nixpkgs/nixos/doc/manual/release-notes/rl-2205.section.md

# Release 22.05 (“Quokka”, 2022.05/??) {#sec-release-22.05}

In addition to numerous new and upgraded packages, this release has the following highlights:

- Support is planned until the end of December 2022, handing over to 22.11.

## Highlights {#sec-release-22.05-highlights}

- `security.acme.defaults` has been added to simplify configuring
  settings for many certificates at once. This also opens up the
  the option to use DNS-01 validation when using `enableACME` on
  web server virtual hosts (e.g. `services.nginx.virtualHosts.*.enableACME`).

- PHP 8.1 is now available

- Mattermost has been updated to version 6.2. Migrations may take a while,
  see the [upgrade notes](https://docs.mattermost.com/install/self-managed-changelog.html#release-v6.2-feature-release).

## New Services {#sec-release-22.05-new-services}

- [aesmd](https://github.com/intel/linux-sgx#install-the-intelr-sgx-psw), the Intel SGX Architectural Enclave Service Manager. Available as [services.aesmd](#opt-services.aesmd.enable).

- [rootless Docker](https://docs.docker.com/engine/security/rootless/), a `systemd --user` Docker service which runs without root permissions. Available as [virtualisation.docker.rootless.enable](options.html#opt-virtualisation.docker.rootless.enable).

- [matrix-conduit](https://conduit.rs/), a simple, fast and reliable chat server powered by matrix. Available as [services.matrix-conduit](option.html#opt-services.matrix-conduit.enable).

- [filebeat](https://www.elastic.co/guide/en/beats/filebeat/current/filebeat-overview.html), a lightweight shipper for forwarding and centralizing log data. Available as [services.filebeat](#opt-services.filebeat.enable).

- [FRRouting](https://frrouting.org/), a popular suite of Internet routing protocol daemons (BGP, BFD, OSPF, IS-IS, VVRP and others). Available as [services.frr](#opt-services.ffr.babel.enable)

- [heisenbridge](https://github.com/hifi/heisenbridge), a bouncer-style Matrix IRC bridge. Available as [services.heisenbridge](options.html#opt-services.heisenbridge.enable).

- [ergochat](https://ergo.chat), a modern IRC with IRCv3 features. Available as [services.ergochat](options.html#opt-services.ergochat.enable).

- [PowerDNS-Admin](https://github.com/ngoduykhanh/PowerDNS-Admin), a web interface for the PowerDNS server. Available at [services.powerdns-admin](options.html#opt-services.powerdns-admin.enable).

- [maddy](https://maddy.email), a composable all-in-one mail server. Available as [services.maddy](options.html#opt-services.maddy.enable).

- [mtr-exporter](https://github.com/mgumz/mtr-exporter), a Prometheus exporter for mtr metrics. Available as [services.mtr-exporter](options.html#opt-services.mtr-exporter.enable).

- [tetrd](https://tetrd.app), share your internet connection from your device to your PC and vice versa through a USB cable. Available at [services.tetrd](#opt-services.tetrd.enable).

- [ArchiSteamFarm](https://github.com/JustArchiNET/ArchiSteamFarm), a C# application with primary purpose of idling Steam cards from multiple accounts simultaneously. Available as [services.archisteamfarm](options.html#opt-services.archisteamfarm.enable).

- [teleport](https://goteleport.com), allows engineers and security professionals to unify access for SSH servers, Kubernetes clusters, web applications, and databases across all environments. Available at [services.teleport](#opt-services.teleport.enable).

- [BaGet](https://loic-sharma.github.io/BaGet/), a lightweight NuGet and symbol server. Available at [services.baget](#opt-services.baget.enable).

- [prosody-filer](https://github.com/ThomasLeister/prosody-filer), a server for handling XMPP HTTP Upload requests. Available at [services.prosody-filer](#opt-services.prosody-filer.enable).

- [timetagger](https://timetagger.app), an open source time-tracker with an intuitive user experience and powerful reporting. [services.timetagger](options.html#opt-services.timetagger.enable).

- [rstudio-server](https://www.rstudio.com/products/rstudio/#rstudio-server), a browser-based version of the RStudio IDE for the R programming language. Available as [services.rstudio-server](options.html#opt-services.rstudio-server.enable).

## Backward Incompatibilities {#sec-release-22.05-incompatibilities}

- `pkgs.ghc` now refers to `pkgs.targetPackages.haskellPackages.ghc`.
  This *only* makes a difference if you are cross-compiling and will
  ensure that `pkgs.ghc` always runs on the host platform and compiles
  for the target platform (similar to `pkgs.gcc` for example).
  `haskellPackages.ghc` still behaves as before, running on the build
  platform and compiling for the host platform (similar to `stdenv.cc`).
  This means you don't have to adjust your derivations if you use
  `haskellPackages.callPackage`, but when using `pkgs.callPackage` and
  taking `ghc` as an input, you should now use `buildPackages.ghc`
  instead to ensure cross compilation keeps working (or switch to
  `haskellPackages.callPackage`).

- `pkgs.emacsPackages.orgPackages` is removed because org elpa is deprecated.
  The packages in the top level of `pkgs.emacsPackages`, such as org and
  org-contrib, refer to the ones in `pkgs.emacsPackages.elpaPackages` and
  `pkgs.emacsPackages.nongnuPackages` where the new versions will release.

- `services.kubernetes.addons.dashboard` was removed due to it being an outdated version.

- The `mailpile` email webclient (`services.mailpile`) has been removed due to its reliance on python2.

- The MoinMoin wiki engine (`services.moinmoin`) has been removed, because Python 2 is being retired from nixpkgs.

- The `wafHook` hook now honors `NIX_BUILD_CORES` when `enableParallelBuilding` is not set explicitly. Packages can restore the old behaviour by setting `enableParallelBuilding=false`.

- `pkgs.claws-mail-gtk2`, representing Claws Mail's older release version three, was removed in order to get rid of Python 2.
  Please switch to `claws-mail`, which is Claws Mail's latest release based on GTK+3 and Python 3.

- The `writers.writePython2` and corresponding `writers.writePython2Bin` convenience functions to create executable Python 2 scripts in the store were removed in preparation of removal of the Python 2 interpreter.
  Scripts have to be converted to Python 3 for use with `writers.writePython3` or `writers.writePyPy2` needs to be used.

- If you previously used `/etc/docker/daemon.json`, you need to incorporate the changes into the new option `virtualisation.docker.daemon.settings`.

- The backward compatibility in `services.dokuwiki` to configure sites with the
  old interface has been removed. Please use `services.dokuwiki.sites` instead.

- opensmtpd-extras is no longer build with python2 scripting support due to python2 deprecation in nixpkgs

- The `autorestic` package has been upgraded from 1.3.0 to 1.5.0 which introduces breaking changes in config file, check [their migration guide](https://autorestic.vercel.app/migration/1.4_1.5) for more details.

- For `pkgs.python3.pkgs.ipython`, its direct dependency `pkgs.python3.pkgs.matplotlib-inline`
  (which is really an adapter to integrate matplotlib in ipython if it is installed) does
  not depend on `pkgs.python3.pkgs.matplotlib` anymore.
  This is closer to a non-Nix install of ipython.
  This has the added benefit to reduce the closure size of `ipython` from ~400MB to ~160MB
  (including ~100MB for python itself).

- `documentation.man` has been refactored to support choosing a man implementation other than GNU's `man-db`. For this, `documentation.man.manualPages` has been renamed to `documentation.man.man-db.manualPages`. If you want to use the new alternative man implementation `mandoc`, add `documentation.man = { enable = true; man-db.enable = false; mandoc.enable = true; }` to your configuration.

- Normal users (with `isNormalUser = true`) which have non-empty `subUidRanges` or `subGidRanges` set no longer have additional implicit ranges allocated. To enable automatic allocation back set `autoSubUidGidRange = true`.

- `idris2` now requires `--package` when using packages `contrib` and `network`, while previously these idris2 packages were automatically loaded.

- `services.thelounge.private` was removed in favor of `services.thelounge.public`, to follow with upstream changes.

- `pkgs.docbookrx` was removed since it's unmaintained

- MultiMC has been replaced with the fork PolyMC due to upstream developers being hostile to 3rd party package maintainers. PolyMC removes all MultiMC branding and is aimed at providing proper 3rd party packages like the one contained in Nixpkgs. This change affects the data folder where game instances and other save and configuration files are stored. Users with existing installations should rename `~/.local/share/multimc` to `~/.local/share/polymc`. The main config file's path has also moved from `~/.local/share/multimc/multimc.cfg` to `~/.local/share/polymc/polymc.cfg`.

- `pkgs.noto-fonts-cjk` is now deprecated in favor of `pkgs.noto-fonts-cjk-sans`
  and `pkgs.noto-fonts-cjk-serif` because they each have different release
  schedules. To maintain compatibility with prior releases of Nixpkgs,
  `pkgs.noto-fonts-cjk` is currently an alias of `pkgs.noto-fonts-cjk-sans` and
  doesn't include serif fonts.

- The interface that allows activation scripts to restart units has been reworked. Restarting and reloading is now done by a single file `/run/nixos/activation-restart-list` that honors `restartIfChanged` and `reloadIfChanged` of the units.

## Other Notable Changes {#sec-release-22.05-notable-changes}

- The option [services.redis.servers](#opt-services.redis.servers) was added
  to support per-application `redis-server` which is more secure since Redis databases
  are only mere key prefixes without any configuration or ACL of their own.
  Backward-compatibility is preserved by mapping old `services.redis.settings`
  to `services.redis.servers."".settings`, but you are strongly encouraged
  to name each `redis-server` instance after the application using it,
  instead of keeping that nameless one.
  Except for the nameless `services.redis.servers.""`
  still accessible at `127.0.0.1:6379`,
  and to the members of the Unix group `redis`
  through the Unix socket `/run/redis/redis.sock`,
  all other `services.redis.servers.${serverName}`
  are only accessible by default
  to the members of the Unix group `redis-${serverName}`
  through the Unix socket `/run/redis-${serverName}/redis.sock`.

- The option [virtualisation.vmVariant](#opt-virtualisation.vmVariant) was added
  to allow users to make changes to the `nixos-rebuild build-vm` configuration
  that do not apply to their normal system.

  The `config.system.build.vm` attribute now always exists and  defaults to the
  value from `vmVariant`. Configurations that import the `virtualisation/qemu-vm.nix`
  module themselves will override this value, such that `vmVariant` is not used.

  Similarly [virtualisation.vmVariantWithBootloader](#opt-virtualisation.vmVariantWithBootLoader) was added.

- The `writers.writePyPy2`/`writers.writePyPy3` and corresponding `writers.writePyPy2Bin`/`writers.writePyPy3Bin` convenience functions to create executable Python 2/3 scripts using the PyPy interpreter were added.

- The `influxdb2` package was split into `influxdb2-server` and
  `influxdb2-cli`, matching the split that took place upstream. A
  combined `influxdb2` package is still provided in this release for
  backwards compatibilty, but will be removed at a later date.

- The `services.unifi.openPorts` option default value of `true` is now deprecated and will be changed to `false` in 22.11.
  Configurations using this default will print a warning when rebuilt.

- `security.acme` certificates will now correctly check for CA
  revokation before reaching their minimum age.

- Removing domains from `security.acme.certs._name_.extraDomainNames`
  will now correctly remove those domains during rebuild/renew.

- The option
  [programs.ssh.enableAskPassword](#opt-programs.ssh.enableAskPassword) was
  added, decoupling the setting of `SSH_ASKPASS` from
  `services.xserver.enable`. This allows easy usage in non-X11 environments,
  e.g. Wayland.

- The `services.stubby` module was converted to a [settings-style](https://github.com/NixOS/rfcs/blob/master/rfcs/0042-config-option.md) configuration.

- The option `services.duplicati.dataDir` has been added to allow changing the location of duplicati's files.

- `fetchFromSourcehut` now allows fetching repositories recursively
  using `fetchgit` or `fetchhg` if the argument `fetchSubmodules`
  is set to `true`.

- The option `services.thelounge.plugins` has been added to allow installing plugins for The Lounge. Plugins can be found in `pkgs.theLoungePlugins.plugins` and `pkgs.theLoungePlugins.themes`.

- The `firmwareLinuxNonfree` package has been renamed to `linux-firmware`.

- A new module was added for the [Starship](https://starship.rs/) shell prompt,
  providing the options `programs.starship.enable` and `programs.starship.settings`.

- The `zrepl` package has been updated from 0.4.0 to 0.5:
    * The RPC protocol version was bumped; all zrepl daemons in a setup must be updated and restarted before replication can resume.
    * A bug involving encrypt-on-receive has been fixed.  Read the [zrepl documentation](https://zrepl.github.io/configuration/sendrecvoptions.html#job-recv-options-placeholder) and check the output of `zfs get -r encryption,zrepl:placeholder PATH_TO_ROOTFS` on the receiver.