208 lines
8.7 KiB
XML
208 lines
8.7 KiB
XML
<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="sec-release-22.11">
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<title>Release 22.11 (“Raccoon”, 2022.11/??)</title>
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<para>
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Support is planned until the end of June 2023, handing over to
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23.05.
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</para>
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<section xml:id="sec-release-22.11-highlights">
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<title>Highlights</title>
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<para>
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In addition to numerous new and upgraded packages, this release
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has the following highlights:
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</para>
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<itemizedlist>
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<listitem>
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<para>
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During cross-compilation, tests are now executed if the test
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suite can be executed by the build platform. This is the case
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when doing “native” cross-compilation where the build and host
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platforms are largely the same, but the nixpkgs’ cross
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compilation infrastructure is used, e.g.
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<literal>pkgsStatic</literal> and <literal>pkgsLLVM</literal>.
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Another possibility is that the build platform is a superset
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of the host platform, e.g. when cross-compiling from
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<literal>x86_64-unknown-linux</literal> to
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<literal>i686-unknown-linux</literal>. The predicate gating
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test suite execution is the newly added
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<literal>canExecute</literal> predicate: You can e.g. check if
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<literal>stdenv.buildPlatform</literal> can execute binaries
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built for <literal>stdenv.hostPlatform</literal> (i.e.
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produced by <literal>stdenv.cc</literal>) by evaluating
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<literal>stdenv.buildPlatform.canExecute stdenv.hostPlatform</literal>.
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</para>
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</listitem>
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<listitem>
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<para>
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PHP now defaults to PHP 8.1, updated from 8.0.
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</para>
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</listitem>
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<listitem>
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<para>
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<literal>hardware.nvidia</literal> has a new option
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<literal>open</literal> that can be used to opt in the
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opensource version of NVIDIA kernel driver. Note that the
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driver’s support for GeForce and Workstation GPUs is still
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alpha quality, see
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<link xlink:href="https://developer.nvidia.com/blog/nvidia-releases-open-source-gpu-kernel-modules/">NVIDIA
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Releases Open-Source GPU Kernel Modules</link> for the
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official announcement.
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</para>
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</listitem>
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</itemizedlist>
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</section>
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<section xml:id="sec-release-22.11-new-services">
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<title>New Services</title>
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<itemizedlist>
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<listitem>
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<para>
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<link xlink:href="https://github.com/jollheef/appvm">appvm</link>,
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Nix based app VMs. Available as
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<link xlink:href="options.html#opt-virtualisation.appvm.enable">virtualisation.appvm</link>.
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</para>
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</listitem>
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<listitem>
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<para>
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<link xlink:href="https://dragonflydb.io/">dragonflydb</link>,
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a modern replacement for Redis and Memcached. Available as
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<link linkend="opt-services.dragonflydb.enable">services.dragonflydb</link>.
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</para>
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</listitem>
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<listitem>
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<para>
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<link xlink:href="https://github.com/leetronics/infnoise">infnoise</link>,
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a hardware True Random Number Generator dongle. Available as
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<link xlink:href="options.html#opt-services.infnoise.enable">services.infnoise</link>.
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</para>
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</listitem>
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<listitem>
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<para>
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<link xlink:href="https://github.com/aiberia/persistent-evdev">persistent-evdev</link>,
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a daemon to add virtual proxy devices that mirror a physical
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input device but persist even if the underlying hardware is
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hot-plugged. Available as
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<link linkend="opt-services.persistent-evdev.enable">services.persistent-evdev</link>.
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</para>
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</listitem>
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<listitem>
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<para>
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<link xlink:href="https://www.expressvpn.com">expressvpn</link>,
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the CLI client for ExpressVPN. Available as
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<link linkend="opt-services.expressvpn.enable">services.expressvpn</link>.
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</para>
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</listitem>
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</itemizedlist>
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</section>
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<section xml:id="sec-release-22.11-incompatibilities">
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<title>Backward Incompatibilities</title>
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<itemizedlist>
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<listitem>
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<para>
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The <literal>isCompatible</literal> predicate checking CPU
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compatibility is no longer exposed by the platform sets
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generated using <literal>lib.systems.elaborate</literal>. In
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most cases you will want to use the new
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<literal>canExecute</literal> predicate instead which also
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considers the kernel / syscall interface. It is briefly
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described in the release’s
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<link linkend="sec-release-22.11-highlights">highlights
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section</link>.
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<literal>lib.systems.parse.isCompatible</literal> still
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exists, but has changed semantically: Architectures with
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differing endianness modes are <emphasis>no longer considered
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compatible</emphasis>.
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</para>
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</listitem>
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<listitem>
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<para>
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<literal>ngrok</literal> has been upgraded from 2.3.40 to
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3.0.4. Please see
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<link xlink:href="https://ngrok.com/docs/guides/upgrade-v2-v3">the
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upgrade guide</link> and
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<link xlink:href="https://ngrok.com/docs/ngrok-agent/changelog">changelog</link>.
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Notably, breaking changes are that the config file format has
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changed and support for single hypen arguments was dropped.
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</para>
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</listitem>
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<listitem>
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<para>
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The <literal>isPowerPC</literal> predicate, found on
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<literal>platform</literal> attrsets
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(<literal>hostPlatform</literal>,
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<literal>buildPlatform</literal>,
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<literal>targetPlatform</literal>, etc) has been removed in
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order to reduce confusion. The predicate was was defined such
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that it matches only the 32-bit big-endian members of the
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POWER/PowerPC family, despite having a name which would imply
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a broader set of systems. If you were using this predicate,
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you can replace <literal>foo.isPowerPC</literal> with
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<literal>(with foo; isPower && is32bit && isBigEndian)</literal>.
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</para>
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</listitem>
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<listitem>
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<para>
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The Barco ClickShare driver/client package
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<literal>pkgs.clickshare-csc1</literal> and the option
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<literal>programs.clickshare-csc1.enable</literal> have been
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removed, as it requires <literal>qt4</literal>, which reached
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its end-of-life 2015 and will no longer be supported by
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nixpkgs.
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<link xlink:href="https://www.barco.com/de/support/knowledge-base/4380-can-i-use-linux-os-with-clickshare-base-units">According
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to Barco</link> many of their base unit models can be used
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with Google Chrome and the Google Cast extension.
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</para>
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</listitem>
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<listitem>
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<para>
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PHP 7.4 is no longer supported due to upstream not supporting
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this version for the entire lifecycle of the 22.11 release.
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</para>
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</listitem>
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<listitem>
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<para>
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(Neo)Vim can not be configured with
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<literal>configure.pathogen</literal> anymore to reduce
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maintainance burden. Use <literal>configure.packages</literal>
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instead.
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</para>
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</listitem>
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<listitem>
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<para>
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<literal>k3s</literal> no longer supports docker as runtime
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due to upstream dropping support.
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</para>
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</listitem>
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</itemizedlist>
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</section>
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<section xml:id="sec-release-22.11-notable-changes">
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<title>Other Notable Changes</title>
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<itemizedlist>
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<listitem>
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<para>
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A new module was added for the Saleae Logic device family,
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providing the options
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<literal>hardware.saleae-logic.enable</literal> and
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<literal>hardware.saleae-logic.package</literal>.
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</para>
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</listitem>
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<listitem>
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<para>
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Matrix Synapse now requires entries in the
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<literal>state_group_edges</literal> table to be unique, in
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order to prevent accidentally introducing duplicate
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information (for example, because a database backup was
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restored multiple times). If your Synapse database already has
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duplicate rows in this table, this could fail with an error
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and require manual remediation.
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</para>
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</listitem>
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<listitem>
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<para>
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memtest86+ was updated from 5.00-coreboot-002 to 6.00-beta2.
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It is now the upstream version from https://www.memtest.org/,
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as coreboot’s fork is no longer available.
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</para>
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</listitem>
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</itemizedlist>
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</section>
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</section>
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