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<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
version="5.0"
xml:id="sec-release-18.03">
<title>Release 18.03 (“Impala”, 2018/03/??)</title>
<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
version="5.0"
xml:id="sec-release-18.03-highlights">
<title>Highlights</title>
<para>In addition to numerous new and upgraded packages, this release
has the following highlights: </para>
<itemizedlist>
<listitem>
<para>
MariaDB 10.2, updated from 10.1, is now the default MySQL implementation. While upgrading a few changes
have been made to the infrastructure involved:
<itemizedlist>
<listitem>
<para>
<literal>libmysql</literal> has been deprecated, please use <literal>mysql.connector-c</literal>
instead, a compatibility passthru has been added to the MySQL packages.
</para>
</listitem>
<listitem>
<para>
The <literal>mysql57</literal> package has a new <literal>static</literal> output containing
the static libraries including <literal>libmysqld.a</literal>
</para>
</listitem>
</itemizedlist>
</para>
</listitem>
</itemizedlist>
</section>
<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
version="5.0"
xml:id="sec-release-18.03-new-services">
<title>New Services</title>
<para>The following new services were added since the last release:</para>
<itemizedlist>
<listitem>
<para></para>
</listitem>
</itemizedlist>
</section>
<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
version="5.0"
xml:id="sec-release-18.03-incompatibilities">
<title>Backward Incompatibilities</title>
<para>When upgrading from a previous release, please be aware of the
following incompatible changes:</para>
<itemizedlist>
<listitem>
<para>
Dollar signs in options under <option>services.postfix</option> are
passed verbatim to Postfix, which will interpret them as the beginning of
a parameter expression. This was already true for string-valued options
in the previous release, but not for list-valued options. If you need to
pass literal dollar signs through Postfix, double them.
</para>
</listitem>
<listitem>
<para>
The <literal>postage</literal> package (for web-based PostgreSQL
administration) has been renamed to <literal>pgmanage</literal>. The
corresponding module has also been renamed. To migrate please rename all
<option>services.postage</option> options to
<option>services.pgmanage</option>.
</para>
</listitem>
<listitem>
<para>
<emphasis role="strong">
The OpenSSH service no longer enables support for DSA keys by default,
which could cause a system lock out. Update your keys or, unfavorably,
re-enable DSA support manually.
</emphasis>
</para>
<para>
DSA support was
<link xlink:href="https://www.openssh.com/legacy.html">deprecated in OpenSSH 7.0</link>,
due to it being too weak. To re-enable support, add
<literal>PubkeyAcceptedKeyTypes +ssh-dss</literal> to the end of your
<option>services.openssh.extraConfig</option>.
</para>
<para>
After updating the keys to be stronger, anyone still on a pre-17.03
version is safe to jump to 17.03, as vetted
<link xlink:href="https://search.nix.gsc.io/?q=stateVersion">here</link>.
</para>
</listitem>
</itemizedlist>
</section>
<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
version="5.0"
xml:id="sec-release-18.03-notable-changes">
<title>Other Notable Changes</title>
<itemizedlist>
<listitem>
<para>
ZNC option <option>services.znc.mutable</option> now defaults to
<literal>true</literal>. That means that old configuration is not
overwritten by default when update to the znc options are made.
</para>
</listitem>
<listitem>
<para>
The option <option>networking.wireless.networks.<name>.auth</option>
has been added for wireless networks with WPA-Enterprise authentication.
There is also a new <option>extraConfig</option> option to directly
configure <literal>wpa_supplicant</literal> and <option>hidden</option>
to connect to hidden networks.
</para>
</listitem>
<listitem>
<para>
The option <option>services.xserver.desktopManager.default</option> is now <literal>none</literal> by default.
An assertion failure is thrown if WM's and DM's default are <literal>none</literal>.
To explicitly run a plain X session without and DM or WM, the newly introduced option <option>services.xserver.plainX</option>
must be set to true.
</para>
</listitem>
<listitem>
<para>
The option <option>services.logstash.listenAddress</option> is now <literal>127.0.0.1</literal> by default.
Previously the default behaviour was to listen on all interfaces.
</para>
</listitem>
<listitem>
<para>
<literal>services.btrfs.autoScrub</literal> has been added, to
periodically check btrfs filesystems for data corruption.
If there's a correct copy available, it will automatically repair
corrupted blocks.
</para>
</listitem>
</itemizedlist>
</section>
</section>
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