Merge remote-tracking branch 'channels/nixos-unstable'

1 files changed, 34 insertions, 0 deletions

diff --git a/nixpkgs/nixos/doc/manual/release-notes/rl-1909.xml b/nixpkgs/nixos/doc/manual/release-notes/rl-1909.xml
index b12858cfc963..b780cba357e8 100644
--- a/nixpkgs/nixos/doc/manual/release-notes/rl-1909.xml
+++ b/nixpkgs/nixos/doc/manual/release-notes/rl-1909.xml
@@ -42,6 +42,12 @@
        set up binfmt interpreters for each of those listed systems.
      </para>
    </listitem>
+   <listitem>
+     <para>
+     The installer now uses a less privileged <literal>nixos</literal> user whereas before we logged in as root.
+     To gain root privileges use <literal>sudo -i</literal> without a password.
+    </para>
+   </listitem>
   </itemizedlist>
  </section>
 
@@ -248,6 +254,15 @@
        If IBus support in Qt 4.x applications is required, add the <literal>ibus-qt</literal> package to your <xref linkend="opt-environment.systemPackages" /> manually.
      </para>
    </listitem>
+   <listitem>
+     <para>
+       The CUPS Printing service now uses socket-based activation by
+       default, only starting when needed. The previous behavior can
+       be restored by setting
+       <option>services.cups.startWhenNeeded</option> to
+       <literal>false</literal>.
+     </para>
+   </listitem>
   </itemizedlist>
  </section>
 
@@ -409,6 +424,25 @@
      installer after creating <literal>/var/lib/nextcloud</literal>.
     </para>
    </listitem>
+   <listitem>
+    <para>
+     There exists now <literal>lib.forEach</literal>, which is like <literal>map</literal>, but with
+     arguments flipped. When mapping function body spans many lines (or has nested
+     <literal>map</literal>s), it is often hard to follow which list is modified.
+    </para>
+    <para>
+     Previous solution to this problem was either to use <literal>lib.flip map</literal>
+     idiom or extract that anonymous mapping function to a named one. Both can still be used
+     but <literal>lib.forEach</literal> is preferred over <literal>lib.flip map</literal>.
+    </para>
+   </listitem>
+  <listitem>
+   <para>
+    <literal>systemd.packages</literal> option now also supports generators and
+    shutdown scripts. Old <literal>systemd.generator-packages</literal> option has
+    been removed.
+   </para>
+  </listitem>
   </itemizedlist>
  </section>
 </section>