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nixpkgs/nixos/doc/manual/release-notes/rl-2405.section.md

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Release 24.05 (“Uakari”, 2024.05/??)

Support is planned until the end of December 2024, handing over to 24.11.

Highlights

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

  • screen's module has been cleaned, and will now require you to set programs.screen.enable in order to populate screenrc and add the program to the environment.

  • NixOS now installs a stub ELF loader that prints an informative error message when users attempt to run binaries not made for NixOS.

    • This can be disabled through the environment.stub-ld.enable option.
    • If you use programs.nix-ld.enable, no changes are needed. The stub will be disabled automatically.

  • On flake-based NixOS configurations using nixpkgs.lib.nixosSystem, NixOS will automatically set NIX_PATH and the system-wide flake registry (/etc/nix/registry.json) to point <nixpkgs> and the unqualified flake path nixpkgs to the version of nixpkgs used to build the system.

    This makes nix run nixpkgs#hello and nix-build '<nixpkgs>' -A hello work out of the box with no added configuration, reusing dependencies already on the system.

    This may be undesirable if nix commands are not going to be run on the built system since it adds nixpkgs to the system closure. For such closure-size-constrained non-interactive systems, this setting should be disabled.

    To disable this, set nixpkgs.flake.setNixPath and nixpkgs.flake.setFlakeRegistry to false.

  • Julia environments can now be built with arbitrary packages from the ecosystem using the .withPackages function. For example: julia.withPackages ["Plots"].

New Services

Backward Incompatibilities

  • The power.ups module now generates upsd.conf, upsd.users and upsmon.conf automatically from a set of new configuration options. This breaks compatibility with existing power.ups setups where these files were created manually. Back up these files before upgrading NixOS.

  • k9s was updated to v0.30. There have been various breaking changes in the config file format, check out the changelog of v0.29 and v0.30 for details. It is recommended to back up your current configuration and let k9s recreate the new base configuration.

  • idris2 was updated to v0.7.0. This version introduces breaking changes. Check out the changelog for details.

  • nitter requires a guest_accounts.jsonl to be provided as a path or loaded into the default location at /var/lib/nitter/guest_accounts.jsonl. See Guest Account Branch Deployment for details.

  • Invidious has changed its default database username from kemal to invidious. Setups involving an externally provisioned database (i.e. services.invidious.database.createLocally == false) should adjust their configuration accordingly. The old kemal user will not be removed automatically even when the database is provisioned automatically.(https://github.com/NixOS/nixpkgs/pull/265857)

  • mkosi was updated to v19. Parts of the user interface have changed. Consult the release notes for a list of changes.

  • The kanata package has been updated to v1.5.0, which includes breaking changes.

  • The latest available version of Nextcloud is v28 (available as pkgs.nextcloud28). The installation logic is as follows:

  • services.resolved.fallbackDns can now be used to disable the upstream fallback servers entirely by setting it to an empty list. To get the previous behaviour of the upstream defaults set it to null, the new default, instead.

  • services.avahi.nssmdns got split into services.avahi.nssmdns4 and services.avahi.nssmdns6 which enable the mDNS NSS switch for IPv4 and IPv6 respectively. Since most mDNS responders only register IPv4 addresses, most users want to keep the IPv6 support disabled to avoid long timeouts.

  • networking.iproute2.enable now does not set environment.etc."iproute2/rt_tables".text.

    Setting environment.etc."iproute2/{CONFIG_FILE_NAME}".text will override the whole configuration file instead of appending it to the upstream configuration file.

    CONFIG_FILE_NAME includes bpf_pinning, ematch_map, group, nl_protos, rt_dsfield, rt_protos, rt_realms, rt_scopes, and rt_tables.

  • The systemd.oomd module behavior is changed as:

    • Raise ManagedOOMMemoryPressureLimit from 50% to 80%. This should make systemd-oomd kill things less often, and fix issues like this. Reference: commit

    • Remove swap policy. This helps prevent killing processes when user's swap is small.

    • Expand the memory pressure policy to system.slice, user-.slice, and all user owned slices. Reference: commit

    • systemd.oomd.enableUserServices is renamed to systemd.oomd.enableUserSlices.

Other Notable Changes

  • addDriverRunpath has been added to facilitate the deprecation of the old addOpenGLRunpath setuphook. This change is motivated by the evolution of the setuphook to include all hardware acceleration.

  • Cinnamon has been updated to 6.0. Please beware that the Wayland session is still experimental in this release.

  • services.postgresql.extraPlugins changed its type from just a list of packages to also a function that returns such a list. For example a config line like services.postgresql.extraPlugins = with pkgs.postgresql_11.pkgs; [ postgis ]; is recommended to be changed to services.postgresql.extraPlugins = ps: with ps; [ postgis ];;

  • Programs written in Nim are built with libraries selected by lockfiles. The nimPackages and nim2Packages sets have been removed. See https://nixos.org/manual/nixpkgs/unstable#nim for more information.

  • Portunus has been updated to major version 2. This version of Portunus supports strong password hashes, but the legacy hash SHA-256 is also still supported to ensure a smooth migration of existing user accounts. After upgrading, follow the instructions on the upstream release notes to upgrade all user accounts to strong password hashes. Support for weak password hashes will be removed in NixOS 24.11.

  • libass now uses the native CoreText backend on Darwin, which may fix subtitle rendering issues with mpv, ffmpeg, etc.

  • The following options of the Nextcloud module were moved into services.nextcloud.extraOptions and renamed to match the name from Nextcloud's config.php:

  • The Yama LSM is now enabled by default in the kernel, which prevents ptracing non-child processes. This means you will not be able to attach gdb to an existing process, but will need to start that process from gdb (so it is a child). Or you can set boot.kernel.sysctl."kernel.yama.ptrace_scope" to 0.

  • Nginx virtual hosts using forceSSL or globalRedirect can now have redirect codes other than 301 through redirectCode.

  • The source of the mockgen package has changed to the go.uber.org/mock fork because the original repository is no longer maintained.

  • changed from a string to an integer because of the addition of a custom merge option (taking the highest value defined to avoid conflicts between 2 services trying to set that value), just as since 22.11.

  • services.zfs.zed.enableMail now uses the global sendmail wrapper defined by an email module (such as msmtp or Postfix). It no longer requires using a special ZFS build with email support.

  • Gitea 1.21 upgrade has several breaking changes, including:

    • Custom themes and other assets that were previously stored in custom/public/* now belong in custom/public/assets/*
    • New instances of Gitea using MySQL now ignore the [database].CHARSET config option and always use the utf8mb4 charset, existing instances should migrate via the gitea doctor convert CLI command.

  • The hardware.pulseaudio module now sets permission of pulse user home directory to 755 when running in "systemWide" mode. It fixes issue 114399.

  • The btrbk module now automatically selects and provides required compression program depending on the configured stream_compress option. Since this replaces the need for the extraPackages option, this option will be deprecated in future releases.

  • QtMultimedia has changed its default backend to QT_MEDIA_BACKEND=ffmpeg (previously gstreamer on Linux or darwin on MacOS). The previous native backends remain available but are now minimally maintained. Refer to upstream documentation for further details about each platform.