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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-19.09">
<title>Release 19.09 (“Loris”, 2019/09/??)</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-19.09-highlights">
<title>Highlights</title>
<para>
In addition to numerous new and upgraded packages, this release has the
following highlights:
</para>
<itemizedlist>
<listitem>
<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-19.09-new-services">
<title>New Services</title>
<para>
The following new services were added since the last release:
</para>
</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-19.09-incompatibilities">
<title>Backward Incompatibilities</title>
<para>
When upgrading from a previous release, please be aware of the following
incompatible changes:
</para>
<itemizedlist>
<listitem>
<para>
Buildbot no longer supports Python 2, as support was dropped upstream in
version 2.0.0. Configurations may need to be modified to make them
compatible with Python 3.
</para>
</listitem>
<listitem>
<para>
PostgreSQL now uses
<filename class="directory">/run/postgresql</filename> as its socket
directory instead of <filename class="directory">/tmp</filename>. So
if you run an application like eg. Nextcloud, where you need to use
the Unix socket path as the database host name, you need to change it
accordingly.
</para>
</listitem>
<listitem>
<para>
The options <option>services.prometheus.alertmanager.user</option> and
<option>services.prometheus.alertmanager.group</option> have been removed
because the alertmanager service is now using systemd's <link
xlink:href="http://0pointer.net/blog/dynamic-users-with-systemd.html">
DynamicUser mechanism</link> which obviates these options.
</para>
</listitem>
<listitem>
<para>
The NetworkManager systemd unit was renamed back from network-manager.service to
NetworkManager.service for better compatibility with other applications expecting this name.
The same applies to ModemManager where modem-manager.service is now called ModemManager.service again.
</para>
</listitem>
<listitem>
<para>
The <option>services.nzbget.configFile</option> and <option>services.nzbget.openFirewall</option>
options were removed as they are managed internally by the nzbget. The
<option>services.nzbget.dataDir</option> option hadn't actually been used by
the module for some time and so was removed as cleanup.
</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-19.09-notable-changes">
<title>Other Notable Changes</title>
<itemizedlist>
<listitem>
<para>
The <option>documentation</option> module gained an option named
<option>documentation.nixos.includeAllModules</option> which makes the
generated <citerefentry>
<refentrytitle>configuration.nix</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> manual page include all options
from all NixOS modules included in a given
<literal>configuration.nix</literal> configuration file. Currently, it is
set to <literal>false</literal> by default as enabling it frequently
prevents evaluation. But the plan is to eventually have it set to
<literal>true</literal> by default. Please set it to
<literal>true</literal> now in your <literal>configuration.nix</literal>
and fix all the bugs it uncovers.
</para>
</listitem>
<listitem>
<para>
The <literal>vlc</literal> package gained support for Chromecast
streaming, enabled by default. TCP port 8010 must be open for it to work,
so something like <literal>networking.firewall.allowedTCPPorts = [ 8010
];</literal> may be required in your configuration. Also consider enabling
<link xlink:href="https://nixos.wiki/wiki/Accelerated_Video_Playback">
Accelerated Video Playback</link> for better transcoding performance.
</para>
</listitem>
<listitem>
<para>
The following changes apply if the <literal>stateVersion</literal> is
changed to 19.09 or higher. For <literal>stateVersion = "19.03"</literal>
or lower the old behavior is preserved.
</para>
<itemizedlist>
<listitem>
<para>
<literal>solr.package</literal> defaults to
<literal>pkgs.solr_8</literal>.
</para>
</listitem>
</itemizedlist>
</listitem>
</itemizedlist>
</section>
</section>
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