In addition to numerous new and upgraded packages, this release has the following highlights: Support is planned until the end of June 2022, handing over to 22.05.

PHP now defaults to PHP 8.0, updated from 7.4. kOps now defaults to 1.21.0, which uses containerd as the default runtime.

btrbk, a backup tool for btrfs subvolumes, taking advantage of btrfs specific capabilities to create atomic snapshots and transfer them incrementally to your backup locations. Available as services.btrbk. geoipupdate, a GeoIP database updater from MaxMind. Available as services.geoipupdate. Kea, ISCs 2nd generation DHCP and DDNS server suite. Available at services.kea. sourcehut, a collection of tools useful for software development. Available as services.sourcehut. ucarp, an userspace implementation of the Common Address Redundancy Protocol (CARP). Available as networking.ucarp. Users of flashrom should migrate to programs.flashrom.enable and add themselves to the flashrom group to be able to access programmers supported by flashrom. vikunja, a to-do list app. Available as services.vikunja. snapraid, a backup program for disk arrays. Available as snapraid. Hockeypuck, a OpenPGP Key Server. Available as services.hockeypuck.

The staticjinja package has been upgraded from 1.0.4 to 3.0.1 services.geoip-updater was broken and has been replaced by services.geoipupdate. PHP 7.3 is no longer supported due to upstream not supporting this version for the entire lifecycle of the 21.11 release. Those making use of buildBazelPackage will need to regenerate the fetch hashes (preferred), or set fetchConfigured = false;. consul was upgraded to a new major release with breaking changes, see upstream changelog. fsharp41 has been removed in preference to use the latest dotnet-sdk The following F#-related packages have been removed for being unmaintaned. Please use fetchNuGet for specific packages. ExtCore Fake Fantomas FsCheck FsCheck262 FsCheckNunit FSharpAutoComplete FSharpCompilerCodeDom FSharpCompilerService FSharpCompilerTools FSharpCore302 FSharpCore3125 FSharpCore4001 FSharpCore4117 FSharpData FSharpData225 FSharpDataSQLProvider FSharpFormatting FsLexYacc FsLexYacc706 FsLexYaccRuntime FsPickler FsUnit Projekt Suave UnionArgParser ExcelDnaRegistration MathNetNumerics programs.x2goserver is now services.x2goserver The following dotnet-related packages have been removed for being unmaintaned. Please use fetchNuGet for specific packages. Autofac SystemValueTuple MicrosoftDiaSymReader MicrosoftDiaSymReaderPortablePdb SystemCollectionsImmutable SystemCollectionsImmutable131 SystemReflectionMetadata NUnit350 Deedle ExcelDna GitVersionTree NDeskOptions The antlr package now defaults to the 4.x release instead of the old 2.7.7 version. The pulseeffects package updated to version 4.x and renamed to easyeffects. The libwnck package now defaults to the 3.x release instead of the old 2.31.0 version. The bitwarden_rs packages and modules were renamed to vaultwarden following upstream. More specifically, pkgs.bitwarden_rs, pkgs.bitwarden_rs-sqlite, pkgs.bitwarden_rs-mysql and pkgs.bitwarden_rs-postgresql were renamed to pkgs.vaultwarden, pkgs.vaultwarden-sqlite, pkgs.vaultwarden-mysql and pkgs.vaultwarden-postgresql, respectively. Old names are preserved as aliases for backwards compatibility, but may be removed in the future. The bitwarden_rs executable was also renamed to vaultwarden in all packages. pkgs.bitwarden_rs-vault was renamed to pkgs.vaultwarden-vault. pkgs.bitwarden_rs-vault is preserved as an alias for backwards compatibility, but may be removed in the future. The static files were moved from /usr/share/bitwarden_rs to /usr/share/vaultwarden. The services.bitwarden_rs config module was renamed to services.vaultwarden. services.bitwarden_rs is preserved as an alias for backwards compatibility, but may be removed in the future. systemd.services.bitwarden_rs, systemd.services.backup-bitwarden_rs and systemd.timers.backup-bitwarden_rs were renamed to systemd.services.vaultwarden, systemd.services.backup-vaultwarden and systemd.timers.backup-vaultwarden, respectively. Old names are preserved as aliases for backwards compatibility, but may be removed in the future. users.users.bitwarden_rs and users.groups.bitwarden_rs were renamed to users.users.vaultwarden and users.groups.vaultwarden, respectively. The data directory remains located at /var/lib/bitwarden_rs, for backwards compatibility. yggdrasil was upgraded to a new major release with breaking changes, see upstream changelog. icingaweb2 was upgraded to a new release which requires a manual database upgrade, see upstream changelog.

The setting services.openssh.logLevel "VERBOSE" "INFO". This brings NixOS in line with upstream and other Linux distributions, and reduces log spam on servers due to bruteforcing botnets. However, if services.fail2ban.enable is true, the fail2ban will override the verbosity to "VERBOSE", so that fail2ban can observe the failed login attempts from the SSH logs. Sway: The terminal emulator rxvt-unicode is no longer installed by default via programs.sway.extraPackages. The current default configuration uses alacritty (and soon foot) so this is only an issue when using a customized configuration and not installing rxvt-unicode explicitly. The claws-mail package now references the new GTK+ 3 release branch, major version 4. To use the GTK+ 2 releases, one can install the claws-mail-gtk2 package. The wordpress module provides a new interface which allows to use different webservers with the new option services.wordpress.webserver. Currently httpd and nginx are supported. The definitions of wordpress sites should now be set in services.wordpress.sites. Sites definitions that use the old interface are automatically migrated in the new option. This backward compatibility will be removed in 22.05.