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15th chunk of `nixos/doc/manual/release-notes/rl-2111.section.md`
8f58968e8f325daa9eda7b0b4a2f881892abb438c6d39d2e0000000100000c06
- The `cawbird` Twitter client now uses its own API keys to count as different application than upstream builds. This is done to evade application-level rate limiting. While existing accounts continue to work, users may want to remove and re-register their account in the client to enjoy a better user experience and benefit from this change.

- A new option `services.prometheus.enableReload` has been added which can be enabled to reload the prometheus service when its config file changes instead of restarting.

- The option `services.prometheus.environmentFile` has been removed since it was causing [issues](https://github.com/NixOS/nixpkgs/issues/126083) and Prometheus now has native support for secret files, i.e. `basic_auth.password_file` and `authorization.credentials_file`.

- Dokuwiki now supports caddy! However
  - the nginx option has been removed, in the new configuration, please use the `dokuwiki.webserver = "nginx"` instead.
  - The "${hostname}" option has been deprecated, please use `dokuwiki.sites = [ "${hostname}" ]` instead

- The [services.unifi](options.html#opt-services.unifi.enable) module has been reworked, solving a number of issues. This leads to several user facing changes:
  - The `services.unifi.dataDir` option is removed and the data is now always located under `/var/lib/unifi/data`. This is done to make better use of systemd state direcotiry and thus making the service restart more reliable.
  - The unifi logs can now be found under: `/var/log/unifi` instead of `/var/lib/unifi/logs`.
  - The unifi run directory can now be found under: `/run/unifi` instead of `/var/lib/unifi/run`.

- `security.pam.services.<name>.makeHomeDir` now uses `umask=0077` instead of `umask=0022` when creating the home directory.

- Loki has had another release. Some default values have been changed for the configuration and some configuration options have been renamed. For more details, please check [the upgrade guide](https://grafana.com/docs/loki/latest/upgrading/#240).

- `julia` now refers to `julia-stable` instead of `julia-lts`. In practice this means it has been upgraded from `1.0.4` to `1.5.4`.

- RetroArch has been upgraded from version `1.8.5` to `1.9.13.2`. Since the previous release was quite old, if you're having issues after the upgrade, please delete your `$XDG_CONFIG_HOME/retroarch/retroarch.cfg` file.

- hydrus has been upgraded from version `438` to `463`. Since upgrading between releases this old is advised against, be sure to have a backup of your data before upgrading. For details, see [the hydrus manual](https://hydrusnetwork.github.io/hydrus/help/getting_started_installing.html#big_updates).

- More jdk and jre versions are now exposed via `java-packages.compiler`.

- The sets `haskell.packages` and `haskell.compiler` now contain for every ghc version an attribute with the minor version dropped. E.g. for `ghc8107` there also now exists `ghc810`. Those attributes point to the same compilers and packagesets but have the advantage that e.g. `ghc92` stays stable when we update from `ghc925` to `ghc926`.
Title: Diverse Software Updates and Module Refinements
Summary
This chunk details various software updates and configuration changes. Cawbird now uses dedicated API keys to bypass Twitter rate limits, prompting account re-registration. Prometheus introduces `enableReload` for config updates and removes `environmentFile` for native secret support. Dokuwiki gains Caddy support and updates Nginx/hostname configurations. The `services.unifi` module was reworked, standardizing data, log, and run paths. `security.pam.services.<name>.makeHomeDir` now uses a stricter `umask=0077`. Loki received an update with changed defaults and renamed options. Julia was upgraded from 1.0.4 to 1.5.4. RetroArch (1.8.5 to 1.9.13.2) and Hydrus (438 to 463) had major version upgrades, with users advised to delete RetroArch configs or back up Hydrus data. More JDK/JRE versions are exposed via `java-packages.compiler`. Haskell packages and compilers now provide minor version-agnostic attributes for stability.