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nixpkgs/nixos/doc/manual/release-notes/rl-1709.xml
aszlig 9dca737d62
Merge pull request #15353 (improve xrandrHeads)
When you have a setup consisting of multiple monitors, the default is
that the first monitor detected by xrandr is set to the primary monitor.

However this may not be the monitor you need to be set as primary. In
fact this monitor set to primary may in fact be disconnected.

This has happened for the original submitter of the pull request and it
affected these programs:

 * XMonad: Gets confused with Super + {w,e,r}
 * SDDM: Puts the login screen on the wrong monitor, and does not
         currently duplicate the login screen on all monitors
 * XMobar: Puts the XMobar on the wrong monitor, as it only puts the
           taskbar on the primary monitor

These changes should fix that not only by setting a primary monitor in
xrandrHeads but also make it possible to make a different monitor the
primary one.

The changes are also backwards-compatible.
2017-05-02 23:14:26 +02:00

103 lines
3.2 KiB
XML

<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-17.09">
<title>Release 17.09 (“Hummingbird”, 2017/09/??)</title>
<para>In addition to numerous new and upgraded packages, this release
has the following highlights: </para>
<itemizedlist>
<listitem>
<para>
The user handling now keeps track of deallocated UIDs/GIDs. When a user
or group is revived, this allows it to be allocated the UID/GID it had before.
A consequence is that UIDs and GIDs are no longer reused.
</para>
</listitem>
<listitem>
<para>
The module option <option>services.xserver.xrandrHeads</option> now
causes the first head specified in this list to be set as the primary
head. Apart from that, it's now possible to also set additional options
by using an attribute set, for example:
<programlisting>
{ services.xserver.xrandrHeads = [
"HDMI-0"
{
output = &quot;DVI-0&quot;;
primary = true;
monitorConfig = ''
Option &quot;Rotate&quot; &quot;right&quot;
'';
}
];
}
</programlisting>
This will set the <literal>DVI-0</literal> output to be the primary head,
even though <literal>HDMI-0</literal> is the first head in the list.
</para>
</listitem>
</itemizedlist>
<para>The following new services were added since the last release:</para>
<itemizedlist>
<listitem>
<para></para>
</listitem>
</itemizedlist>
<para>When upgrading from a previous release, please be aware of the
following incompatible changes:</para>
<itemizedlist>
<listitem>
<para>
Top-level <literal>idea</literal> package collection was renamed.
All JetBrains IDEs are now at <literal>jetbrains</literal>.
</para>
</listitem>
<listitem>
<para>
<literal>flexget</literal>'s state database cannot be upgraded to its
new internal format, requiring removal of any existing
<literal>db-config.sqlite</literal> which will be automatically recreated.
</para>
</listitem>
</itemizedlist>
<para>Other notable improvements:</para>
<itemizedlist>
<listitem>
<para>
Modules can now be disabled by using <link
xlink:href="https://nixos.org/nixpkgs/manual/#sec-replace-modules">
disabledModules</link>, allowing another to take it's place. This can be
used to import a set of modules from another channel while keeping the
rest of the system on a stable release.
</para>
</listitem>
<listitem>
<para>
Updated to FreeType 2.7.1, including a new TrueType engine.
The new engine replaces the Infinality engine which was the default in
NixOS. The default font rendering settings are now provided by
fontconfig-penultimate, replacing fontconfig-ultimate; the new defaults
are less invasive and provide rendering that is more consistent with
other systems and hopefully with each font designer's intent. Some
system-wide configuration has been removed from the Fontconfig NixOS
module where user Fontconfig settings are available.
</para>
</listitem>
</itemizedlist>
</section>