- [snowflake-proxy](https://snowflake.torproject.org/), a system to defeat internet censorship. Available as [services.snowflake-proxy](#opt-services.snowflake-proxy.enable).

- [sslmate-agent](https://sslmate.com/), a daemon for managing SSL/TLS certificates on a server. Available as [services.sslmate-agent](services.sslmate-agent.enable).

- [starship](https://starship.rs), a minimal, blazing-fast, and infinitely customizable prompt for any shell. Available at [programs.startship](#opt-programs.starship.enable).

- [systembus-notify](https://github.com/rfjakob/systembus-notify), allow system level notifications to reach the users. Available as [services.systembus-notify](opt-services.systembus-notify.enable). Please keep in mind that this service should only be enabled on machines with fully trusted users, as any local user is able to DoS user sessions by spamming notifications.

- [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).

- [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).

- [uptermd](https://upterm.dev), an open-source solution for sharing terminal sessions instantly over the public internet via secure tunnels. Available at [services.uptermd](#opt-services.uptermd.enable).

- [usbrelayd](https://github.com/darrylb123/usbrelay), an USB Relay MQTT daemon. Available as [services.usbrelayd](#opt-services.usbrelayd.enable).

- [webdav-server-rs](https://github.com/miquels/webdav-server-rs), Webdav server in rust. Available as [services.webdav-server-rs](#opt-services.webdav-server-rs.enable).

- [wg-netmanager](https://github.com/gin66/wg_netmanager), the Wireguard network manager. Available as [services.wg-netmanager](#opt-services.wg-netmanager.enable).

- [Zammad](https://zammad.org/), a web-based, open source user support/ticketing solution. Available as [services.zammad](#opt-services.zammad.enable).

<!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->

## 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.ghc.withPackages` as well as `haskellPackages.ghcWithPackages` etc.
  now needs be overridden directly, as opposed to overriding the result of
  calling it. Additionally, the `withLLVM` parameter has been renamed to
  `useLLVM`. So instead of `(ghc.withPackages (p: [])).override { withLLVM = true; }`,
  one needs to use `(ghc.withPackages.override { useLLVM = true; }) (p: [])`.

- The update of the haskell package set brings with it a new version of the `xmonad`
  module, which will break your configuration if you use `launch` as entrypoint. The
  example code the corresponding nixos module was adjusted, you may want to have a look at it.

- The `home-assistant` module now requires users that don't want their
  configuration to be managed declaratively to set
  `services.home-assistant.config = null;`. This is required
  due to the way default settings are handled with the new settings style.

  Additionally the default list of `extraComponents` now includes the minimal