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diff --git a/nixpkgs/nixos/doc/manual/release-notes/rl-1903.xml b/nixpkgs/nixos/doc/manual/release-notes/rl-1903.xml new file mode 100644 index 00000000000..8ff1681d3b4 --- /dev/null +++ b/nixpkgs/nixos/doc/manual/release-notes/rl-1903.xml @@ -0,0 +1,768 @@ +<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-19.03"> + <title>Release 19.03 (“Koi”, 2019/04/11)</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-19.03-highlights"> + <title>Highlights</title> + + <para> + In addition to numerous new and upgraded packages, this release has the + following highlights: + </para> + + <itemizedlist> + <listitem> + <para> + End of support is planned for end of October 2019, handing over to 19.09. + </para> + </listitem> + <listitem> + <para> + The default Python 3 interpreter is now CPython 3.7 instead of CPython + 3.6. + </para> + </listitem> + <listitem> + <para> + Added the Pantheon desktop environment. It can be enabled through + <varname>services.xserver.desktopManager.pantheon.enable</varname>. + </para> + <note> + <para> + By default, <varname>services.xserver.desktopManager.pantheon</varname> + enables LightDM as a display manager, as pantheon's screen locking + implementation relies on it. + </para> + <para> + Because of that it is recommended to leave LightDM enabled. If you'd like + to disable it anyway, set + <option>services.xserver.displayManager.lightdm.enable</option> to + <literal>false</literal> and enable your preferred display manager. + </para> + </note> + <para> + Also note that Pantheon's LightDM greeter is not enabled by default, + because it has numerous issues in NixOS and isn't optimal for use here + yet. + </para> + </listitem> + <listitem> + <para> + A major refactoring of the Kubernetes module has been completed. + Refactorings primarily focus on decoupling components and enhancing + security. Two-way TLS and RBAC has been enabled by default for all + components, which slightly changes the way the module is configured. See: + <xref linkend="sec-kubernetes"/> for details. + </para> + </listitem> + <listitem> + <para> + There is now a set of <option>confinement</option> options for + <option>systemd.services</option>, which allows to restrict services + into a <citerefentry> + <refentrytitle>chroot</refentrytitle> + <manvolnum>2</manvolnum> + </citerefentry>ed environment that only contains the store paths from + the runtime closure of the service. + </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-19.03-new-services"> + <title>New Services</title> + + <para> + The following new services were added since the last release: + </para> + + <itemizedlist> + <listitem> + <para> + <literal>./programs/nm-applet.nix</literal> + </para> + </listitem> + <listitem> + <para> + There is a new <varname>security.googleOsLogin</varname> module for using + <link xlink:href="https://cloud.google.com/compute/docs/instances/managing-instance-access">OS + Login</link> to manage SSH access to Google Compute Engine instances, + which supersedes the imperative and broken + <literal>google-accounts-daemon</literal> used in + <literal>nixos/modules/virtualisation/google-compute-config.nix</literal>. + </para> + </listitem> + <listitem> + <para> + <literal>./services/misc/beanstalkd.nix</literal> + </para> + </listitem> + <listitem> + <para> + There is a new <varname>services.cockroachdb</varname> module for running + CockroachDB databases. NixOS now ships with CockroachDB 2.1.x as well, + available on <literal>x86_64-linux</literal> and + <literal>aarch64-linux</literal>. + </para> + </listitem> + </itemizedlist> + + <itemizedlist> + <listitem> + <para> + <literal>./security/duosec.nix</literal> + </para> + </listitem> + <listitem> + <para> + The <link xlink:href="https://duo.com/docs/duounix">PAM module for Duo + Security</link> has been enabled for use. One can configure it using the + <option>security.duosec</option> options along with the corresponding PAM + option in + <option>security.pam.services.<name?>.duoSecurity.enable</option>. + </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-19.03-incompatibilities"> + <title>Backward Incompatibilities</title> + + <para> + When upgrading from a previous release, please be aware of the following + incompatible changes: + </para> + + <itemizedlist> + <listitem> + <para> + The minimum version of Nix required to evaluate Nixpkgs is now 2.0. + </para> + <itemizedlist> + <listitem> + <para> + For users of NixOS 18.03 and 19.03, NixOS defaults to Nix 2.0, but + supports using Nix 1.11 by setting <literal>nix.package = + pkgs.nix1;</literal>. If this option is set to a Nix 1.11 package, you + will need to either unset the option or upgrade it to Nix 2.0. + </para> + </listitem> + <listitem> + <para> + For users of NixOS 17.09, you will first need to upgrade Nix by setting + <literal>nix.package = pkgs.nixStable2;</literal> and run + <command>nixos-rebuild switch</command> as the <literal>root</literal> + user. + </para> + </listitem> + <listitem> + <para> + For users of a daemon-less Nix installation on Linux or macOS, you can + upgrade Nix by running <command>curl https://nixos.org/nix/install | + sh</command>, or prior to doing a channel update, running + <command>nix-env -iA nix</command>. + </para> + <para> + If you have already run a channel update and Nix is no longer able to + evaluate Nixpkgs, the error message printed should provide adequate + directions for upgrading Nix. + </para> + </listitem> + <listitem> + <para> + For users of the Nix daemon on macOS, you can upgrade Nix by running + <command>sudo -i sh -c 'nix-channel --update && nix-env -iA + nixpkgs.nix'; sudo launchctl stop org.nixos.nix-daemon; sudo launchctl + start org.nixos.nix-daemon</command>. + </para> + </listitem> + </itemizedlist> + </listitem> + <listitem> + <para> + The <varname>buildPythonPackage</varname> function now sets + <varname>strictDeps = true</varname> to help distinguish between native + and non-native dependencies in order to improve cross-compilation + compatibility. Note however that this may break user expressions. + </para> + </listitem> + <listitem> + <para> + The <varname>buildPythonPackage</varname> function now sets <varname>LANG + = C.UTF-8</varname> to enable Unicode support. The + <varname>glibcLocales</varname> package is no longer needed as a build + input. + </para> + </listitem> + <listitem> + <para> + The Syncthing state and configuration data has been moved from + <varname>services.syncthing.dataDir</varname> to the newly defined + <varname>services.syncthing.configDir</varname>, which default to + <literal>/var/lib/syncthing/.config/syncthing</literal>. This change makes + possible to share synced directories using ACLs without Syncthing + resetting the permission on every start. + </para> + </listitem> + <listitem> + <para> + The <literal>ntp</literal> module now has sane default restrictions. If + you're relying on the previous defaults, which permitted all queries and + commands from all firewall-permitted sources, you can set + <varname>services.ntp.restrictDefault</varname> and + <varname>services.ntp.restrictSource</varname> to <literal>[]</literal>. + </para> + </listitem> + <listitem> + <para> + Package <varname>rabbitmq_server</varname> is renamed to + <varname>rabbitmq-server</varname>. + </para> + </listitem> + <listitem> + <para> + The <literal>light</literal> module no longer uses setuid binaries, but + udev rules. As a consequence users of that module have to belong to the + <literal>video</literal> group in order to use the executable (i.e. + <literal>users.users.yourusername.extraGroups = ["video"];</literal>). + </para> + </listitem> + <listitem> + <para> + Buildbot now supports Python 3 and its packages have been moved to + <literal>pythonPackages</literal>. The options + <option>services.buildbot-master.package</option> and + <option>services.buildbot-worker.package</option> can be used to select + the Python 2 or 3 version of the package. + </para> + </listitem> + <listitem> + <para> + Options + <literal>services.znc.confOptions.networks.<replaceable>name</replaceable>.userName</literal> + and + <literal>services.znc.confOptions.networks.<replaceable>name</replaceable>.modulePackages</literal> + were removed. They were never used for anything and can therefore safely + be removed. + </para> + </listitem> + <listitem> + <para> + Package <literal>wasm</literal> has been renamed + <literal>proglodyte-wasm</literal>. The package <literal>wasm</literal> + will be pointed to <literal>ocamlPackages.wasm</literal> in 19.09, so make + sure to update your configuration if you want to keep + <literal>proglodyte-wasm</literal> + </para> + </listitem> + <listitem> + <para> + When the <literal>nixpkgs.pkgs</literal> option is set, NixOS will no + longer ignore the <literal>nixpkgs.overlays</literal> option. The old + behavior can be recovered by setting <literal>nixpkgs.overlays = + lib.mkForce [];</literal>. + </para> + </listitem> + <listitem> + <para> + OpenSMTPD has been upgraded to version 6.4.0p1. This release makes + backwards-incompatible changes to the configuration file format. See + <command>man smtpd.conf</command> for more information on the new file + format. + </para> + </listitem> + <listitem> + <para> + The versioned <varname>postgresql</varname> have been renamed to use + underscore number seperators. For example, <varname>postgresql96</varname> + has been renamed to <varname>postgresql_9_6</varname>. + </para> + </listitem> + <listitem> + <para> + Package <literal>consul-ui</literal> and passthrough + <literal>consul.ui</literal> have been removed. The package + <literal>consul</literal> now uses upstream releases that vendor the UI + into the binary. See + <link xlink:href="https://github.com/NixOS/nixpkgs/pull/48714#issuecomment-433454834">#48714</link> + for details. + </para> + </listitem> + <listitem> + <para> + Slurm introduces the new option + <literal>services.slurm.stateSaveLocation</literal>, which is now set to + <literal>/var/spool/slurm</literal> by default (instead of + <literal>/var/spool</literal>). Make sure to move all files to the new + directory or to set the option accordingly. + </para> + <para> + The slurmctld now runs as user <literal>slurm</literal> instead of + <literal>root</literal>. If you want to keep slurmctld running as + <literal>root</literal>, set <literal>services.slurm.user = + root</literal>. + </para> + <para> + The options <literal>services.slurm.nodeName</literal> and + <literal>services.slurm.partitionName</literal> are now sets of strings to + correctly reflect that fact that each of these options can occour more + than once in the configuration. + </para> + </listitem> + <listitem> + <para> + The <literal>solr</literal> package has been upgraded from 4.10.3 to 7.5.0 + and has undergone some major changes. The <literal>services.solr</literal> + module has been updated to reflect these changes. Please review + http://lucene.apache.org/solr/ carefully before upgrading. + </para> + </listitem> + <listitem> + <para> + Package <literal>ckb</literal> is renamed to <literal>ckb-next</literal>, + and options <literal>hardware.ckb.*</literal> are renamed to + <literal>hardware.ckb-next.*</literal>. + </para> + </listitem> + <listitem> + <para> + The option + <literal>services.xserver.displayManager.job.logToFile</literal> which was + previously set to <literal>true</literal> when using the display managers + <literal>lightdm</literal>, <literal>sddm</literal> or + <literal>xpra</literal> has been reset to the default value + (<literal>false</literal>). + </para> + </listitem> + <listitem> + <para> + Network interface indiscriminate NixOS firewall options + (<literal>networking.firewall.allow*</literal>) are now preserved when + also setting interface specific rules such as + <literal>networking.firewall.interfaces.en0.allow*</literal>. These rules + continue to use the pseudo device "default" + (<literal>networking.firewall.interfaces.default.*</literal>), and + assigning to this pseudo device will override the + (<literal>networking.firewall.allow*</literal>) options. + </para> + </listitem> + <listitem> + <para> + The <literal>nscd</literal> service now disables all caching of + <literal>passwd</literal> and <literal>group</literal> databases by + default. This was interferring with the correct functioning of the + <literal>libnss_systemd.so</literal> module which is used by + <literal>systemd</literal> to manage uids and usernames in the presence of + <literal>DynamicUser=</literal> in systemd services. This was already the + default behaviour in presence of <literal>services.sssd.enable = + true</literal> because nscd caching would interfere with + <literal>sssd</literal> in unpredictable ways as well. Because we're using + nscd not for caching, but for convincing glibc to find NSS modules in the + nix store instead of an absolute path, we have decided to disable caching + globally now, as it's usually not the behaviour the user wants and can + lead to surprising behaviour. Furthermore, negative caching of host + lookups is also disabled now by default. This should fix the issue of dns + lookups failing in the presence of an unreliable network. + </para> + <para> + If the old behaviour is desired, this can be restored by setting the + <literal>services.nscd.config</literal> option with the desired caching + parameters. +<programlisting> + services.nscd.config = + '' + server-user nscd + threads 1 + paranoia no + debug-level 0 + + enable-cache passwd yes + positive-time-to-live passwd 600 + negative-time-to-live passwd 20 + suggested-size passwd 211 + check-files passwd yes + persistent passwd no + shared passwd yes + + enable-cache group yes + positive-time-to-live group 3600 + negative-time-to-live group 60 + suggested-size group 211 + check-files group yes + persistent group no + shared group yes + + enable-cache hosts yes + positive-time-to-live hosts 600 + negative-time-to-live hosts 5 + suggested-size hosts 211 + check-files hosts yes + persistent hosts no + shared hosts yes + ''; + </programlisting> + See + <link xlink:href="https://github.com/NixOS/nixpkgs/pull/50316">#50316</link> + for details. + </para> + </listitem> + <listitem> + <para> + GitLab Shell previously used the nix store paths for the + <literal>gitlab-shell</literal> command in its + <literal>authorized_keys</literal> file, which might stop working after + garbage collection. To circumvent that, we regenerated that file on each + startup. As <literal>gitlab-shell</literal> has now been changed to use + <literal>/var/run/current-system/sw/bin/gitlab-shell</literal>, this is + not necessary anymore, but there might be leftover lines with a nix store + path. Regenerate the <literal>authorized_keys</literal> file via + <command>sudo -u git -H gitlab-rake gitlab:shell:setup</command> in that + case. + </para> + </listitem> + <listitem> + <para> + The <literal>pam_unix</literal> account module is now loaded with its + control field set to <literal>required</literal> instead of + <literal>sufficient</literal>, so that later PAM account modules that + might do more extensive checks are being executed. Previously, the whole + account module verification was exited prematurely in case a nss module + provided the account name to <literal>pam_unix</literal>. The LDAP and + SSSD NixOS modules already add their NSS modules when enabled. In case + your setup breaks due to some later PAM account module previosuly + shadowed, or failing NSS lookups, please file a bug. You can get back the + old behaviour by manually setting <literal> +<![CDATA[security.pam.services.<name?>.text]]> + </literal>. + </para> + </listitem> + <listitem> + <para> + The <literal>pam_unix</literal> password module is now loaded with its + control field set to <literal>sufficient</literal> instead of + <literal>required</literal>, so that password managed only by later PAM + password modules are being executed. Previously, for example, changing an + LDAP account's password through PAM was not possible: the whole password + module verification was exited prematurely by <literal>pam_unix</literal>, + preventing <literal>pam_ldap</literal> to manage the password as it + should. + </para> + </listitem> + <listitem> + <para> + <literal>fish</literal> has been upgraded to 3.0. It comes with a number + of improvements and backwards incompatible changes. See the + <literal>fish</literal> + <link xlink:href="https://github.com/fish-shell/fish-shell/releases/tag/3.0.0">release + notes</link> for more information. + </para> + </listitem> + <listitem> + <para> + The ibus-table input method has had a change in config format, which + causes all previous settings to be lost. See + <link xlink:href="https://github.com/mike-fabian/ibus-table/commit/f9195f877c5212fef0dfa446acb328c45ba5852b">this + commit message</link> for details. + </para> + </listitem> + <listitem> + <para> + NixOS module system type <literal>types.optionSet</literal> and + <literal>lib.mkOption</literal> argument <literal>options</literal> are + deprecated. Use <literal>types.submodule</literal> instead. + (<link xlink:href="https://github.com/NixOS/nixpkgs/pull/54637">#54637</link>) + </para> + </listitem> + <listitem> + <para> + <literal>matrix-synapse</literal> has been updated to version 0.99. It + will <link xlink:href="https://github.com/matrix-org/synapse/pull/4509">no + longer generate a self-signed certificate on first launch</link> and will + be + <link xlink:href="https://matrix.org/blog/2019/02/05/synapse-0-99-0/">the + last version to accept self-signed certificates</link>. As such, it is now + recommended to use a proper certificate verified by a root CA (for example + Let's Encrypt). The new <link linkend="module-services-matrix">manual + chapter on Matrix</link> contains a working example of using nginx as a + reverse proxy in front of <literal>matrix-synapse</literal>, using Let's + Encrypt certificates. + </para> + </listitem> + <listitem> + <para> + <literal>mailutils</literal> now works by default when + <literal>sendmail</literal> is not in a setuid wrapper. As a consequence, + the <literal>sendmailPath</literal> argument, having lost its main use, + has been removed. + </para> + </listitem> + <listitem> + <para> + <literal>graylog</literal> has been upgraded from version 2.* to 3.*. Some + setups making use of extraConfig (especially those exposing Graylog via + reverse proxies) need to be updated as upstream removed/replaced some + settings. See + <link xlink:href="http://docs.graylog.org/en/3.0/pages/upgrade/graylog-3.0.html#simplified-http-interface-configuration">Upgrading + Graylog</link> for details. + </para> + </listitem> + <listitem> + <para> + The option <literal>users.ldap.bind.password</literal> was renamed to <literal>users.ldap.bind.passwordFile</literal>, + and needs to be readable by the <literal>nslcd</literal> user. + Same applies to the new <literal>users.ldap.daemon.rootpwmodpwFile</literal> option. + </para> + </listitem> + <listitem> + <para> + <literal>nodejs-6_x</literal> is end-of-life. + <literal>nodejs-6_x</literal>, <literal>nodejs-slim-6_x</literal> and + <literal>nodePackages_6_x</literal> are removed. + </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-19.03-notable-changes"> + <title>Other Notable Changes</title> + + <itemizedlist> + <listitem> + <para> + The <option>services.matomo</option> module gained the option + <option>services.matomo.package</option> which determines the used Matomo + version. + </para> + <para> + The Matomo module now also comes with the systemd service + <literal>matomo-archive-processing.service</literal> and a timer that + automatically triggers archive processing every hour. This means that you + can safely + <link xlink:href="https://matomo.org/docs/setup-auto-archiving/#disable-browser-triggers-for-matomo-archiving-and-limit-matomo-reports-to-updating-every-hour"> + disable browser triggers for Matomo archiving </link> at + <literal>Administration > System > General Settings</literal>. + </para> + <para> + Additionally, you can enable to + <link xlink:href="https://matomo.org/docs/privacy/#step-2-delete-old-visitors-logs"> + delete old visitor logs </link> at <literal>Administration > System > + Privacy</literal>, but make sure that you run <literal>systemctl start + matomo-archive-processing.service</literal> at least once without errors + if you have already collected data before, so that the reports get + archived before the source data gets deleted. + </para> + </listitem> + <listitem> + <para> + <literal>composableDerivation</literal> along with supporting library + functions has been removed. + </para> + </listitem> + <listitem> + <para> + The deprecated <literal>truecrypt</literal> package has been removed and + <literal>truecrypt</literal> attribute is now an alias for + <literal>veracrypt</literal>. VeraCrypt is backward-compatible with + TrueCrypt volumes. Note that <literal>cryptsetup</literal> also supports + loading TrueCrypt volumes. + </para> + </listitem> + <listitem> + <para> + The Kubernetes DNS addons, kube-dns, has been replaced with CoreDNS. This + change is made in accordance with Kubernetes making CoreDNS the official + default starting from + <link xlink:href="https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.11.md#sig-cluster-lifecycle">Kubernetes + v1.11</link>. Please beware that upgrading DNS-addon on existing clusters + might induce minor downtime while the DNS-addon terminates and + re-initializes. Also note that the DNS-service now runs with 2 pod + replicas by default. The desired number of replicas can be configured + using: <option>services.kubernetes.addons.dns.replicas</option>. + </para> + </listitem> + <listitem> + <para> + The quassel-webserver package and module was removed from nixpkgs due to + the lack of maintainers. + </para> + </listitem> + <listitem> + <para> + The manual gained a <link linkend="module-services-matrix"> new chapter on + self-hosting <literal>matrix-synapse</literal> and + <literal>riot-web</literal> </link>, the most prevalent server and client + implementations for the + <link xlink:href="https://matrix.org/">Matrix</link> federated + communication network. + </para> + </listitem> + <listitem> + <para> + The astah-community package was removed from nixpkgs due to it being + discontinued and the downloads not being available anymore. + </para> + </listitem> + <listitem> + <para> + The httpd service now saves log files with a .log file extension by + default for easier integration with the logrotate service. + </para> + </listitem> + <listitem> + <para> + The owncloud server packages and httpd subservice module were removed from + nixpkgs due to the lack of maintainers. + </para> + </listitem> + <listitem> + <para> + It is possible now to uze ZRAM devices as general purpose ephemeral block + devices, not only as swap. Using more than 1 device as ZRAM swap is no + longer recommended, but is still possible by setting + <literal>zramSwap.swapDevices</literal> explicitly. + </para> + <para> + ZRAM algorithm can be changed now. + </para> + <para> + Changes to ZRAM algorithm are applied during <literal>nixos-rebuild + switch</literal>, so make sure you have enough swap space on disk to + survive ZRAM device rebuild. Alternatively, use <literal>nixos-rebuild + boot; reboot</literal>. + </para> + </listitem> + <listitem> + <para> + Flat volumes are now disabled by default in + <literal>hardware.pulseaudio</literal>. This has been done to prevent + applications, which are unaware of this feature, setting their volumes to + 100% on startup causing harm to your audio hardware and potentially your + ears. + </para> + <note> + <para> + With this change application specific volumes are relative to the master + volume which can be adjusted independently, whereas before they were + absolute; meaning that in effect, it scaled the device-volume with the + volume of the loudest application. + </para> + </note> + </listitem> + <listitem> + <para> + The + <link xlink:href="https://github.com/DanielAdolfsson/ndppd"><literal>ndppd</literal></link> + module now supports <link linkend="opt-services.ndppd.enable">all config + options</link> provided by the current upstream version as service + options. Additionally the <literal>ndppd</literal> package doesn't contain + the systemd unit configuration from upstream anymore, the unit is + completely configured by the NixOS module now. + </para> + </listitem> + <listitem> + <para> + New installs of NixOS will default to the Redmine 4.x series unless + otherwise specified in <literal>services.redmine.package</literal> while + existing installs of NixOS will default to the Redmine 3.x series. + </para> + </listitem> + <listitem> + <para> + The <link linkend="opt-services.grafana.enable">Grafana module</link> now + supports declarative + <link xlink:href="http://docs.grafana.org/administration/provisioning/">datasource + and dashboard</link> provisioning. + </para> + </listitem> + <listitem> + <para> + The use of insecure ports on kubernetes has been deprecated. Thus options: + <varname>services.kubernetes.apiserver.port</varname> and + <varname>services.kubernetes.controllerManager.port</varname> has been + renamed to <varname>.insecurePort</varname>, and default of both options + has changed to 0 (disabled). + </para> + </listitem> + <listitem> + <para> + Note that the default value of + <varname>services.kubernetes.apiserver.bindAddress</varname> has changed + from 127.0.0.1 to 0.0.0.0, allowing the apiserver to be accessible from + outside the master node itself. If the apiserver insecurePort is enabled, + it is strongly recommended to only bind on the loopback interface. See: + <varname>services.kubernetes.apiserver.insecurebindAddress</varname>. + </para> + </listitem> + <listitem> + <para> + The option + <varname>services.kubernetes.apiserver.allowPrivileged</varname> and + <varname>services.kubernetes.kubelet.allowPrivileged</varname> now + defaults to false. Disallowing privileged containers on the cluster. + </para> + </listitem> + <listitem> + <para> + The kubernetes module does no longer add the kubernetes package to + <varname>environment.systemPackages</varname> implicitly. + </para> + </listitem> + <listitem> + <para> + The <literal>intel</literal> driver has been removed from the default list + of <link linkend="opt-services.xserver.videoDrivers">X.org video + drivers</link>. The <literal>modesetting</literal> driver should take over + automatically, it is better maintained upstream and has less problems with + advanced X11 features. This can lead to a change in the output names used + by <literal>xrandr</literal>. Some performance regressions on some GPU + models might happen. Some OpenCL and VA-API applications might also break + (Beignet seems to provide OpenCL support with + <literal>modesetting</literal> driver, too). Kernel mode setting API does + not support backlight control, so <literal>xbacklight</literal> tool will + not work; backlight level can be controlled directly via + <literal>/sys/</literal> or with <literal>brightnessctl</literal>. Users + who need this functionality more than multi-output XRandR are advised to + add `intel` to `videoDrivers` and report an issue (or provide additional + details in an existing one) + </para> + </listitem> + <listitem> + <para> + Openmpi has been updated to version 4.0.0, which removes some deprecated + MPI-1 symbols. This may break some older applications that still rely on + those symbols. An upgrade guide can be found + <link xlink:href="https://www.open-mpi.org/faq/?category=mpi-removed">here</link>. + </para> + <para> + The nginx package now relies on OpenSSL 1.1 and supports TLS 1.3 by + default. You can set the protocols used by the nginx service using + <xref linkend="opt-services.nginx.sslProtocols"/>. + </para> + </listitem> + <listitem> + <para> + A new subcommand <command>nixos-rebuild edit</command> was added. + </para> + </listitem> + </itemizedlist> + </section> +</section> |