# Release 25.05 (“Warbler”, 2025.05/??) {#sec-release-25.05} ## Highlights {#sec-release-25.05-highlights} <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. --> - The default PHP version has been updated to 8.3. <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. --> ## New Modules {#sec-release-25.05-new-modules} <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. --> - [Kimai](https://www.kimai.org/), a web-based multi-user time-tracking application. Available as [services.kimai](option.html#opt-services.kimai). - [Omnom](https://github.com/asciimoo/omnom), a webpage bookmarking and snapshotting service. Available as [services.omnom](options.html#opt-services.omnom.enable). - [Amazon CloudWatch Agent](https://github.com/aws/amazon-cloudwatch-agent), the official telemetry collector for AWS CloudWatch and AWS X-Ray. Available as [services.amazon-cloudwatch-agent](#opt-services.amazon-cloudwatch-agent.enable). - [agorakit](https://github.com/agorakit/agorakit), an organization tool for citizens' collectives. Available with [services.agorakit](#opt-services.agorakit.enable). <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. --> ## Backward Incompatibilities {#sec-release-25.05-incompatibilities} <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. --> - `binwalk` was updated to 3.1.0, which has been rewritten in rust. The python module is no longer available. See the release notes of [3.1.0](https://github.com/ReFirmLabs/binwalk/releases/tag/v3.1.0) for more information. - `buildGoPackage` has been removed. Use `buildGoModule` instead. See the [Go section in the nixpkgs manual](https://nixos.org/manual/nixpkgs/unstable/#sec-language-go) for details. - `strawberry` has been updated to 1.2, which drops support for the VLC backend and Qt 5. The `strawberry-qt5` package and `withGstreamer`/`withVlc` override options have been removed due to this. - `timescaledb` requires manual upgrade steps. After you run ALTER EXTENSION, you must run [this SQL script](https://github.com/timescale/timescaledb-extras/blob/master/utils/2.15.X-fix_hypertable_foreign_keys.sql). For more details, see the following pull requests [#6797](https://github.com/timescale/timescaledb/pull/6797). PostgreSQL 13 is no longer supported in TimescaleDB v2.16. - Support for CUDA 10 has been dropped, as announced in the 24.11 release notes. - `zammad` has had its support for MySQL removed, since it was never working correctly and is now deprecated upstream. Check the [migration guide](https://docs.zammad.org/en/latest/appendix/migrate-to-postgresql.html) for how to convert your database to PostgreSQL. - The behavior of the `networking.nat.externalIP` and `networking.nat.externalIPv6` options has been changed. `networking.nat.forwardPorts` now only forwards packets destined for the specified IP addresses. - `kanata` was updated to v1.7.0, which introduces several breaking changes. See the release notes of [v1.7.0](https://github.com/jtroo/kanata/releases/tag/v1.7.0) for more information. - `vscode-utils.buildVscodeExtension` now requires pname as an argument - `nerdfonts` has been separated into individual font packages under the namespace `nerd-fonts`. The directories for font files have changed from `$out/share/fonts/{opentype,truetype}/NerdFonts` to `$out/share/fonts/{opentype,truetype}/NerdFonts/<fontDirName>`, where `<fontDirName>` can be found in the [official website](https://www.nerdfonts.com/font-downloads) as the titles in preview images, with the "Nerd Font" suffix and any whitespaces trimmed. - `retroarch` has been refactored and the older `retroarch.override { cores = [ ... ]; }` to create a RetroArch derivation with custom cores doesn't work anymore, use `retroarch.withCores (cores: [ ... ])` instead. If you need more customization (e.g.: custom settings), use `wrapRetroArch` instead. - `gkraken` software and `hardware.gkraken.enable` option have been removed, use `coolercontrol` via `programs.coolercontrol.enable` option instead. - `containerd` has been updated to v2, which contains breaking changes. See the [containerd 2.0](https://github.com/containerd/containerd/blob/main/docs/containerd-2.0.md) documentation for more details. - the notmuch vim plugin now lives in a separate output of the `notmuch` package. Installing `notmuch` will not bring the notmuch vim package anymore, add `vimPlugins.notmuch-vim` to your (Neo)vim configuration if you want the vim plugin. <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. --> ## Other Notable Changes {#sec-release-25.05-notable-changes} <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. --> - Cinnamon has been updated to 6.4. - `bind.cacheNetworks` now only controls access for recursive queries, where it previously controlled access for all queries. <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->