcb359409fb324c13120ed25421435b614e9b5e15585ccf1551c263c4";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/sq/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/sq/firefox-81.0b4.tar.bz2";
       locale = "sq";
       arch = "linux-i686";
-      sha512 = "ce6f8b75467d9a97732a9541ceae1611b37ad81c2cac1a150502e4d96b3d2f0a35e3031f534cc974a13810716e2c2f4bd30d71f84076a98c0bff85b37bcdd51a";
+      sha256 = "ad11f5878139c46a2344d0bcf6b02ad2c19e59f9861e7ac74668801e14742b73";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/sr/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/sr/firefox-81.0b4.tar.bz2";
       locale = "sr";
       arch = "linux-i686";
-      sha512 = "644cfbad8921ad9101eaa2eb20cc4764baecf8c2ac29e30ded8470df6b103cd39f2ac913b30a89cc92b8cd6e2a0a16a2c5dec61102a599e43675d9edf59ce2b7";
+      sha256 = "5e555aafe353036537609b9ba997374d106bb5ecaaa386b5395b7d156ff89901";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/sv-SE/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/sv-SE/firefox-81.0b4.tar.bz2";
       locale = "sv-SE";
       arch = "linux-i686";
-      sha512 = "6b4805545d53241e6f4bd6de168fe642d502cdcb33d805f696e7622894b7e1e347870294b168f2be191b96c8d109bf567a0c102c727b0d6d399e4bf1f0e0464b";
+      sha256 = "cbd33b4fd20d8a7401e384196c28adf9fda6ee2bf24895d75e75f8b727d33e53";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/ta/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/ta/firefox-81.0b4.tar.bz2";
       locale = "ta";
       arch = "linux-i686";
-      sha512 = "0681cef623d3266b40cf3081c19f5fd54b0aac447684553fa9205735099bacd615d024f2205329c2c14a4f48c81cb7356039cb8bdc76c0e68b0c4c85c821f0a7";
+      sha256 = "8e4e9919ec79c1847449cc75539f24801d972b67d6895727aafddf7485d95ed3";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/te/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/te/firefox-81.0b4.tar.bz2";
       locale = "te";
       arch = "linux-i686";
-      sha512 = "d1b4eab69607d6ce2b94841c2320aebdfbbf2ed71d09d2d34eaeedf18828b3db6c85062f52dfd7555230d29b5431db742ed261d76c7ff61bc8e652dd9af5eae1";
+      sha256 = "cb756aa758e69f26eb50d2e81bcb922c2a15a2304ef99debe67a57c44b2c3c52";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/th/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/th/firefox-81.0b4.tar.bz2";
       locale = "th";
       arch = "linux-i686";
-      sha512 = "2020ca64cc8aac6fc5cf45fb9201dfff33f29c453bd2e876456017876f7965bde5308464bf08eaafd457da2d51dbee385cdf35921ca8f92f651ed9cf3b900697";
+      sha256 = "8c2be1458aa4077264ec946181d7ab3160086d12c821dc3d5fa3bbba46de3574";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/tl/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/tl/firefox-81.0b4.tar.bz2";
       locale = "tl";
       arch = "linux-i686";
-      sha512 = "9cef23915220fd61dd699fae18ce7ceac585d5b704ebf8268365a36108d0e52a488a88deb49e0b942fc2cfc164d5306d1bcba9c2ebefaabcead775bde181f368";
+      sha256 = "e51e4cf97b79b3720129ed9467b57d393a4ffd5698a9a941cd28feffa1d166fa";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/tr/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/tr/firefox-81.0b4.tar.bz2";
       locale = "tr";
       arch = "linux-i686";
-      sha512 = "7f02a59ba18c59648c98f5965bd0e960149b2edf121ebc2590353d4aa8fc26a270ef2fb16f9a80fa69e604244d56cdaf3029c12149049aabe9796e347fcc4d77";
+      sha256 = "9f0a494434bc3d78c43428bc535517b5d61743326fbdbf1836a84f353408a54e";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/trs/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/trs/firefox-81.0b4.tar.bz2";
       locale = "trs";
       arch = "linux-i686";
-      sha512 = "e1dc9905817bdff2db64f60440044204c9335c443b9db605915a4b412426ae877f5e7b2a83cb8b73ca534627d2b1b8b4b9a11306779baa8516ba06d85b3b9a18";
+      sha256 = "24cadb7247a254595c29aebe60784d37061465f2c960a8d036096c6df71e4186";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/uk/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/uk/firefox-81.0b4.tar.bz2";
       locale = "uk";
       arch = "linux-i686";
-      sha512 = "3bb99eda1b5c33418ae7267dfe65bb905c617818f405b80e775d70d6bb8a78f143843aa2256e442aa36304ae6f4284524ce4836a1c864ba06fe558c202f04258";
+      sha256 = "6aa85e7119fd3ca00cd87d898eb93d954b1e58d01edf14106c41df98bdca4d99";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/ur/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/ur/firefox-81.0b4.tar.bz2";
       locale = "ur";
       arch = "linux-i686";
-      sha512 = "e1f71eb9b6b5f0dcdeedd3cca964a6110e6d9cf4e5fae815922135b3dee8bd6ce42c97b893eb922e436c5088130035793d99293ec1c5ce8c70d4ae5e0a097f7b";
+      sha256 = "6b188379acb89178d08e827a60244c2298eae62434991d53378327c36829fa01";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/uz/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/uz/firefox-81.0b4.tar.bz2";
       locale = "uz";
       arch = "linux-i686";
-      sha512 = "39cc68ab411bbfb784ea3a70306ad2fd27cf377e796f3cf39a1f68d70363923dd1fb0cfcd39f62efa2940439969ae0467191c0c62ac68dfb5205b29760f9a923";
+      sha256 = "782ced50737f68a9fa6db854cde83ef7bbc6f95776a44918248efcedd95230ec";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/vi/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/vi/firefox-81.0b4.tar.bz2";
       locale = "vi";
       arch = "linux-i686";
-      sha512 = "4ab8ee124d40ed7a26ff0cf7257c60dc8a9879c82b6b881ee0fbae1662fa8e26f672ad59993419dbe93458723c4d4b1a1dbec261ec3811c348449a1a352dd688";
+      sha256 = "37b600b306c901080f659955163b1696f5129e71bc3c5f65dc74d280ee6e3024";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/xh/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/xh/firefox-81.0b4.tar.bz2";
       locale = "xh";
       arch = "linux-i686";
-      sha512 = "fea8a74c935e7213e551b1f9c2c00286eca13a2d1a987bf523ebabcd57bcc5dfdcdceb23b4d589e354f116900b8ace28e41a069fa0d8692656e70960025e39f8";
+      sha256 = "ebdfb9a50a5a7cad0508ade647ef3f81e18837d6b84212de6393a854bbfc652f";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/zh-CN/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/zh-CN/firefox-81.0b4.tar.bz2";
       locale = "zh-CN";
       arch = "linux-i686";
-      sha512 = "a5b1dcc1fad60e62f3d7b258193f7c76a807ec3efbc766c50096649eb1e4bb523a981f4b30c9d93a1bd814dea1d99230ad3091a1f8502ac44e177073c0afcb3c";
+      sha256 = "fbc7b8952fa6d2d73b736abf4e60a10512eb983ea4588f7e746bff9512b953ce";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/78.0b2/linux-i686/zh-TW/firefox-78.0b2.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0b4/linux-i686/zh-TW/firefox-81.0b4.tar.bz2";
       locale = "zh-TW";
       arch = "linux-i686";
-      sha512 = "3f82220802d5fee6502464faf62bc0dd7edcddd0bb93d9e9636da70b7a5e4760d1b1928976793d984c56c6aa73cc9bb13b687590b0a85b395137fa4d7ec72d90";
+      sha256 = "5c29c56ef6480703ef9b6a2dc3cae8bc45b2fc01495ba099bd1ee28bbcdce55a";
     }
     ];
 }
diff --git a/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/default.nix b/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/default.nix
index 4a9c3b90cabf..d86b9d6f9870 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/default.nix
@@ -8,7 +8,6 @@
 , dbus
 , fontconfig
 , freetype
-, gconf
 , gdk-pixbuf
 , glib
 , glibc
@@ -27,9 +26,7 @@
 , libXinerama
 , libXrender
 , libXt
-, libcanberra-gtk2
-, libgnome
-, libgnomeui
+, libcanberra
 , libnotify
 , gnome3
 , libGLU, libGL
@@ -48,7 +45,7 @@
 , gnused
 , gnugrep
 , gnupg
-, ffmpeg_3
+, ffmpeg
 , runtimeShell
 , mesa # firefox wants gbm for drm+dmabuf
 , systemLocale ? config.i18n.defaultLocale or "en-US"
@@ -88,7 +85,7 @@ in
 stdenv.mkDerivation {
   inherit name;
 
-  src = fetchurl { inherit (source) url sha512; };
+  src = fetchurl { inherit (source) url sha256; };
 
   phases = [ "unpackPhase" "patchPhase" "installPhase" "fixupPhase" ];
 
@@ -104,7 +101,6 @@ stdenv.mkDerivation {
       dbus
       fontconfig
       freetype
-      gconf
       gdk-pixbuf
       glib
       glibc
@@ -124,9 +120,7 @@ stdenv.mkDerivation {
       libXinerama
       libXrender
       libXt
-      libcanberra-gtk2
-      libgnome
-      libgnomeui
+      libcanberra
       libnotify
       libGLU libGL
       nspr
@@ -136,7 +130,7 @@ stdenv.mkDerivation {
       libpulseaudio
       (lib.getDev libpulseaudio)
       systemd
-      ffmpeg_3
+      ffmpeg
     ] + ":" + stdenv.lib.makeSearchPathOutput "lib" "lib64" [
       stdenv.cc.cc
     ];
diff --git a/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/devedition_sources.nix b/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/devedition_sources.nix
index f9045a4cc19e..5b61afe0241c 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/devedition_sources.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/devedition_sources.nix
@@ -1,965 +1,965 @@
 {
-  version = "77.0b7";
+  version = "80.0b8";
   sources = [
-    { url = "http://archive.mozilla.org/pub/devedition/releases/77.0b7/linux-x86_64/ach/firefox-77.0b7.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/devedition/releases/80.0b8/linux-x86_64/ach/firefox-80.0b8.tar.bz2";
       locale = "ach";
       arch = "linux-x86_64";
-      sha512 = "b377d891ec1ede4d13a55bf6dccf67e9cacdad118241902ea97a1719f784cd8dcae47fc015bc79e4bf7c4a76dd66472cc56a39173021ee1c259bcd5f0b7c3097";
+      sha256 = "f9b686c12733f6be1c96fcc71727f55e9c79f417df64a4b703c7fadaaf3a85e6";
     }
-    { url = "http://archive.mozilla.org/pub/devedition/releases/77.0b7/linux-x86_64/af/firefox-77.0b7.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/devedition/releases/80.0b8/linux-x86_64/af/firefox-80.0b8.tar.bz2";
       locale = "af";
       arch = "linux-x86_64";
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-    { url = "http://archive.mozilla.org/pub/devedition/releases/77.0b7/linux-i686/uz/firefox-77.0b7.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/devedition/releases/80.0b8/linux-i686/uz/firefox-80.0b8.tar.bz2";
       locale = "uz";
       arch = "linux-i686";
-      sha512 = "0b0a0f8bcc7a96222ab09c113b537b2e56d1ae38f198c9a0efd0a7defe917aae30b64b81047b404e09953146ca78588e8184127d1ec86ed05c642a8f03b0478d";
+      sha256 = "a6f01fd45fc403dff8a97be0bcdcd2837eff7880ad039eab2cb31a2eca82c6e9";
     }
-    { url = "http://archive.mozilla.org/pub/devedition/releases/77.0b7/linux-i686/vi/firefox-77.0b7.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/devedition/releases/80.0b8/linux-i686/vi/firefox-80.0b8.tar.bz2";
       locale = "vi";
       arch = "linux-i686";
-      sha512 = "2b41d980f54907cf4f84ac5159ecf3d0b4ee4d6ff0003d2d26cf8ef51befbb67410c99eb75bfdba3f8afbc64c1911011946cc8ad23ec7f514982d522857a8304";
+      sha256 = "b7cc325a09e7e5a6097c81055eec760452ebff160af5e5f9b7a790a2d3fba53d";
     }
-    { url = "http://archive.mozilla.org/pub/devedition/releases/77.0b7/linux-i686/xh/firefox-77.0b7.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/devedition/releases/80.0b8/linux-i686/xh/firefox-80.0b8.tar.bz2";
       locale = "xh";
       arch = "linux-i686";
-      sha512 = "9f07d1b5b54ccd5764aab35df797ef866cb6dfc705bb6db0337168eb0453d847d6068230ddd00368ef27f3f58300f8009c9848a9ad1dc3a459d90889e2f7c5aa";
+      sha256 = "64e6d44ed8b07fefb110463e1003cab01503a52bcb72c76d6030325cd6c796d9";
     }
-    { url = "http://archive.mozilla.org/pub/devedition/releases/77.0b7/linux-i686/zh-CN/firefox-77.0b7.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/devedition/releases/80.0b8/linux-i686/zh-CN/firefox-80.0b8.tar.bz2";
       locale = "zh-CN";
       arch = "linux-i686";
-      sha512 = "1a5c6b1abab116fb0cf3e98e50024070c894e64334a82a3cff7c3a755b72a0ff8992f3a4c631cbb5489e2c03b5cd5dc5918dad56d5818c6050eab32335bf347b";
+      sha256 = "11312a9a212159bb929df04217292481b9aacdebc50ae941729b37f9c7c8312b";
     }
-    { url = "http://archive.mozilla.org/pub/devedition/releases/77.0b7/linux-i686/zh-TW/firefox-77.0b7.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/devedition/releases/80.0b8/linux-i686/zh-TW/firefox-80.0b8.tar.bz2";
       locale = "zh-TW";
       arch = "linux-i686";
-      sha512 = "0b16ba221c9c681e44bcb8ab6ebcbc0698dc8ecdcf31d14b9b4818afd396fa8608b389cedd372d15dfd833e4e7e028dadc7087af21c4c2d423fd97e1d2c0030f";
+      sha256 = "0b3f5974dd951fe9ec988c8608b186a2d5ebbc397fb017d587e869cbe4dcc74b";
     }
     ];
 }
diff --git a/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/release_sources.nix b/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/release_sources.nix
index 464eef9f4b7c..403ef9bea1f3 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/release_sources.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/release_sources.nix
@@ -1,965 +1,965 @@
 {
-  version = "77.0.1";
+  version = "81.0";
   sources = [
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/ach/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/ach/firefox-81.0.tar.bz2";
       locale = "ach";
       arch = "linux-x86_64";
-      sha512 = "12adc58633a67921e1d1944501191510baf3b0308213f417a202abcc09d5abad3155a478c2541508273d6e8b07bd3c13f7f8ab6e40855927429a94cc8d989888";
+      sha256 = "7ff2b7ec6f3f55fccfb7988d7a42bc9cbe572af6edc64ac9b42ea15aaed9cd4c";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/af/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/af/firefox-81.0.tar.bz2";
       locale = "af";
       arch = "linux-x86_64";
-      sha512 = "ee58827ac139f48b870d3c30d8c317857ad5973593fa99addd7d09faa1fc53ae5ae31e36cd1f5c9dec6ff56ab31b987baccad98d4c8f8e009830e2e5065b8a4a";
+      sha256 = "c1a29b1473583d28f87c764c8ccf67f7cba874fd85e5820f968230c9ce29670b";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/an/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/an/firefox-81.0.tar.bz2";
       locale = "an";
       arch = "linux-x86_64";
-      sha512 = "ba8a36a8e7a8638c88355ce68ca4f320d13b60522f7699dbefd056ad01c4476799c38c3cb5817d5c506f29ec32532b533bb6aa5a592cef971f1a617d353b12aa";
+      sha256 = "bddab1deeaf3c6474586beb41ad9c720ed6e84f9e999a856b17bb4e7c9d97991";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/ar/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/ar/firefox-81.0.tar.bz2";
       locale = "ar";
       arch = "linux-x86_64";
-      sha512 = "507a3c9487f0d2fd89b91473afbb9607d2c8fe2f642e331a4c781078d0f474b5345827a83167981c0d9b06556370b6d7baddd9eb3355dfd8c64014d139483e06";
+      sha256 = "3c4e339627fc94df273ba7e1e1c150188033331def09678b2e0abb54e52f2120";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/ast/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/ast/firefox-81.0.tar.bz2";
       locale = "ast";
       arch = "linux-x86_64";
-      sha512 = "70df4d795059609d2935243ca1af753e9e57d303f43df42f72a423135d095b8a295cf06fc3aa0284f68415c77de46b6925b34fc19987309a9b3f749e8234d9c5";
+      sha256 = "e421c32fefef657287ad52dc11f2f3166e549ef9d54065099f84e5f35c8a52af";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/az/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/az/firefox-81.0.tar.bz2";
       locale = "az";
       arch = "linux-x86_64";
-      sha512 = "34a95a03400f67bc17a405767d174de67103a57cfc2154621e4452b914e070344b361547876b2a17813638405440642f28684f84782285960d3ed5bd0d8c0eec";
+      sha256 = "e1099ab7b028d8124446a21056e55dc4b87d1f20972dea60125347b1b099e35d";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/be/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/be/firefox-81.0.tar.bz2";
       locale = "be";
       arch = "linux-x86_64";
-      sha512 = "66acd13f56a2a3c79cc49f3cd5cd203c7b7e1f7f978a1ce1eb90f702f35f501bf7b16b1fbc9be8ba9b176b103bc37d0868aaf765ca485c854192c2c4d27b1030";
+      sha256 = "a216a2cd652905d946aff1cb3a0fc8738a1e3d5746d080dd863d34be244a2a50";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/bg/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/bg/firefox-81.0.tar.bz2";
       locale = "bg";
       arch = "linux-x86_64";
-      sha512 = "44f3dc39fb73c03461d16a34f1fcfeb385722a0b4deb7b75199a8f8fb40fe85cec8116e11eb2f7852580a4ce9925d8f022c6133647232f6547db689b6d87912a";
+      sha256 = "68a8a4ec3d0c1fb8a174a7466abbfb6c806bb8a263ab852b15dfdd15c35487aa";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/bn/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/bn/firefox-81.0.tar.bz2";
       locale = "bn";
       arch = "linux-x86_64";
-      sha512 = "2ecc1a1433eb8301cc7e9d66dadf1926aa20b609b7683e69004dd56a12b3a8a2a1db19ec85113bdb0bb0759c29b0e70a157ef6f2f7ba29a121f22d39cb256c5e";
+      sha256 = "3eaae9060b690391cbc63aacdb1d833b2895c7aaf6da36c32cb117e7994d94d2";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/br/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/br/firefox-81.0.tar.bz2";
       locale = "br";
       arch = "linux-x86_64";
-      sha512 = "f9561f0d2f00da6736af19dfc2ec21a25a46b0a2c0ae195e0725a59f8df0367be3c0dbbfacc4b79ba82bce7643b00127b9a9431379e533c0393d49c6d3017ccf";
+      sha256 = "806b366419eb6edab57c8f3af9f0465d3547e3e28047983af7cb2f08ad822a8d";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/bs/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/bs/firefox-81.0.tar.bz2";
       locale = "bs";
       arch = "linux-x86_64";
-      sha512 = "e76982df74ee812f37f802d3e82a7ba842d6a211be3beff4fe6347a991ed49601678f11c01847a9708ce36ec2ca956f452b2d7b1fe168a7608ae7999113fbf22";
+      sha256 = "025a79c350f35f8bba1a5fdd894d0eb237d22be8ee5825e6a657f18b0c99bd87";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/ca-valencia/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/ca-valencia/firefox-81.0.tar.bz2";
       locale = "ca-valencia";
       arch = "linux-x86_64";
-      sha512 = "a2633b6e009edcb98c4af62df6cac991254a0f370384c2d0a3b81f8c4e49648ab6cdc580888a628668acd0a4daef1bf6b65633c58441aa0e9aaf84dfccfd10fa";
+      sha256 = "806f26efe0a6317cb5dd1b631f8b96bceeaa6e8fced624d15ac334d0d2d78dc8";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/ca/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/ca/firefox-81.0.tar.bz2";
       locale = "ca";
       arch = "linux-x86_64";
-      sha512 = "c8ba559b912670a86f94188e1b3c0962093955a527b2751e4264699bdf343050999d76b93857f6819c797dbafbbd0980032cf5c497b0d34a50c5c8395cd07cd9";
+      sha256 = "dfa651a556e024d2d27a27d97eec87750d8f4e692345a0f4e12c7a3480ac1d20";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/cak/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/cak/firefox-81.0.tar.bz2";
       locale = "cak";
       arch = "linux-x86_64";
-      sha512 = "52f446f2a2c4bd6d79f680ebdb38e2f62e0830d14fc98dc6ad01c5b404794da1e59f4b8da2d7f4a0483187f4725a212e41edcc2006190818e6229a5a9af8a597";
+      sha256 = "7225d8cf7a529d8688aa7386fe14e50e4e208d55732523d5407690f63b6ab775";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/cs/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/cs/firefox-81.0.tar.bz2";
       locale = "cs";
       arch = "linux-x86_64";
-      sha512 = "91d8dbd3d8dd6e242943d9b416534492125746694a721fff6c9d51f811e2f93b5d521f63357addd0e11bbeac80d3a07d2fda0133d746eb3d4d5d086e59a713b9";
+      sha256 = "17d22031176a4604d498743eea242fe257c74620ac8ab88f8f197d57f8615663";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/cy/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/cy/firefox-81.0.tar.bz2";
       locale = "cy";
       arch = "linux-x86_64";
-      sha512 = "14a04b2d97ea473b45602ab44d8ad08f35f21e98621e93b901ae25731fd86d207b4949bca3283e39cf22aea7667e110c94b948b51a370551c4416a3009f10854";
+      sha256 = "82581e54dc72e188a5d4976bed58bcb8ba4153e72854fc439d3a903a5f60e6e9";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/da/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/da/firefox-81.0.tar.bz2";
       locale = "da";
       arch = "linux-x86_64";
-      sha512 = "5ff9be1796f70f608e12732c71f46c6c4f636e52ed03cb445ee1fc35d4db2897ee1b8f231ba0a5724696d3f7db04845dddf268a3ba59b26a869f65729abd57e5";
+      sha256 = "87a600d73b3fb74ff8aaf26e1d915afa52692501ce67f13e308a7c9af63e6853";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/de/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/de/firefox-81.0.tar.bz2";
       locale = "de";
       arch = "linux-x86_64";
-      sha512 = "b15a90114ea7f2c69fa94bb6e9c2559be0f7a7a0b7c4c1042823153000bc6a04a27f62c9373cb4c73535e676c41b23dfd260396fa691f2ac0319badb7a087f05";
+      sha256 = "a15fdfafe598fe5e2d5c5854755e316844518eb1b4634aad6cbe99fefc3e5986";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/dsb/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/dsb/firefox-81.0.tar.bz2";
       locale = "dsb";
       arch = "linux-x86_64";
-      sha512 = "bd10d40bb2f52c1b5cae9c7d91d53b3cc33bac0415a6f0b37fa5e1e2f5249ce5313a45e0e8b8b218ad961b2e3b3597c7132486a71eae76acdc61805181cd7220";
+      sha256 = "abb71f8df0de953ab2c27e50c9b49a69c012fbe52a0d6eb66744b03754d494ba";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/el/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/el/firefox-81.0.tar.bz2";
       locale = "el";
       arch = "linux-x86_64";
-      sha512 = "4c28c9104085d2ddd024a1418f0f54cd4c57d0ad5fc59bbd26d28bf173a78999eadb025618f0221273c5cb697708f944764a88fe9c08695b10694c68ec54473c";
+      sha256 = "ed3782c6e619f9e0e59b2eb1f36e5c94a92e2f7b617b2ef87e0a2da0c4e65032";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/en-CA/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/en-CA/firefox-81.0.tar.bz2";
       locale = "en-CA";
       arch = "linux-x86_64";
-      sha512 = "0722520753a1bdb093e696cebe1e9074661b7602b5d8285b41f62acd462e740cb0833b751d870d602e7473bd11f3bcb3e5dd8e84ca00ca3babeea3a19d45974d";
+      sha256 = "5c5ae0e8345f13c346e2b756a57f465776e8d5a1ea62dd00dc6fe5a3b7c904fc";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/en-GB/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/en-GB/firefox-81.0.tar.bz2";
       locale = "en-GB";
       arch = "linux-x86_64";
-      sha512 = "8f6aa14f4dddadf19661e3bf11573d930c5e931f383498fd22826cb1e61f97bb5cc5db7507e5363648fba3368c7d49d7395bd4d68c6f9787db65401e990a62c7";
+      sha256 = "3ed2a11824c00fd157b9b3d02dcde95ae8347b6add687f4bbc3284601360c1a2";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/en-US/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/en-US/firefox-81.0.tar.bz2";
       locale = "en-US";
       arch = "linux-x86_64";
-      sha512 = "28b0f843220a88759893813c48f9b02a255c26fe954632e530f956f43c4cda6441546f3e9d827fd61bca0d61fc6a5580d3134b8d5315cdab90fb57aaf96fa5f8";
+      sha256 = "689d75035303b47266a3819e8aa3bb9026559b819aec2f6e95faa67b86888ce0";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/eo/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/eo/firefox-81.0.tar.bz2";
       locale = "eo";
       arch = "linux-x86_64";
-      sha512 = "da2d5d3d337c39236ecf39291dc44ce5c023dc0dc0b093c73b17425befa5f8b54239f166831b2d2b88d3556b9ea1e3dddcda8bdf2907fa7c5a63d78ef222b214";
+      sha256 = "cbebf5a97e5b2fb58c187553c8fcfd6474dae4a911c97cd8730977b8bee6c6cc";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/es-AR/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/es-AR/firefox-81.0.tar.bz2";
       locale = "es-AR";
       arch = "linux-x86_64";
-      sha512 = "ffece84feea0c13e2f1b40c41ddf0c6bcb9db03d5d377c509421abc2bbab7d04134e14f9eda5bb87bf7a63da57ac214cf88a054fd58cf7785e620e37076b5820";
+      sha256 = "e664214c7b2809919b672426c5d35e467eadf69fcbf43d20e00f379e5ab6f558";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-x86_64/es-CL/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-x86_64/es-CL/firefox-81.0.tar.bz2";
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       locale = "tr";
       arch = "linux-i686";
-      sha512 = "fedfa95f6516d3685d73ec3997148eb0954a8ef6713e8cffc304080937a1962a26cf384a85e937a9394150d52fc9db14c3a85b8b483d18615759dd06bb04a558";
+      sha256 = "3dacf51f059f7b974e18d0cf4437bba48a0cf246014ed8ec38d06e2e09cb76f6";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-i686/trs/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-i686/trs/firefox-81.0.tar.bz2";
       locale = "trs";
       arch = "linux-i686";
-      sha512 = "3b165460a7a34e5b2a059101a508a6353ca7f89c03c9eeb7b062e734c2cb1786b1cd2f9415cef7fd3ca2aceb72b4311b2b5da778f96b51f33aeb39cd7e69f1e4";
+      sha256 = "e9ce3a2591c8a9b7c5cccc20c2b56ff47ff22947d2393f5e7b010f1242ba1982";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-i686/uk/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-i686/uk/firefox-81.0.tar.bz2";
       locale = "uk";
       arch = "linux-i686";
-      sha512 = "02c39e86a144dcb6ccffaf4a6c6620088409b8a098e3d2d92268d5b2dd7098c01b9a55878a9ebf1a91552b3f1be8dc86a6a8ff514e3988ffa51e581dfcf43b8b";
+      sha256 = "a8f78984d01fb54b7475e980aa5775fe7c298e1796cf603446e7cb9baa371bdc";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-i686/ur/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-i686/ur/firefox-81.0.tar.bz2";
       locale = "ur";
       arch = "linux-i686";
-      sha512 = "d244301b2ee17b78a1ab20cb7a8fe362b6ac86e0cdb9d811afc11c0637ad3fe1e1dffb721411f36960ecec011b7b691a12df1bef1d257c22ae45d345096b7166";
+      sha256 = "0b56702343d7495b752246a9d03e4a5571be05394cebefd1ccd2ca822180259d";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-i686/uz/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-i686/uz/firefox-81.0.tar.bz2";
       locale = "uz";
       arch = "linux-i686";
-      sha512 = "8fc3cf2b1eca9b229ada7ca632fd362e42bc1063ad1bc22df1f6781cf996d179dd8e8fa231e02ffb12dcdfccd6f6641735e0b4b28c6e2a1a9372d80c0dc8fd78";
+      sha256 = "46a98ce354b40d64690c0aaf1c553b1d1e5ce51494291ff93ae0e54a82d897d4";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-i686/vi/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-i686/vi/firefox-81.0.tar.bz2";
       locale = "vi";
       arch = "linux-i686";
-      sha512 = "3676a6246a7fbd49a5779fb2b9ad3e14be809228e15bb19f81ca3b880ee5d584c4aba07d1a94ed2cdb6ec7549409d7738750422d06fa2415722d3424e948ab98";
+      sha256 = "fcbaf1dbab64bbc8983d444b1601721591c164bb8ff50ae09d2b7925fa41185a";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-i686/xh/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-i686/xh/firefox-81.0.tar.bz2";
       locale = "xh";
       arch = "linux-i686";
-      sha512 = "d4a8d251a4ad5603f301ad45f7eb3518066f06668a765d1583d067e0b89caa87f6699e1e06f67853527dd352b903c4b3a063d5ad7d19d297a040671a98aac2dc";
+      sha256 = "af8ff1f66472bbe39724ca714993246f02b0e9025b537ac7e52e65be29db4534";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-i686/zh-CN/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-i686/zh-CN/firefox-81.0.tar.bz2";
       locale = "zh-CN";
       arch = "linux-i686";
-      sha512 = "2137ced68047439bfff22eaa7bccdeac3b0c30c7e71e3523c54f47a3127a8f0ecf6ff3a3ff789e05c5df525f3c3d32d616eb731f022fe063170d3c67e459b093";
+      sha256 = "147a51431333da2333e4ecb0b307d4c74b3d66a626340b6bc25ded8c22c1acf5";
     }
-    { url = "http://archive.mozilla.org/pub/firefox/releases/77.0.1/linux-i686/zh-TW/firefox-77.0.1.tar.bz2";
+    { url = "http://archive.mozilla.org/pub/firefox/releases/81.0/linux-i686/zh-TW/firefox-81.0.tar.bz2";
       locale = "zh-TW";
       arch = "linux-i686";
-      sha512 = "23efdb7382ea3483784589fe0cfb9919630f34e5418734de9bd52ad9e91438a4d86f8760b1c4a4c127e1fe05de19ed24aedd0e21c2bdb32c5ab62183bc32fb18";
+      sha256 = "e8d577aca0ac90285e9db278c2fc9eec1318407b830e4c231082b139320a4216";
     }
     ];
 }
diff --git a/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/update.nix b/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/update.nix
index d6593be8890c..03815a703321 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/update.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/firefox-bin/update.nix
@@ -47,12 +47,13 @@ in writeScript "update-${name}" ''
            grep -e "${if isBeta then "b" else ""}\([[:digit:]]\|[[:digit:]][[:digit:]]\)$" | ${if isBeta then "" else "grep -v \"b\" |"} \
            tail -1`
 
-  curl --silent -o $HOME/shasums "$url$version/SHA512SUMS"
-  curl --silent -o $HOME/shasums.asc "$url$version/SHA512SUMS.asc"
+  curl --silent -o $HOME/shasums "$url$version/SHA256SUMS"
+  curl --silent -o $HOME/shasums.asc "$url$version/SHA256SUMS.asc"
   gpgv --keyring=$GNUPGHOME/pubring.kbx $HOME/shasums.asc $HOME/shasums
 
-  # this is a list of sha512 and tarballs for both arches
-  shasums=`cat $HOME/shasums`
+  # this is a list of sha256 and tarballs for both arches
+  # Upstream files contains python repr strings like b'somehash', hence the sed dance
+  shasums=`cat $HOME/shasums | sed -E s/"b'([a-f0-9]{64})'?(.*)"/'\1\2'/`
 
   cat > $tmpfile <<EOF
   {
@@ -74,7 +75,7 @@ in writeScript "update-${name}" ''
       { url = "$url$version/`echo $line | cut -d":" -f3`";
         locale = "`echo $line | cut -d":" -f3 | sed "s/$arch\///" | sed "s/\/.*//"`";
         arch = "$arch";
-        sha512 = "`echo $line | cut -d":" -f1`";
+        sha256 = "`echo $line | cut -d":" -f1`";
       }
   EOF
     done
diff --git a/nixpkgs/pkgs/applications/networking/browsers/firefox/common.nix b/nixpkgs/pkgs/applications/networking/browsers/firefox/common.nix
index f4e2e067a01b..4a90acdb3ece 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/firefox/common.nix
@@ -145,10 +145,9 @@ buildStdenv.mkDerivation ({
   ++ lib.optional  alsaSupport alsaLib
   ++ lib.optional  pulseaudioSupport libpulseaudio # only headers are needed
   ++ lib.optional  gtk3Support gtk3
-  ++ lib.optional  waylandSupport libxkbcommon
   ++ lib.optional  gssSupport kerberos
   ++ lib.optional  ltoSupport llvmPackages.libunwind
-  ++ lib.optionals waylandSupport [ libxkbcommon ]
+  ++ lib.optionals waylandSupport [ libxkbcommon pipewire ]
   ++ lib.optionals pipewireSupport [ pipewire ]
   ++ lib.optionals (lib.versionAtLeast ffversion "82") [ gnum4 ]
   ++ lib.optionals buildStdenv.isDarwin [ CoreMedia ExceptionHandling Kerberos
diff --git a/nixpkgs/pkgs/applications/networking/browsers/firefox/no-buildconfig-min-65.patch b/nixpkgs/pkgs/applications/networking/browsers/firefox/no-buildconfig-min-65.patch
deleted file mode 100644
index 708004781efc..000000000000
--- a/nixpkgs/pkgs/applications/networking/browsers/firefox/no-buildconfig-min-65.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-diff --git a/docshell/base/nsAboutRedirector.cpp b/docshell/base/nsAboutRedirector.cpp
-index fe0a5af..3df1e0e 100644
---- a/docshell/base/nsAboutRedirector.cpp
-+++ b/docshell/base/nsAboutRedirector.cpp
-@@ -67,8 +67,6 @@ static const RedirEntry kRedirMap[] = {
-     {"about", "chrome://global/content/aboutAbout.xhtml", 0},
-     {"addons", "chrome://mozapps/content/extensions/extensions.xul",
-      nsIAboutModule::ALLOW_SCRIPT},
--    {"buildconfig", "chrome://global/content/buildconfig.html",
--     nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT},
-     {"checkerboard", "chrome://global/content/aboutCheckerboard.xhtml",
-      nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
-          nsIAboutModule::ALLOW_SCRIPT},
-diff --git a/toolkit/content/jar.mn b/toolkit/content/jar.mn
-index 2ec137d..579ef4d 100644
---- a/toolkit/content/jar.mn
-+++ b/toolkit/content/jar.mn
-@@ -36,7 +36,6 @@ toolkit.jar:
-    content/global/plugins.css
-    content/global/browser-child.js
-    content/global/browser-content.js
--*   content/global/buildconfig.html
-    content/global/buildconfig.css
-    content/global/contentAreaUtils.js
-    content/global/datepicker.xhtml
diff --git a/nixpkgs/pkgs/applications/networking/browsers/firefox/wrapper.nix b/nixpkgs/pkgs/applications/networking/browsers/firefox/wrapper.nix
index 27251ae661ba..424c45d305e8 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/firefox/wrapper.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/firefox/wrapper.nix
@@ -89,7 +89,7 @@ let
         comment = "";
         desktopName = "${desktopName}${nameSuffix}${lib.optionalString forceWayland " (Wayland)"}";
         genericName = "Web Browser";
-        categories = "Application;Network;WebBrowser;";
+        categories = "Network;WebBrowser;";
         mimeType = stdenv.lib.concatStringsSep ";" [
           "text/html"
           "text/xml"
diff --git a/nixpkgs/pkgs/applications/networking/browsers/google-chrome/default.nix b/nixpkgs/pkgs/applications/networking/browsers/google-chrome/default.nix
index fb30bbfd2b6c..fb261c286072 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/google-chrome/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/google-chrome/default.nix
@@ -6,6 +6,7 @@
 , alsaLib, libXdamage, libXtst, libXrandr, expat, cups
 , dbus, gtk2, gtk3, gdk-pixbuf, gcc-unwrapped, at-spi2-atk, at-spi2-core
 , kerberos, libdrm, mesa
+, libxkbcommon, wayland # ozone/wayland
 
 # Command line programs
 , coreutils
@@ -62,6 +63,7 @@ let
     flac harfbuzz icu libpng opusWithCustomModes snappy speechd
     bzip2 libcap at-spi2-atk at-spi2-core
     kerberos libdrm mesa coreutils
+    libxkbcommon wayland
   ] ++ optional pulseSupport libpulseaudio
     ++ [ gtk ];
 
@@ -72,7 +74,7 @@ in stdenv.mkDerivation {
 
   name = "google-chrome${suffix}-${version}";
 
-  src = chromium.upstream-info.binary;
+  src = chromium.chromeSrc;
 
   nativeBuildInputs = [ patchelf makeWrapper ];
   buildInputs = [
@@ -105,6 +107,12 @@ in stdenv.mkDerivation {
     cp -a opt/* $out/share
     cp -a usr/share/* $out/share
 
+    # To fix --use-gl=egl:
+    test -e $out/share/google/$appname/libEGL.so
+    ln -s libEGL.so $out/share/google/$appname/libEGL.so.1
+    test -e $out/share/google/$appname/libGLESv2.so
+    ln -s libGLESv2.so $out/share/google/$appname/libGLESv2.so.2
+
     substituteInPlace $out/share/applications/google-$appname.desktop \
       --replace /usr/bin/google-chrome-$dist $exe
     substituteInPlace $out/share/gnome-control-center/default-apps/google-$appname.xml \
@@ -113,9 +121,13 @@ in stdenv.mkDerivation {
       --replace /opt $out/share \
       --replace $out/share/google/$appname/google-$appname $exe
 
-    for icon_file in $out/share/google/chrome*/product_logo_*[0-9].png; do
+    for icon_file in $out/share/google/chrome*/product_logo_[0-9]*.png; do
       num_and_suffix="''${icon_file##*logo_}"
-      icon_size="''${num_and_suffix%.*}"
+      if [ $dist = "stable" ]; then
+        icon_size="''${num_and_suffix%.*}"
+      else
+        icon_size="''${num_and_suffix%_*}"
+      fi
       logo_output_prefix="$out/share/icons/hicolor"
       logo_output_path="$logo_output_prefix/''${icon_size}x''${icon_size}/apps"
       mkdir -p "$logo_output_path"
diff --git a/nixpkgs/pkgs/applications/networking/browsers/kristall/default.nix b/nixpkgs/pkgs/applications/networking/browsers/kristall/default.nix
index 34f23f452388..4028f8622c3c 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/kristall/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/kristall/default.nix
@@ -2,12 +2,12 @@
 
 mkDerivation rec {
   pname = "kristall";
-  version = "0.2";
+  version = "0.3";
   src = fetchFromGitHub {
     owner = "MasterQ32";
     repo = "kristall";
     rev = "V" + version;
-    sha256 = "08k3rg0sa91ra0nzla5rw806nnncnyvq1s7k09k5i74fvcsnpqyp";
+    sha256 = "07nf7w6ilzs5g6isnvsmhh4qa1zsprgjyf0zy7rhpx4ikkj8c8zq";
   };
 
   buildInputs = [ qtbase qtmultimedia ];
@@ -25,6 +25,7 @@ mkDerivation rec {
         "Graphical small-internet client, supports gemini, http, https, gopher, finger";
       homepage = "https://random-projects.net/projects/kristall.gemini";
       maintainers = with maintainers; [ ehmry ];
+      license = licenses.gpl3;
       inherit (qtmultimedia.meta) platforms;
     };
 }
diff --git a/nixpkgs/pkgs/applications/networking/browsers/links2/default.nix b/nixpkgs/pkgs/applications/networking/browsers/links2/default.nix
index d58fc8fd19bf..0db521f8ef59 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/links2/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/links2/default.nix
@@ -8,12 +8,12 @@
 }:
 
 stdenv.mkDerivation rec {
-  version = "2.20.2";
+  version = "2.21";
   pname = "links2";
 
   src = fetchurl {
     url = "${meta.homepage}/download/links-${version}.tar.bz2";
-    sha256 = "097ll98ympzfx7qfdyhc52yzvsp167x5nnjs6v8ih496wv80fksb";
+    sha256 = "0qqdcghsdqm7l6kyi0k752ws3ak5crw85pqkcb11wy67j62yspi8";
   };
 
   buildInputs = with stdenv.lib;
@@ -34,6 +34,7 @@ stdenv.mkDerivation rec {
     homepage = "http://links.twibright.com/";
     description = "A small browser with some graphics support";
     maintainers = with maintainers; [ raskin ];
+    license = licenses.gpl2Plus;
     platforms = platforms.unix;
   };
 }
diff --git a/nixpkgs/pkgs/applications/networking/browsers/luakit/default.nix b/nixpkgs/pkgs/applications/networking/browsers/luakit/default.nix
index bf10043e942e..3c391c9ffda2 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/luakit/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/luakit/default.nix
@@ -5,13 +5,13 @@
 
 stdenv.mkDerivation rec {
   pname = "luakit";
-  version = "2.1";
+  version = "2.2";
 
   src = fetchFromGitHub {
     owner = "luakit";
     repo = "luakit";
     rev = version;
-    sha256 = "05mm76g72fs48410pbij4mw0s3nqji3r7f3mnr2fvhv02xqj05aa";
+    sha256 = "sha256-rpHW5VyntmmtekdNcZMIw8Xdv4cfiqJaaHj4ZFFGjYc=";
   };
 
   nativeBuildInputs = [
@@ -54,9 +54,17 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Fast, small, webkit based browser framework extensible in Lua";
+    description = "Fast, small, webkit-based browser framework extensible in Lua";
+    longDescription = ''
+      Luakit is a highly configurable browser framework based on the WebKit web
+      content engine and the GTK+ toolkit. It is very fast, extensible with Lua,
+      and licensed under the GNU GPLv3 license. It is primarily targeted at
+      power users, developers and anyone who wants to have fine-grained control
+      over their web browser’s behaviour and interface.
+    '';
     homepage    = "https://luakit.github.io/";
-    license     = licenses.gpl3;
-    platforms   = platforms.linux; # Only tested linux
+    license     = licenses.gpl3Only;
+    platforms   = platforms.unix;
+    maintainers = [ maintainers.AndersonTorres ];
   };
 }
diff --git a/nixpkgs/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/default.nix b/nixpkgs/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/default.nix
index e967578a7cef..247b2457b5a0 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/default.nix
@@ -74,7 +74,7 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "flashplayer";
-  version = "32.0.0.387";
+  version = "32.0.0.433";
 
   src = fetchurl {
     url =
@@ -85,14 +85,14 @@ stdenv.mkDerivation rec {
     sha256 =
       if debug then
         if arch == "x86_64" then
-          "1wmk60lnlrj9f8dvk4b6j7pqyl00w00qbzbdw4awzx91wmgfc4x0"
+          "18hr026743swpdjjk7cg3hnpw2ws3q246xnkb326lyvv90wqlfni"
         else
-          "1afjxhi5jzn8zbkva940i9fayzxj1r3n6rqsiny02fpnv0waypfy"
+          "1yhyirii6rmnk420imaa160r9akarb3jrrlyas5a8d2y65gya71g"
       else
         if arch == "x86_64" then
-          "0si8rx955kyfsprk5465hfzafxvrdm7g686q7p5xykmh88nck6k2"
+          "0k80i98zkpf6r46y1aw2zg1dsgbirg6rc8q21vycpvln395jq0pf"
         else
-          "02pw2knvgdkahyp7lmy7fmynmplaz5wswdz48h3sdj6ibr066h97";
+          "1qw6hjwv9y7qr333k4nlpd7fwyzbsk833sx2slfgjfhsbipr7p3r";
   };
 
   nativeBuildInputs = [ unzip ];
diff --git a/nixpkgs/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/standalone.nix b/nixpkgs/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/standalone.nix
index 9d7d6eeeee86..996d298df581 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/standalone.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/standalone.nix
@@ -50,7 +50,7 @@
 
 stdenv.mkDerivation {
   pname = "flashplayer-standalone";
-  version = "32.0.0.387";
+  version = "32.0.0.433";
 
   src = fetchurl {
     url =
@@ -60,9 +60,9 @@ stdenv.mkDerivation {
         "https://fpdownload.macromedia.com/pub/flashplayer/updaters/32/flash_player_sa_linux.x86_64.tar.gz";
     sha256 =
       if debug then
-        "1yxdwmm2gz162rmc9hwlccqgq613gnrihjicnzgan4vk7hjlga5y"
+        "1ys523wwhvj96jph435lnyp07qzg9f70j349l7ggwgg96rflalpf"
       else
-        "0hm5is3giz45a4v9m77q0i1dgyhpqqkagpjndbnynsnl9a61r0ly";
+        "1ycw2amis7yvidc6q87gls6rb305p89pr7mhzknc10v0nh34781m";
   };
 
   nativeBuildInputs = [ unzip ];
diff --git a/nixpkgs/pkgs/applications/networking/browsers/next/next-gtk-webkit.nix b/nixpkgs/pkgs/applications/networking/browsers/next/next-gtk-webkit.nix
index 8039c5492408..316913be000c 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/next/next-gtk-webkit.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/next/next-gtk-webkit.nix
@@ -27,8 +27,12 @@ stdenv.mkDerivation rec {
     gsettings-desktop-schemas
     gtk3
     webkitgtk
-    gst_all_1.gst-plugins-base
     gst_all_1.gstreamer
+    gst_all_1.gst-libav
+    gst_all_1.gst-plugins-base
+    gst_all_1.gst-plugins-good
+    gst_all_1.gst-plugins-bad
+    gst_all_1.gst-plugins-ugly
   ];
 
   makeFlags = [
diff --git a/nixpkgs/pkgs/applications/networking/browsers/opera/default.nix b/nixpkgs/pkgs/applications/networking/browsers/opera/default.nix
index 686ffee91488..eefe7af26a1b 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/opera/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/opera/default.nix
@@ -47,11 +47,11 @@ let
 in stdenv.mkDerivation rec {
 
   pname = "opera";
-  version = "67.0.3575.31";
+  version = "68.0.3618.63";
 
   src = fetchurl {
     url = "${mirror}/${version}/linux/${pname}-stable_${version}_amd64.deb";
-    sha256 = "1ghygin7xf5lwd77s8f6bag339di4alwlkqwjzlq20wzwx4lns4w";
+    sha256 = "1643043ywz94x2yr7xyw7krfq53iwkr8qxlbydzq6zb2zina7jxd";
   };
 
   unpackCmd = "${dpkg}/bin/dpkg-deb -x $curSrc .";
@@ -104,7 +104,7 @@ in stdenv.mkDerivation rec {
     # This is a little tricky. Without it the app starts then crashes. Then it
     # brings up the crash report, which also crashes. `strace -f` hints at a
     # missing libudev.so.0.
-    systemd.lib
+    (lib.getLib systemd)
   ];
 
   installPhase = ''
diff --git a/nixpkgs/pkgs/applications/networking/browsers/palemoon/default.nix b/nixpkgs/pkgs/applications/networking/browsers/palemoon/default.nix
index 8d51f5c888ad..9f2eda4c3baf 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/palemoon/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/palemoon/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchgit, makeDesktopItem
+{ stdenv, lib, fetchFromGitHub, writeScript, desktop-file-utils
 , pkgconfig, autoconf213, alsaLib, bzip2, cairo
 , dbus, dbus-glib, ffmpeg_3, file, fontconfig, freetype
 , gnome2, gnum4, gtk2, hunspell, libevent, libjpeg
@@ -11,40 +11,38 @@
 
 let
 
-  libPath = lib.makeLibraryPath [ ffmpeg_3 ];
+  libPath = lib.makeLibraryPath [ ffmpeg_3 libpulseaudio ];
   gtkVersion = if withGTK3 then "3" else "2";
 
 in stdenv.mkDerivation rec {
   pname = "palemoon";
-  version = "28.10.0";
+  version = "28.13.0";
 
-  src = fetchgit {
-    url = "https://github.com/MoonchildProductions/Pale-Moon.git";
+  src = fetchFromGitHub {
+    owner = "MoonchildProductions";
+    repo = "Pale-Moon";
     rev = "${version}_Release";
-    sha256 = "0c64vmrp46sbl1dgl9dq2vkmpgz9gvgd59dk02jqwyhx4lln1g2l";
+    sha256 = "1lza6239kb32wnwd9cwddn11npg1qx7p69l7qy63h9c59w29iypa";
     fetchSubmodules = true;
   };
 
-  desktopItem = makeDesktopItem {
-    name = "palemoon";
-    exec = "palemoon %U";
-    icon = "palemoon";
-    desktopName = "Pale Moon";
-    genericName = "Web Browser";
-    categories = "Application;Network;WebBrowser;";
-    mimeType = lib.concatStringsSep ";" [
-      "text/html"
-      "text/xml"
-      "application/xhtml+xml"
-      "application/vnd.mozilla.xul+xml"
-      "x-scheme-handler/http"
-      "x-scheme-handler/https"
-      "x-scheme-handler/ftp"
-    ];
-  };
+  passthru.updateScript = writeScript "update-${pname}" ''
+    #!/usr/bin/env nix-shell
+    #!nix-shell -i bash -p common-updater-scripts curl libxml2
+
+    set -eu -o pipefail
+
+    # Only release note announcement == finalized release
+    version="$(
+      curl -s 'http://www.palemoon.org/releasenotes.shtml' |
+      xmllint --html --xpath 'html/body/table/tbody/tr/td/h3/text()' - 2>/dev/null | head -n1 |
+      sed 's/v\(\S*\).*/\1/'
+    )"
+    update-source-version ${pname} "$version"
+  '';
 
   nativeBuildInputs = [
-    file gnum4 makeWrapper perl pkgconfig python2 wget which
+    desktop-file-utils file gnum4 makeWrapper perl pkgconfig python2 wget which
   ];
 
   buildInputs = [
@@ -90,12 +88,16 @@ in stdenv.mkDerivation rec {
     ac_add_options --disable-debug
     ac_add_options --disable-necko-wifi
     ac_add_options --disable-updater
+
     ac_add_options --with-pthreads
 
     # Please see https://www.palemoon.org/redist.shtml for restrictions when using the official branding.
     ac_add_options --enable-official-branding
     export MOZILLA_OFFICIAL=1
 
+    # For versions after 28.12.0
+    ac_add_options --enable-phoenix-extensions
+
     ac_add_options --x-libraries=${lib.makeLibraryPath [ xorg.libX11 ]}
 
     export MOZ_PKG_SPECIAL=gtk$_GTK_VERSION
@@ -106,7 +108,7 @@ in stdenv.mkDerivation rec {
 
     ac_add_options --prefix=$out
 
-    mk_add_options MOZ_MAKE_FLAGS="-j$NIX_BUILD_CORES"
+    mk_add_options MOZ_MAKE_FLAGS="-j${if enableParallelBuilding then "$NIX_BUILD_CORES" else "1"}"
     mk_add_options AUTOCONF=${autoconf213}/bin/autoconf
     '
   '';
@@ -116,14 +118,13 @@ in stdenv.mkDerivation rec {
   installPhase = ''
     $src/mach install
 
-    mkdir -p $out/share/applications
-    cp ${desktopItem}/share/applications/* $out/share/applications
+    desktop-file-install --dir=$out/share/applications \
+      $src/palemoon/branding/official/palemoon.desktop
 
-    for n in 16 22 24 32 48 256; do
+    for iconname in default{16,22,24,32,48,256} mozicon128; do
+      n=''${iconname//[^0-9]/}
       size=$n"x"$n
-      mkdir -p $out/share/icons/hicolor/$size/apps
-      cp $src/palemoon/branding/official/default$n.png \
-         $out/share/icons/hicolor/$size/apps/palemoon.png
+      install -Dm644 $src/palemoon/branding/official/$iconname.png $out/share/icons/hicolor/$size/apps/palemoon.png
     done
 
     wrapProgram $out/lib/palemoon-${version}/palemoon \
diff --git a/nixpkgs/pkgs/applications/networking/browsers/qutebrowser/default.nix b/nixpkgs/pkgs/applications/networking/browsers/qutebrowser/default.nix
index 773585183515..69ca08e990c7 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/qutebrowser/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/qutebrowser/default.nix
@@ -1,32 +1,42 @@
-{ stdenv, lib, fetchurl, fetchzip, python3Packages
+{ stdenv, lib, fetchurl, fetchzip, python3
 , mkDerivationWith, wrapQtAppsHook, wrapGAppsHook, qtbase, glib-networking
 , asciidoc, docbook_xml_dtd_45, docbook_xsl, libxml2
 , libxslt, gst_all_1 ? null
-, withPdfReader        ? true
-, withMediaPlayback    ? true
+, withPdfReader      ? true
+, withMediaPlayback  ? true
+, backend            ? "webengine"
 }:
 
 assert withMediaPlayback -> gst_all_1 != null;
 
 let
+  python3Packages = python3.pkgs;
   pdfjs = let
-    version = "2.3.200";
+    version = "2.4.456";
   in
   fetchzip rec {
     name = "pdfjs-${version}";
     url = "https://github.com/mozilla/pdf.js/releases/download/v${version}/${name}-dist.zip";
-    sha256 = "1fpxsw0hzahccyng08acvc7g0gk29j2x701p6w6fg1718mvcrm1q";
+    sha256 = "02hpy96pi06gdq2s7n56ycm34d6d3gf8ly22y366np5vpwmc29rx";
     stripRoot = false;
   };
 
+  backendPackage =
+   if backend == "webengine" then python3Packages.pyqtwebengine else
+   if backend == "webkit"    then python3Packages.pyqt5_with_qtwebkit else
+   throw ''
+     Unknown qutebrowser backend "${backend}".
+     Valid choices are qtwebengine (recommended) or qtwebkit.
+   '';
+
 in mkDerivationWith python3Packages.buildPythonApplication rec {
   pname = "qutebrowser";
-  version = "1.12.0";
+  version = "1.13.1";
 
   # the release tarballs are different from the git checkout!
   src = fetchurl {
     url = "https://github.com/qutebrowser/qutebrowser/releases/download/v${version}/${pname}-${version}.tar.gz";
-    sha256 = "0pywyhi4v6ymxpn85grrdr1agmcxsnm5jfqf3rlxqx5swbnxbfs1";
+    sha256 = "1n72dvrv4dch4i07lsis76p7g16a039fwx8rk7w8q9f60wgqb5i8";
   };
 
   # Needs tox
@@ -46,22 +56,20 @@ in mkDerivationWith python3Packages.buildPythonApplication rec {
   ];
 
   propagatedBuildInputs = with python3Packages; [
-    pyyaml pyqt5 pyqtwebengine jinja2 pygments
+    pyyaml backendPackage jinja2 pygments
     pypeg2 cssutils pyopengl attrs setuptools
     # scripts and userscripts libs
     tldextract beautifulsoup4
     pyreadability pykeepass stem
   ];
 
-  patches = [
-    ./fix-restart.patch
-  ];
+  patches = [ ./fix-restart.patch ];
 
   dontWrapGApps = true;
   dontWrapQtApps = true;
 
   postPatch = ''
-    substituteInPlace qutebrowser/app.py --subst-var-by qutebrowser "$out/bin/qutebrowser"
+    substituteInPlace qutebrowser/misc/quitter.py --subst-var-by qutebrowser "$out/bin/qutebrowser"
 
     sed -i "s,/usr/share/,$out/share/,g" qutebrowser/utils/standarddir.py
   '' + lib.optionalString withPdfReader ''
@@ -101,7 +109,8 @@ in mkDerivationWith python3Packages.buildPythonApplication rec {
   postFixup = ''
     wrapProgram $out/bin/qutebrowser \
       "''${gappsWrapperArgs[@]}" \
-      "''${qtWrapperArgs[@]}"
+      "''${qtWrapperArgs[@]}" \
+      --add-flags '--backend ${backend}'
   '';
 
   meta = with stdenv.lib; {
diff --git a/nixpkgs/pkgs/applications/networking/browsers/qutebrowser/fix-restart.patch b/nixpkgs/pkgs/applications/networking/browsers/qutebrowser/fix-restart.patch
index d54a37fe71fe..828fa5e107c9 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/qutebrowser/fix-restart.patch
+++ b/nixpkgs/pkgs/applications/networking/browsers/qutebrowser/fix-restart.patch
@@ -1,4 +1,4 @@
-diff --git a/quitter.py b/quitterb.py
+diff --git a/quitter.py b/quitter.py
 index a42b9d0..f544ccb 100644
 --- a/qutebrowser/misc/quitter.py
 +++ b/qutebrowser/misc/quitter.py
diff --git a/nixpkgs/pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix b/nixpkgs/pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix
index 1b4fa5ef595a..d8a2e0429938 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix
@@ -46,7 +46,8 @@
 
 # Hardening
 , graphene-hardened-malloc
-, useHardenedMalloc ? graphene-hardened-malloc != null && builtins.elem stdenv.system graphene-hardened-malloc.meta.platforms
+# crashes with intel driver
+, useHardenedMalloc ? false
 
 # Whether to disable multiprocess support to work around crashing tabs
 # TODO: fix the underlying problem instead of this terrible work-around
@@ -90,19 +91,19 @@ let
   fteLibPath = makeLibraryPath [ stdenv.cc.cc gmp ];
 
   # Upstream source
-  version = "9.5";
+  version = "10.0";
 
   lang = "en-US";
 
   srcs = {
     x86_64-linux = fetchurl {
       url = "https://dist.torproject.org/torbrowser/${version}/tor-browser-linux64-${version}_${lang}.tar.xz";
-      sha256 = "0l4fz2zkgwv2qniia4nv53a4pd79hfbgb66jn68r44diails1z08";
+      sha256 = "1l2rfknffnh6hsi16dzps1wav5s723vyk57fzv9y5vjmbcbf7l2l";
     };
 
     i686-linux = fetchurl {
       url = "https://dist.torproject.org/torbrowser/${version}/tor-browser-linux32-${version}_${lang}.tar.xz";
-      sha256 = "1h4awhyaiws68s727pq9r32xqg2878dl2df4kbc2nmllwrl2fxq3";
+      sha256 = "0x80w02ckb6mznrm1gjdpkxk9yf2rdcl16ljjglivq358a309cl2";
     };
   };
 in
@@ -403,7 +404,7 @@ stdenv.mkDerivation rec {
     homepage = "https://www.torproject.org/";
     changelog = "https://gitweb.torproject.org/builders/tor-browser-build.git/plain/projects/tor-browser/Bundle-Data/Docs/ChangeLog.txt?h=maint-${version}";
     platforms = attrNames srcs;
-    maintainers = with maintainers; [ offline matejc doublec thoughtpolice joachifm hax404 cap ];
+    maintainers = with maintainers; [ offline matejc doublec thoughtpolice joachifm hax404 cap KarlJoad ];
     hydraPlatforms = [];
     # MPL2.0+, GPL+, &c.  While it's not entirely clear whether
     # the compound is "libre" in a strict sense (some components place certain
diff --git a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/common.nix b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/common.nix
index a5bea6cf34a9..421d6bb745a0 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/common.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/common.nix
@@ -1,10 +1,10 @@
-{ stdenv, llvmPackages, gnChromium, ninja, which, nodejs, fetchpatch, gnutar
+{ stdenv, lib, llvmPackages, gnChromium, ninja, which, nodejs, fetchpatch, fetchurl
 
 # default dependencies
-, bzip2, flac, speex, libopus
+, gnutar, bzip2, flac, speex, libopus
 , libevent, expat, libjpeg, snappy
 , libpng, libcap
-, xdg_utils, yasm, minizip, libwebp
+, xdg_utils, yasm, nasm, minizip, libwebp
 , libusb1, pciutils, nss, re2, zlib
 
 , python2Packages, perl, pkgconfig
@@ -13,10 +13,12 @@
 , bison, gperf
 , glib, gtk3, dbus-glib
 , glibc
+, xorg
 , libXScrnSaver, libXcursor, libXtst, libGLU, libGL
 , protobuf, speechd, libXdamage, cups
 , ffmpeg_3, libxslt, libxml2, at-spi2-core
-, jre
+, jre8
+, pipewire_0_2
 
 # optional dependencies
 , libgcrypt ? null # gnomeSupport || cupsSupport
@@ -39,6 +41,7 @@
 , ungoogled-chromium
 , ungoogled ? false
 
+, channel
 , upstream-info
 }:
 
@@ -49,6 +52,8 @@ with stdenv.lib;
 # see http://www.linuxfromscratch.org/blfs/view/cvs/xsoft/chromium.html
 
 let
+  jre = jre8; # TODO: remove override https://github.com/NixOS/nixpkgs/pull/89731
+
   # The additional attributes for creating derivations based on the chromium
   # source tree.
   extraAttrs = buildFun base;
@@ -74,7 +79,7 @@ let
     in attrs: concatStringsSep " " (attrValues (mapAttrs toFlag attrs));
 
   gnSystemLibraries = [
-    "flac" "libwebp" "libxslt" "yasm" "opus" "snappy" "libpng"
+    "flac" "libwebp" "libxslt" "opus" "snappy" "libpng"
     # "zlib" # version 77 reports unresolved dependency on //third_party/zlib:zlib_config
     # "libjpeg" # fails with multiple undefined references to chromium_jpeg_*
     # "re2" # fails with linker errors
@@ -91,9 +96,10 @@ let
     bzip2 flac speex opusWithCustomModes
     libevent expat libjpeg snappy
     libpng libcap
-    xdg_utils yasm minizip libwebp
+    xdg_utils minizip libwebp
     libusb1 re2 zlib
     ffmpeg_3 libxslt libxml2
+    nasm
     # harfbuzz # in versions over 63 harfbuzz and freetype are being built together
                # so we can't build with one from system and other from source
   ];
@@ -107,7 +113,7 @@ let
   versionRange = min-version: upto-version:
     let inherit (upstream-info) version;
         result = versionAtLeast version min-version && versionOlder version upto-version;
-        stable-version = (import ./upstream-info.nix).stable.version;
+        stable-version = (importJSON ./upstream-info.json).stable.version;
     in if versionAtLeast stable-version upto-version
        then warn "chromium: stable version ${stable-version} is newer than a patchset bounded at ${upto-version}. You can safely delete it."
             result
@@ -120,16 +126,20 @@ let
     };
   base = rec {
     name = "${packageName}-unwrapped-${version}";
-    inherit (upstream-info) channel version;
-    inherit packageName buildType buildPath;
+    inherit (upstream-info) version;
+    inherit channel packageName buildType buildPath;
 
-    src = upstream-info.main;
+    src = fetchurl {
+      url = "https://commondatastorage.googleapis.com/chromium-browser-official/chromium-${version}.tar.xz";
+      inherit (upstream-info) sha256;
+    };
 
     nativeBuildInputs = [
       ninja which python2Packages.python perl pkgconfig
       python2Packages.ply python2Packages.jinja2 nodejs
-      gnutar
-    ] ++ optional (versionAtLeast version "83") python2Packages.setuptools;
+      gnutar python2Packages.setuptools
+      (xorg.xcbproto.override { python = python2Packages.python; })
+    ];
 
     buildInputs = defaultDependencies ++ [
       nspr nss systemd
@@ -139,6 +149,7 @@ let
       libXScrnSaver libXcursor libXtst libGLU libGL
       pciutils protobuf speechd libXdamage at-spi2-core
       jre
+      pipewire_0_2
     ] ++ optional useVaapi libva
       ++ optional gnomeKeyringSupport libgnome-keyring3
       ++ optionals gnomeSupport [ gnome.GConf libgcrypt ]
@@ -146,8 +157,9 @@ let
       ++ optional pulseSupport libpulseaudio
       ++ optionals useOzone [ libdrm wayland mesa_drivers libxkbcommon ];
 
-    patches = [
+    patches = optionals (versionRange "68" "86") [
       ./patches/nix_plugin_paths_68.patch
+    ] ++ [
       ./patches/remove-webp-include-69.patch
       ./patches/no-build-timestamps.patch
       ./patches/widevine-79.patch
@@ -161,15 +173,18 @@ let
       #
       # ++ optionals (channel == "dev") [ ( githubPatch "<patch>" "0000000000000000000000000000000000000000000000000000000000000000" ) ]
       # ++ optional (versionRange "68" "72") ( githubPatch "<patch>" "0000000000000000000000000000000000000000000000000000000000000000" )
-    ] ++ optionals (useVaapi) ([ # Fixes for the VA-API build:
+    ] ++ optionals (useVaapi && versionRange "68" "86") [ # Improvements for the VA-API build:
       ./patches/enable-vdpau-support-for-nvidia.patch # https://aur.archlinux.org/cgit/aur.git/tree/vdpau-support.patch?h=chromium-vaapi
       ./patches/enable-video-acceleration-on-linux.patch # Can be controlled at runtime (i.e. without rebuilding Chromium)
-    ] ++ optionals (versionRange "81" "82") [
-      (githubPatch "5b2ff215473e0526b5b24aeff4ad90d369b21c75" "0n00vh8wfpn2ay5fqsxcsx0zadnv7mihm72bcvnrfzh75nzbg902")
-      (githubPatch "98e343ab369e4262511b5fce547728e3e5eefba8" "00wwp653jk0k0yvix00vr7ymgck9dj7fxjwx4nc67ynn84dh6064")
-    ]);
-
-    postPatch = ''
+    ];
+
+    postPatch = optionalString (!versionRange "0" "86") ''
+      # Required for patchShebangs (unsupported interpreter directive, basename: invalid option -- '*', etc.):
+      substituteInPlace native_client/SConstruct \
+        --replace "#! -*- python -*-" ""
+      substituteInPlace third_party/harfbuzz-ng/src/src/update-unicode-tables.make \
+        --replace "/usr/bin/env -S make -f" "/usr/bin/make -f"
+    '' + ''
       # We want to be able to specify where the sandbox is via CHROME_DEVEL_SANDBOX
       substituteInPlace sandbox/linux/suid/client/setuid_sandbox_host.cc \
         --replace \
@@ -187,10 +202,15 @@ let
           '/usr/share/locale/' \
           '${glibc}/share/locale/'
 
+      substituteInPlace ui/gfx/x/BUILD.gn \
+        --replace \
+          '/usr/share/xcb' \
+          '${xorg.xcbproto}/share/xcb/'
+
       sed -i -e 's@"\(#!\)\?.*xdg-@"\1${xdg_utils}/bin/xdg-@' \
         chrome/browser/shell_integration_linux.cc
 
-      sed -i -e '/lib_loader.*Load/s!"\(libudev\.so\)!"${systemd.lib}/lib/\1!' \
+      sed -i -e '/lib_loader.*Load/s!"\(libudev\.so\)!"${lib.getLib systemd}/lib/\1!' \
         device/udev_linux/udev?_loader.cc
 
       sed -i -e '/libpci_loader.*Load/s!"\(libpci\.so\)!"${pciutils}/lib/\1!' \
@@ -239,7 +259,6 @@ let
     '';
 
     gnFlags = mkGnFlags ({
-      linux_use_bundled_binutils = false;
       use_lld = false;
       use_gold = true;
       gold_path = "${stdenv.cc}/bin";
@@ -257,6 +276,8 @@ let
       # added later in the wrapped -wv build or downloaded from Google.
       enable_widevine = true;
       use_cups = cupsSupport;
+      # Provides the enable-webrtc-pipewire-capturer flag to support Wayland screen capture.
+      rtc_use_pipewire = true;
 
       treat_warnings_as_errors = false;
       is_clang = stdenv.cc.isClang;
@@ -292,8 +313,8 @@ let
       use_system_libdrm = true;
       system_wayland_scanner_path = "${wayland}/bin/wayland-scanner";
     } // optionalAttrs ungoogled {
-      closure_compile = false;
       enable_hangout_services_extension = false;
+      enable_js_type_check = false;
       enable_mdns = false;
       enable_nacl_nonsfi = false;
       enable_one_click_signin = false;
@@ -305,7 +326,6 @@ let
       google_api_key = "";
       google_default_client_id = "";
       google_default_client_secret = "";
-      optimize_webui = false;
       safe_browsing_mode = 0;
       use_official_google_api_keys = false;
       use_unofficial_version_number = false;
@@ -358,9 +378,11 @@ let
       origRpath="$(patchelf --print-rpath "$chromiumBinary")"
       patchelf --set-rpath "${libGL}/lib:$origRpath" "$chromiumBinary"
     '';
+
+    passthru.updateScript = ./update.py;
   };
 
 # Remove some extraAttrs we supplied to the base attributes already.
 in stdenv.mkDerivation (base // removeAttrs extraAttrs [
   "name" "gnFlags" "buildTargets"
-])
+] // { passthru = base.passthru // (extraAttrs.passthru or {}); })
diff --git a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/default.nix b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/default.nix
index 9d6c7fada709..7c581ee633f6 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/default.nix
@@ -1,8 +1,9 @@
-{ newScope, config, stdenv, llvmPackages_9, llvmPackages_10
-, makeWrapper, ed
+{ newScope, config, stdenv, fetchurl, makeWrapper
+, llvmPackages_10, llvmPackages_11, ed, gnugrep, coreutils, xdg_utils
 , glib, gtk3, gnome3, gsettings-desktop-schemas, gn, fetchgit
 , libva ? null
-, gcc, nspr, nss, patchelfUnstable, runCommand
+, pipewire_0_2
+, gcc, nspr, nss, runCommand
 , lib
 
 # package customization
@@ -23,30 +24,48 @@
 }:
 
 let
-  llvmPackages = if channel != "stable"
-    then llvmPackages_10
-    else llvmPackages_9;
+  llvmPackages = llvmPackages_10;
   stdenv = llvmPackages.stdenv;
 
   callPackage = newScope chromium;
 
-  chromium = {
+  chromium = rec {
     inherit stdenv llvmPackages;
 
-    upstream-info = (callPackage ./update.nix {}).getChannel channel;
+    upstream-info = (lib.importJSON ./upstream-info.json).${channel};
 
     mkChromiumDerivation = callPackage ./common.nix ({
-      inherit gnome gnomeSupport gnomeKeyringSupport proprietaryCodecs cupsSupport pulseSupport useOzone;
+      inherit channel gnome gnomeSupport gnomeKeyringSupport proprietaryCodecs
+              cupsSupport pulseSupport useOzone;
       inherit ungoogled;
-      gnChromium = gn;
-    } // lib.optionalAttrs (channel != "stable") {
       # TODO: Remove after we can update gn for the stable channel (backward incompatible changes):
       gnChromium = gn.overrideAttrs (oldAttrs: {
-        version = "2020-03-23";
+        version = "2020-05-19";
         src = fetchgit {
           url = "https://gn.googlesource.com/gn";
-          rev = "5ed3c9cc67b090d5e311e4bd2aba072173e82db9";
-          sha256 = "00y2d35wvqmx9glaqhfb62wdgbfpwr77v0934nnvh9ks71vnsjqy";
+          rev = "d0a6f072070988e7b038496c4e7d6c562b649732";
+          sha256 = "0197msabskgfbxvhzq73gc3wlr3n9cr4bzrhy5z5irbvy05lxk17";
+        };
+      });
+    } // lib.optionalAttrs (lib.versionAtLeast upstream-info.version "86") {
+      llvmPackages = llvmPackages_11;
+      gnChromium = gn.overrideAttrs (oldAttrs: {
+        version = "2020-07-20";
+        src = fetchgit {
+          url = "https://gn.googlesource.com/gn";
+          rev = "3028c6a426a4aaf6da91c4ebafe716ae370225fe";
+          sha256 = "0h3wf4152zdvrbb0jbj49q6814lfl3rcy5mj8b2pl9s0ahvkbc6q";
+        };
+      });
+    } // lib.optionalAttrs (lib.versionAtLeast upstream-info.version "87") {
+      llvmPackages = llvmPackages_11;
+      useOzone = true; # YAY: https://chromium-review.googlesource.com/c/chromium/src/+/2382834 \o/
+      gnChromium = gn.overrideAttrs (oldAttrs: {
+        version = "2020-08-17";
+        src = fetchgit {
+          url = "https://gn.googlesource.com/gn";
+          rev = "6f13aaac55a977e1948910942675c69f2b4f7a94";
+          sha256 = "01hpma1sllpdx09mvr4d6073sg6zmk6iv44kd3r28khymcj4s251";
         };
       });
     });
@@ -60,24 +79,33 @@ let
     ungoogled-chromium = callPackage ./ungoogled.nix {};
   };
 
+  pkgSuffix = if channel == "dev" then "unstable" else channel;
+  pkgName = "google-chrome-${pkgSuffix}";
+  chromeSrc = fetchurl {
+    urls = map (repo: "${repo}/${pkgName}/${pkgName}_${version}-1_amd64.deb") [
+      "https://dl.google.com/linux/chrome/deb/pool/main/g"
+      "http://95.31.35.30/chrome/pool/main/g"
+      "http://mirror.pcbeta.com/google/chrome/deb/pool/main/g"
+      "http://repo.fdzh.org/chrome/deb/pool/main/g"
+    ];
+    sha256 = chromium.upstream-info.sha256bin64;
+  };
+
   mkrpath = p: "${lib.makeSearchPathOutput "lib" "lib64" p}:${lib.makeLibraryPath p}";
-  widevineCdm = let upstream-info = chromium.upstream-info; in stdenv.mkDerivation {
+  widevineCdm = stdenv.mkDerivation {
     name = "chrome-widevine-cdm";
 
-    # The .deb file for Google Chrome
-    src = upstream-info.binary;
-
-    nativeBuildInputs = [ patchelfUnstable ];
+    src = chromeSrc;
 
     phases = [ "unpackPhase" "patchPhase" "installPhase" "checkPhase" ];
 
     unpackCmd = let
       widevineCdmPath =
-        if upstream-info.channel == "stable" then
+        if channel == "stable" then
           "./opt/google/chrome/WidevineCdm"
-        else if upstream-info.channel == "beta" then
+        else if channel == "beta" then
           "./opt/google/chrome-beta/WidevineCdm"
-        else if upstream-info.channel == "dev" then
+        else if channel == "dev" then
           "./opt/google/chrome-unstable/WidevineCdm"
         else
           throw "Unknown chromium channel.";
@@ -142,7 +170,7 @@ let
       (!enableVaapi)
       "--add-flags --disable-accelerated-video-decode --add-flags --disable-accelerated-video-encode";
 in stdenv.mkDerivation {
-  name = "chromium${suffix}-${version}";
+  name = "ungoogled-chromium${suffix}-${version}";
   inherit version;
 
   buildInputs = [
@@ -160,7 +188,7 @@ in stdenv.mkDerivation {
   buildCommand = let
     browserBinary = "${chromiumWV}/libexec/chromium/chromium";
     getWrapperFlags = plugin: "$(< \"${plugin}/nix-support/wrapper-flags\")";
-    libPath = stdenv.lib.makeLibraryPath [ libva ];
+    libPath = stdenv.lib.makeLibraryPath [ libva pipewire_0_2 ];
 
   in with stdenv.lib; ''
     mkdir -p "$out/bin"
@@ -187,10 +215,13 @@ in stdenv.mkDerivation {
   '' + ''
 
     # libredirect causes chromium to deadlock on startup
-    export LD_PRELOAD="\$(echo -n "\$LD_PRELOAD" | tr ':' '\n' | grep -v /lib/libredirect\\\\.so$ | tr '\n' ':')"
+    export LD_PRELOAD="\$(echo -n "\$LD_PRELOAD" | ${coreutils}/bin/tr ':' '\n' | ${gnugrep}/bin/grep -v /lib/libredirect\\\\.so$ | ${coreutils}/bin/tr '\n' ':')"
 
     export XDG_DATA_DIRS=$XDG_ICON_DIRS:$GSETTINGS_SCHEMAS_PATH\''${XDG_DATA_DIRS:+:}\$XDG_DATA_DIRS
 
+    # Mainly for xdg-open but also other xdg-* tools:
+    export PATH="${xdg_utils}/bin\''${PATH:+:}\$PATH"
+
     .
     w
     EOF
@@ -210,6 +241,7 @@ in stdenv.mkDerivation {
   passthru = {
     inherit (chromium) upstream-info browser;
     mkDerivation = chromium.mkChromiumDerivation;
-    inherit sandboxExecutableName;
+    inherit chromeSrc sandboxExecutableName;
+    updateScript = ./update.py;
   };
 }
diff --git a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/patches/enable-vdpau-support-for-nvidia.patch b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/patches/enable-vdpau-support-for-nvidia.patch
index b5372d1a2556..8d879de7bfd8 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/patches/enable-vdpau-support-for-nvidia.patch
+++ b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/patches/enable-vdpau-support-for-nvidia.patch
@@ -31,15 +31,6 @@
    // TODO(crbug.com/912295): Enable a better BufferAllocationMode for IMPORT
    // |output_mode_| as well.
    if (output_mode_ == VideoDecodeAccelerator::Config::OutputMode::IMPORT)
-@@ -1105,7 +1113,7 @@ VaapiVideoDecodeAccelerator::DecideBufferAllocationMode() {
-   // depends on the bitstream and sometimes it's not enough to cover the amount
-   // of frames needed by the client pipeline (see b/133733739).
-   // TODO(crbug.com/911754): Enable for VP9 Profile 2.
--  if (IsGeminiLakeOrLater() &&
-+  if (false && IsGeminiLakeOrLater() &&
-       (profile_ == VP9PROFILE_PROFILE0 || profile_ == VP8PROFILE_ANY)) {
-     // Add one to the reference frames for the one being currently egressed, and
-     // an extra allocation for both |client_| and |decoder_|, see
 --- a/media/gpu/vaapi/vaapi_video_decode_accelerator.h
 +++ b/media/gpu/vaapi/vaapi_video_decode_accelerator.h
 @@ -204,6 +204,7 @@ class MEDIA_GPU_EXPORT VaapiVideoDecodeAccelerator
diff --git a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/plugins.nix b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/plugins.nix
index d45a3c9f864a..530a4c8a4aea 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/plugins.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/plugins.nix
@@ -4,7 +4,6 @@
 , nspr
 , nss
 , fetchzip
-, patchelfUnstable
 , enablePepperFlash ? false
 
 , upstream-info
@@ -45,11 +44,11 @@ let
 
   flash = stdenv.mkDerivation rec {
     pname = "flashplayer-ppapi";
-    version = "32.0.0.371";
+    version = "32.0.0.433";
 
     src = fetchzip {
       url = "https://fpdownload.adobe.com/pub/flashplayer/pdc/${version}/flash_player_ppapi_linux.x86_64.tar.gz";
-      sha256 = "1nks2wx74b21hv0l7bnrzkxn7c6p6r8zgwbqvy3cqpi8famyr5v9";
+      sha256 = "1wfwnmai6wnwi6cfxwqix6n471jjyl6nc7p67sa7cfqwg16b53kx";
       stripRoot = false;
     };
 
diff --git a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/ungoogled-src.nix b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/ungoogled-src.nix
index c393f7fe28ec..73f4e4c9e83d 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/ungoogled-src.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/ungoogled-src.nix
@@ -1,6 +1,6 @@
 {
-  "81.0.4044.138" = {
-    rev = "81.0.4044.138-1";
-    sha256 = "1qa5lw2psaqxr2zklaldx4sm6by4gsw3mfrp01ijc4kkp9jmvg7r";
+  "85.0.4183.102" = {
+    rev = "85.0.4183.102-1";
+    sha256 = "1mdx4a5zcs3an9yx1jxx4amq8p9rcj0hv76r8y7nz6cpsfgd9n3y";
   };
 }
diff --git a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/update.nix b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/update.nix
deleted file mode 100644
index 6dff17c69ddb..000000000000
--- a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/update.nix
+++ /dev/null
@@ -1,271 +0,0 @@
-let maybePkgs = import ../../../../../. {}; in
-
-{ stdenv     ? maybePkgs.stdenv
-, runCommand ? maybePkgs.runCommand
-, fetchurl   ? maybePkgs.fetchurl
-, writeText  ? maybePkgs.writeText
-, curl       ? maybePkgs.curl
-, cacert     ? maybePkgs.cacert
-, nix        ? maybePkgs.nix
-}:
-
-let
-  inherit (stdenv) lib;
-
-  sources = if builtins.pathExists ./upstream-info.nix
-            then import ./upstream-info.nix
-            else {};
-
-  bucketURL = "https://commondatastorage.googleapis.com/"
-            + "chromium-browser-official";
-
-  mkVerURL = version: "${bucketURL}/chromium-${version}.tar.xz";
-
-  debURL = "https://dl.google.com/linux/chrome/deb/pool/main/g";
-
-  getDebURL = channelName: version: arch: mirror: let
-    packageSuffix = if channelName == "dev" then "unstable" else channelName;
-    packageName = "google-chrome-${packageSuffix}";
-  in "${mirror}/${packageName}/${packageName}_${version}-1_${arch}.deb";
-
-  # Untrusted mirrors, don't try to update from them!
-  debMirrors = [
-    "http://95.31.35.30/chrome/pool/main/g"
-    "http://mirror.pcbeta.com/google/chrome/deb/pool/main/g"
-    "http://repo.fdzh.org/chrome/deb/pool/main/g"
-  ];
-
-in {
-  getChannel = channel: let
-    chanAttrs = builtins.getAttr channel sources;
-  in {
-    inherit channel;
-    inherit (chanAttrs) version;
-
-    main = fetchurl {
-      url = mkVerURL chanAttrs.version;
-      inherit (chanAttrs) sha256;
-    };
-
-    binary = fetchurl (let
-      mkUrls = arch: let
-        mkURLForMirror = getDebURL channel chanAttrs.version arch;
-      in map mkURLForMirror ([ debURL ] ++ debMirrors);
-    in if stdenv.is64bit && chanAttrs ? sha256bin64 then {
-      urls = mkUrls "amd64";
-      sha256 = chanAttrs.sha256bin64;
-    } else if !stdenv.is64bit && chanAttrs ? sha256bin32 then {
-      urls = mkUrls "i386";
-      sha256 = chanAttrs.sha256bin32;
-    } else throw "No Chrome plugins are available for your architecture.");
-  };
-
-  update = let
-    csv2nix = name: src: import (runCommand "${name}.nix" {
-      src = builtins.fetchurl src;
-    } ''
-      esc() { echo "\"$(echo "$1" | sed -e 's/"\\$/\\&/')\""; } # ohai emacs "
-      IFS=, read -r -a headings <<< "$(head -n1 "$src")"
-      echo "[" > "$out"
-      tail -n +2 "$src" | while IFS=, read -r -a line; do
-        echo "  {"
-        for idx in "''${!headings[@]}"; do
-          echo "    $(esc "''${headings[idx]}") = $(esc ''${line[$idx]});"
-        done
-        echo "  }"
-      done >> "$out"
-      echo "]" >> "$out"
-    '');
-
-    channels = lib.fold lib.recursiveUpdate {} (map (attrs: {
-      ${attrs.os}.${attrs.channel} = attrs // {
-        history = let
-          drvName = "omahaproxy-${attrs.os}.${attrs.channel}-info";
-          history = csv2nix drvName "http://omahaproxy.appspot.com/history";
-          cond = h: attrs.os == h.os && attrs.channel == h.channel
-                 && lib.versionOlder h.version attrs.current_version;
-          # Note that this is a *reverse* sort!
-          sorter = a: b: lib.versionOlder b.version a.version;
-          sorted = builtins.sort sorter (lib.filter cond history);
-        in map (lib.flip removeAttrs ["os" "channel"]) sorted;
-        version = attrs.current_version;
-      };
-    }) (csv2nix "omahaproxy-info" "http://omahaproxy.appspot.com/all?csv=1"));
-
-    /*
-      XXX: This is essentially the same as:
-
-        builtins.tryEval (builtins.fetchurl url)
-
-      ... except that tryEval on fetchurl isn't working and doesn't catch
-      errors for fetchurl, so we go for a different approach.
-
-      We only have fixed-output derivations that can have networking access, so
-      we abuse SHA1 and its weaknesses to forge a fixed-output derivation which
-      is not so fixed, because it emits different contents that have the same
-      SHA1 hash.
-
-      Using this method, we can distinguish whether the URL is available or
-      whether it's not based on the actual content.
-
-      So let's use tryEval as soon as it's working with fetchurl in Nix.
-    */
-    tryFetch = url: let
-      # SHA1 hash collisions from https://shattered.io/static/shattered.pdf:
-      collisions = runCommand "sha1-collisions" {
-        outputs = [ "out" "good" "bad" ];
-        base64 = ''
-          QlpoOTFBWSZTWbL5V5MABl///////9Pv///v////+/////HDdK739/677r+W3/75rUNr4
-          Aa/AAAAAAACgEVTRtQDQAaA0AAyGmjTQGmgAAANGgAaMIAYgGgAABo0AAAAAADQAIAGQ0
-          MgDIGmjQA0DRk0AaMQ0DQAGIANGgAAGRoNGQMRpo0GIGgBoGQAAIAGQ0MgDIGmjQA0DRk
-          0AaMQ0DQAGIANGgAAGRoNGQMRpo0GIGgBoGQAAIAGQ0MgDIGmjQA0DRk0AaMQ0DQAGIAN
-          GgAAGRoNGQMRpo0GIGgBoGQAAIAGQ0MgDIGmjQA0DRk0AaMQ0DQAGIANGgAAGRoNGQMRp
-          o0GIGgBoGQAABVTUExEZATTICnkxNR+p6E09JppoyamjGhkm0ammIyaekbUejU9JiGnqZ
-          qaaDxJ6m0JkZMQ2oaYmJ6gxqMyE2TUzJqfItligtJQJfYbl9Zy9QjQuB5mHQRdSSXCCTH
-          MgmSDYmdOoOmLTBJWiCpOhMQYpQlOYpJjn+wQUJSTCEpOMekaFaaNB6glCC0hKEJdHr6B
-          mUIHeph7YxS8WJYyGwgWnMTFJBDFSxSCCYljiEk7HZgJzJVDHJxMgY6tCEIIWgsKSlSZ0
-          S8GckoIIF+551Ro4RCw260VCEpWJSlpWx/PMrLyVoyhWMAneDilBcUIeZ1j6NCkus0qUC
-          Wnahhk5KT4GpWMh3vm2nJWjTL9Qg+84iExBJhNKpbV9tvEN265t3fu/TKkt4rXFTsV+Nc
-          upJXhOhOhJMQQktrqt4K8mSh9M2DAO2X7uXGVL9YQxUtzQmS7uBndL7M6R7vX869VxqPu
-          renSuHYNq1yTXOfNWLwgvKlRlFYqLCs6OChDp0HuTzCWscmGudLyqUuwVGG75nmyZhKpJ
-          yOE/pOZyHyrZxGM51DYIN+Jc8yVJgAykxKCEtW55MlfudLg3KG6TtozalunXrroSxUpVL
-          StWrWLFihMnVpkyZOrQnUrE6xq1CGtJlbAb5ShMbV1CZgqlKC0wCFCpMmUKSEkvFLaZC8
-          wHOCVAlvzaJQ/T+XLb5Dh5TNM67p6KZ4e4ZSGyVENx2O27LzrTIteAreTkMZpW95GS0CE
-          JYhMc4nToTJ0wQhKEyddaLb/rTqmgJSlkpnALxMhlNmuKEpkEkqhKUoEq3SoKUpIQcDgW
-          lC0rYahMmLuPQ0fHqZaF4v2W8IoJ2EhMhYmSw7qql27WJS+G4rUplToFi2rSv0NSrVvDU
-          pltQ8Lv6F8pXyxmFBSxiLSxglNC4uvXVKmAtusXy4YXGX1ixedEvXF1aX6t8adYnYCpC6
-          rW1ZzdZYlCCxKEv8vpbqdSsXl8v1jCQv0KEPxPTa/5rtWSF1dSgg4z4KjfIMNtgwWoWLE
-          sRhKxsSA9ji7V5LRPwtumeQ8V57UtFSPIUmtQdOQfseI2Ly1DMtk4Jl8n927w34zrWG6P
-          i4jzC82js/46Rt2IZoadWxOtMInS2xYmcu8mOw9PLYxQ4bdfFw3ZPf/g2pzSwZDhGrZAl
-          9lqky0W+yeanadC037xk496t0Dq3ctfmqmjgie8ln9k6Q0K1krb3dK9el4Xsu44LpGcen
-          r2eQZ1s1IhOhnE56WnXf0BLWn9Xz15fMkzi4kpVxiTKGEpffErEEMvEeMZhUl6yD1SdeJ
-          YbxzGNM3ak2TAaglLZlDCVnoM6wV5DRrycwF8Zh/fRsdmhkMfAO1duwknrsFwrzePWeMw
-          l107DWzymxdQwiSXx/lncnn75jL9mUzw2bUDqj20LTgtawxK2SlQg1CCZDQMgSpEqLjRM
-          sykM9zbSIUqil0zNk7Nu+b5J0DKZlhl9CtpGKgX5uyp0idoJ3we9bSrY7PupnUL5eWiDp
-          V5mmnNUhOnYi8xyClkLbNmAXyoWk7GaVrM2umkbpqHDzDymiKjetgzTocWNsJ2E0zPcfh
-          t46J4ipaXGCfF7fuO0a70c82bvqo3HceIcRlshgu73seO8BqlLIap2z5jTOY+T2ucCnBt
-          Atva3aHdchJg9AJ5YdKHz7LoA3VKmeqxAlFyEnQLBxB2PAhAZ8KvmuR6ELXws1Qr13Nd1
-          i4nsp189jqvaNzt+0nEnIaniuP1+/UOZdyfoZh57ku8sYHKdvfW/jYSUks+0rK+qtte+p
-          y8jWL9cOJ0fV8rrH/t+85/p1z2N67p/ZsZ3JmdyliL7lrNxZUlx0MVIl6PxXOUuGOeArW
-          3vuEvJ2beoh7SGyZKHKbR2bBWO1d49JDIcVM6lQtu9UO8ec8pOnXmkcponBPLNM2CwZ9k
-          NC/4ct6rQkPkQHMcV/8XckU4UJCy+VeTA==
-        '';
-      } ''
-        echo "$base64" | base64 -d | tar xj
-        mv good.pdf "$good"
-        mv bad.pdf "$bad"
-        touch "$out"
-      '';
-
-      cacheVal = let
-        urlHash = builtins.hashString "sha256" url;
-        timeSlice = builtins.currentTime / 600;
-      in "${urlHash}-${toString timeSlice}";
-
-    in {
-      success = import (runCommand "check-success" {
-        result = stdenv.mkDerivation {
-          name = "tryfetch-${cacheVal}";
-          inherit url;
-
-          outputHash = "d00bbe65d80f6d53d5c15da7c6b4f0a655c5a86a";
-          outputHashMode = "flat";
-          outputHashAlgo = "sha1";
-
-          nativeBuildInputs = [ curl ];
-          preferLocalBuild = true;
-
-          inherit (collisions) good bad;
-
-          buildCommand = ''
-            if SSL_CERT_FILE="${cacert}/etc/ssl/certs/ca-bundle.crt" \
-               curl -s -L -f -I "$url" > /dev/null; then
-              cp "$good" "$out"
-            else
-              cp "$bad" "$out"
-            fi
-          '';
-
-          impureEnvVars = lib.fetchers.proxyImpureEnvVars;
-        };
-        inherit (collisions) good;
-      } ''
-        if cmp -s "$result" "$good"; then
-          echo true > "$out"
-        else
-          echo false > "$out"
-        fi
-      '');
-      value = builtins.fetchurl url;
-    };
-
-    fetchLatest = channel: let
-      result = tryFetch (mkVerURL channel.version);
-    in if result.success then result.value else fetchLatest (channel // {
-      version = if channel.history != []
-                then (lib.head channel.history).version
-                else throw "Unfortunately there's no older version than " +
-                           "${channel.version} available for channel " +
-                           "${channel.channel} on ${channel.os}.";
-      history = lib.tail channel.history;
-    });
-
-    getHash = path: import (runCommand "gethash.nix" {
-      inherit path;
-      nativeBuildInputs = [ nix ];
-    } ''
-      sha256="$(nix-hash --flat --base32 --type sha256 "$path")"
-      echo "\"$sha256\"" > "$out"
-    '');
-
-    isLatest = channel: version: let
-      ourVersion = sources.${channel}.version or null;
-    in if ourVersion == null then false
-       else lib.versionOlder version sources.${channel}.version
-         || version == sources.${channel}.version;
-
-    # We only support GNU/Linux right now.
-    linuxChannels = let
-      genLatest = channelName: channel: let
-        newUpstream = {
-          inherit (channel) version;
-          sha256 = getHash (fetchLatest channel);
-        };
-        keepOld = let
-          oldChannel = sources.${channelName};
-        in {
-          inherit (oldChannel) version sha256;
-        } // lib.optionalAttrs (oldChannel ? sha256bin32) {
-          inherit (oldChannel) sha256bin32;
-        } // lib.optionalAttrs (oldChannel ? sha256bin64) {
-          inherit (oldChannel) sha256bin64;
-        };
-      in if isLatest channelName channel.version then keepOld else newUpstream;
-    in lib.mapAttrs genLatest channels.linux;
-
-    getLinuxFlash = channelName: channel: let
-      inherit (channel) version;
-      fetchArch = arch: tryFetch (getDebURL channelName version arch debURL);
-      packages = lib.genAttrs ["i386" "amd64"] fetchArch;
-      isNew = arch: attr: !(builtins.hasAttr attr channel)
-                       && packages.${arch}.success;
-    in channel // lib.optionalAttrs (isNew "i386" "sha256bin32") {
-      sha256bin32 = getHash (packages.i386.value);
-    } // lib.optionalAttrs (isNew "amd64" "sha256bin64") {
-      sha256bin64 = getHash (packages.amd64.value);
-    };
-
-    newChannels = lib.mapAttrs getLinuxFlash linuxChannels;
-
-    dumpAttrs = indent: attrs: let
-      mkVal = val: if lib.isAttrs val then dumpAttrs (indent + 1) val
-                   else "\"${lib.escape ["$" "\\" "\""] (toString val)}\"";
-      mkIndent = level: lib.concatStrings (builtins.genList (_: "  ") level);
-      mkAttr = key: val: "${mkIndent (indent + 1)}${key} = ${mkVal val};\n";
-      attrLines = lib.mapAttrsToList mkAttr attrs;
-    in "{\n" + (lib.concatStrings attrLines) + (mkIndent indent) + "}";
-  in writeText "chromium-new-upstream-info.nix" ''
-    # This file is autogenerated from update.sh in the same directory.
-    ${dumpAttrs 0 newChannels}
-  '';
-}
diff --git a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/update.py b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/update.py
new file mode 100755
index 000000000000..bfc7f0d2478c
--- /dev/null
+++ b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/update.py
@@ -0,0 +1,77 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i python -p python3 nix
+
+import csv
+import json
+import subprocess
+import sys
+
+from codecs import iterdecode
+from collections import OrderedDict
+from os.path import abspath, dirname
+from urllib.request import urlopen
+
+HISTORY_URL = 'https://omahaproxy.appspot.com/history?os=linux'
+DEB_URL = 'https://dl.google.com/linux/chrome/deb/pool/main/g'
+BUCKET_URL = 'https://commondatastorage.googleapis.com/chromium-browser-official'
+
+JSON_PATH = dirname(abspath(__file__)) + '/upstream-info.json'
+
+def load_json(path):
+    with open(path, 'r') as f:
+        return json.load(f)
+
+def nix_prefetch_url(url, algo='sha256'):
+    print(f'nix-prefetch-url {url}')
+    out = subprocess.check_output(['nix-prefetch-url', '--type', algo, url])
+    return out.decode('utf-8').rstrip()
+
+channels = {}
+last_channels = load_json(JSON_PATH)
+
+print(f'GET {HISTORY_URL}', file=sys.stderr)
+with urlopen(HISTORY_URL) as resp:
+    builds = csv.DictReader(iterdecode(resp, 'utf-8'))
+    for build in builds:
+        channel_name = build['channel']
+
+        # If we've already found a newer build for this channel, we're
+        # no longer interested in it.
+        if channel_name in channels:
+            continue
+
+        # If we're back at the last build we used, we don't need to
+        # keep going -- there's no new version available, and we can
+        # just reuse the info from last time.
+        if build['version'] == last_channels[channel_name]['version']:
+            channels[channel_name] = last_channels[channel_name]
+            continue
+
+        channel = {'version': build['version']}
+        suffix = 'unstable' if channel_name == 'dev' else channel_name
+
+        try:
+            channel['sha256'] = nix_prefetch_url(f'{BUCKET_URL}/chromium-{build["version"]}.tar.xz')
+            channel['sha256bin64'] = nix_prefetch_url(f'{DEB_URL}/google-chrome-{suffix}/google-chrome-{suffix}_{build["version"]}-1_amd64.deb')
+        except subprocess.CalledProcessError:
+            # This build isn't actually available yet.  Continue to
+            # the next one.
+            continue
+
+        channels[channel_name] = channel
+
+with open(JSON_PATH, 'w') as out:
+    def get_channel_key(item):
+        channel_name = item[0]
+        if channel_name == 'stable':
+            return 0
+        elif channel_name == 'beta':
+            return 1
+        elif channel_name == 'dev':
+            return 2
+        else:
+            print(f'Error: Unexpected channel: {channel_name}', file=sys.stderr)
+            sys.exit(1)
+    sorted_channels = OrderedDict(sorted(channels.items(), key=get_channel_key))
+    json.dump(sorted_channels, out, indent=2)
+    out.write('\n')
diff --git a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/update.sh b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/update.sh
deleted file mode 100755
index ea67a62c107a..000000000000
--- a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/update.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/sh -e
-cd "$(dirname "$0")"
-sp="$(nix-build --builders "" -Q --no-out-link update.nix -A update)"
-cat "$sp" > upstream-info.nix
diff --git a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/upstream-info.json b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/upstream-info.json
new file mode 100644
index 000000000000..dae7f741b357
--- /dev/null
+++ b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/upstream-info.json
@@ -0,0 +1,17 @@
+{
+  "stable": {
+    "version": "85.0.4183.102",
+    "sha256": "032yh1mfwins7a62zw8kwwq8xw1n52a0a93lqz7qlyjaf9sd8s4a",
+    "sha256bin64": "1i8xaxxnmg80vsia8hxnq58qi9k5nnbrl80d6d23g9lb7dbc9cpm"
+  },
+  "beta": {
+    "version": "86.0.4240.30",
+    "sha256": "1isj0zngb72k1hhn3h0s8mccg1cdmppz1mjmg19f2h306farzmzl",
+    "sha256bin64": "10d8im2adqqnkd6265gngv6xlm5qsz6r13z6cbbchsss0ssr8fxa"
+  },
+  "dev": {
+    "version": "87.0.4252.0",
+    "sha256": "1lxlsdni63zh79hxvpwgmnfn67kgfzhz3yg9bkxghqchqykkz92y",
+    "sha256bin64": "130hf7b35wcxpw05ddbqq89x10c0kays1vb9qg6xhq3zx2mk6ijw"
+  }
+}
diff --git a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/upstream-info.nix b/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/upstream-info.nix
deleted file mode 100644
index defb58822a03..000000000000
--- a/nixpkgs/pkgs/applications/networking/browsers/ungoogled-chromium/upstream-info.nix
+++ /dev/null
@@ -1,18 +0,0 @@
-# This file is autogenerated from update.sh in the same directory.
-{
-  beta = {
-    sha256 = "0z9p4v5mkinf7hbdagh4bz6ymqjxg3df3wjpvm201ilzzngmjqz1";
-    sha256bin64 = "1srvlirhnynh0q2a17p8z13p7r54z0cchh1d1h07hqljnwmsf8qj";
-    version = "83.0.4103.34";
-  };
-  dev = {
-    sha256 = "178fc112bsbrgj2hss78y8rhnz8hl85fr33gawk9fz88zk5qz7xd";
-    sha256bin64 = "06qra245l2bbgxc3k04aabkgq1qnzybnrjhrjb25vriv31ji36b1";
-    version = "84.0.4128.3";
-  };
-  stable = {
-    sha256 = "19kpzmqmld0m0nflx13w9flxfal19msnxhzl3lip1jqih65z4y7l";
-    sha256bin64 = "0sl4wv7npc3rhi7jgn679hi7j5ykzwpx5dahy78h87yfg4fx84wx";
-    version = "81.0.4044.138";
-  };
-}
diff --git a/nixpkgs/pkgs/applications/networking/browsers/vivaldi/default.nix b/nixpkgs/pkgs/applications/networking/browsers/vivaldi/default.nix
index 248980e5b2b1..fbf49b9f41bf 100644
--- a/nixpkgs/pkgs/applications/networking/browsers/vivaldi/default.nix
+++ b/nixpkgs/pkgs/applications/networking/browsers/vivaldi/default.nix
@@ -3,7 +3,7 @@
 , alsaLib, dbus, cups, libexif, ffmpeg_3, systemd
 , freetype, fontconfig, libXft, libXrender, libxcb, expat
 , libuuid
-, gstreamer, gst-plugins-base, libxml2
+, libxml2
 , glib, gtk3, pango, gdk-pixbuf, cairo, atk, at-spi2-atk, at-spi2-core, gnome2
 , libdrm, mesa
 , nss, nspr
@@ -18,11 +18,11 @@ let
   vivaldiName = if isSnapshot then "vivaldi-snapshot" else "vivaldi";
 in stdenv.mkDerivation rec {
   pname = "vivaldi";
-  version = "3.0.1874.38-1";
+  version = "3.3.2022.47-1";
 
   src = fetchurl {
     url = "https://downloads.vivaldi.com/${branch}/vivaldi-${branch}_${version}_amd64.deb";
-    sha256 = "03667f8rlk8shxq6ghjg4q9hqhsaw4gwpqnjpyili49qczd5423w";
+    sha256 = "0lraliqb5r8akh8lfmw2sy90s58sbghcpc598nlz2d89f91yq7vz";
   };
 
   unpackPhase = ''
@@ -37,7 +37,7 @@ in stdenv.mkDerivation rec {
     libXi libXft libXcursor libXfixes libXScrnSaver libXcomposite libXdamage libXtst libXrandr
     atk at-spi2-atk at-spi2-core alsaLib dbus cups gtk3 gdk-pixbuf libexif ffmpeg_3 systemd
     freetype fontconfig libXrender libuuid expat glib nss nspr
-    gstreamer libxml2 gst-plugins-base pango cairo gnome2.GConf
+    libxml2 pango cairo gnome2.GConf
     libdrm mesa
   ] ++ stdenv.lib.optional proprietaryCodecs vivaldi-ffmpeg-codecs;
 
@@ -90,7 +90,7 @@ in stdenv.mkDerivation rec {
     description = "A Browser for our Friends, powerful and personal";
     homepage    = "https://vivaldi.com";
     license     = licenses.unfree;
-    maintainers = with maintainers; [ otwieracz nequissimus ];
+    maintainers = with maintainers; [ otwieracz nequissimus badmutex ];
     platforms   = [ "x86_64-linux" ];
   };
 }
diff --git a/nixpkgs/pkgs/applications/networking/browsers/webbrowser/default.nix b/nixpkgs/pkgs/applications/networking/browsers/webbrowser/default.nix
new file mode 100644
index 000000000000..d10758170784
--- /dev/null
+++ b/nixpkgs/pkgs/applications/networking/browsers/webbrowser/default.nix
@@ -0,0 +1,108 @@
+{ stdenv, lib, fetchgit, makeDesktopItem, pkgconfig, makeWrapper
+# Build
+, python2, autoconf213, yasm, perl, ccache
+, unzip, gnome2, gnum4
+
+# Runtime
+, xorg, zip, freetype, fontconfig, glibc, libffi
+, dbus, dbus-glib, gtk2, alsaLib, jack2, ffmpeg
+}:
+
+let
+
+  libPath = lib.makeLibraryPath [ ffmpeg ];
+
+in stdenv.mkDerivation rec {
+  pname = "webbrowser";
+  version = "29.0.0rc1";
+
+  src = fetchgit {
+    url = "https://git.nuegia.net/webbrowser.git";
+    rev = version;
+    sha256 = "1d82943mla6q3257081d946kgms91dg0n93va3zlzm9hbbqilzm6";
+    fetchSubmodules = true;
+  };
+
+  desktopItem = makeDesktopItem {
+    name = "webbrowser";
+    exec = "webbrowser %U";
+    icon = "webbrowser";
+    desktopName = "Web Browser";
+    genericName = "Web Browser";
+    categories = "Network;WebBrowser;";
+    mimeType = lib.concatStringsSep ";" [
+      "text/html"
+      "text/xml"
+      "application/xhtml+xml"
+      "application/vnd.mozilla.xul+xml"
+      "x-scheme-handler/http"
+      "x-scheme-handler/https"
+    ];
+  };
+
+  nativeBuildInputs = [
+    gnum4 makeWrapper perl pkgconfig python2 ccache
+  ];
+
+  buildInputs = [
+    alsaLib dbus dbus-glib ffmpeg fontconfig freetype yasm zip jack2 gtk2
+    unzip gnome2.GConf xorg.libXt
+  ];
+
+  enableParallelBuilding = true;
+
+  configurePhase = ''
+    export MOZCONFIG=$PWD/.mozconfig
+    export MOZ_NOSPAM=1
+    export HOME=$PWD # Needed by ccache
+
+    cp $src/doc/mozconfig.example $MOZCONFIG
+    # Need to modify it
+    chmod 644 $MOZCONFIG
+
+    substituteInPlace $MOZCONFIG \
+      --replace "mk_add_options PYTHON=/usr/bin/python2" "mk_add_options PYTHON=${python2}/bin/python2" \
+      --replace "mk_add_options AUTOCONF=/usr/bin/autoconf-2.13" "mk_add_options AUTOCONF=${autoconf213}/bin/autoconf" \
+      --replace 'mk_add_options MOZ_OBJDIR=$HOME/build/wbobjects/' "" \
+      --replace "ac_add_options --x-libraries=/usr/lib64" "ac_add_options --x-libraries=${lib.makeLibraryPath [ xorg.libX11 ]}" \
+      --replace "_BUILD_64=1" "_BUILD_64=${lib.optionalString stdenv.hostPlatform.is64bit "1"}"
+
+    echo >> $MOZCONFIG '
+    #
+    # NixOS-specific adjustments
+    #
+
+    ac_add_options --prefix=$out
+
+    mk_add_options MOZ_MAKE_FLAGS="-j$NIX_BUILD_CORES"
+    '
+  '';
+
+  buildPhase = "$src/mach build";
+
+  installPhase = ''
+    $src/mach install
+
+    mkdir -p $out/share/applications
+    cp ${desktopItem}/share/applications/* $out/share/applications
+
+    for n in 16 32 48; do
+      size=$n"x"$n
+      mkdir -p $out/share/icons/hicolor/$size/apps
+      cp $src/webbrowser/branding/unofficial/default$n.png \
+         $out/share/icons/hicolor/$size/apps/webbrowser.png
+    done
+
+    # Needed to make videos work
+    wrapProgram $out/lib/webbrowser-${version}/webbrowser \
+      --prefix LD_LIBRARY_PATH : "${libPath}"
+  '';
+
+  meta = with lib; {
+    description = "Generic web browser without trackers compatible with XUL plugins using UXP rendering engine";
+    homepage    = "https://git.nuegia.net/webbrowser.git/";
+    license     = [ licenses.mpl20 licenses.gpl3 ];
+    maintainers = with maintainers; [ TheBrainScrambler ];
+    platforms   = [ "i686-linux" "x86_64-linux" ];
+  };
+}