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11th chunk of `nixos/doc/manual/release-notes/rl-2305.section.md`
f1ee58cf7054432ff7a50cb18e7dfa039d017f661407ade80000000100001029
- The latest available version of Nextcloud is v26 (available as `pkgs.nextcloud26`) which uses PHP 8.2 as interpreter by default. The installation logic is as follows:
  - If `system.stateVersion` is >=23.05, `pkgs.nextcloud26` will be installed by default.
  - If `system.stateVersion` is >=22.11, `pkgs.nextcloud25` will be installed by default.
  - Please note that an upgrade from v24 (or older) to v26 directly is not possible. Please upgrade to `nextcloud25` (or earlier) first. Nextcloud prohibits skipping major versions while upgrading. You can upgrade by declaring [`services.nextcloud.package = pkgs.nextcloud25;`](options.html#opt-services.nextcloud.package).
  - It's recommended to use the latest version available (i.e. v26) and to specify that using `services.nextcloud.package`.

- .NET 5.0 and .NET 3.1 were removed due to being end-of-life, use a newer, supported .NET version. Visit the  [Support Policy](https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core) for more information.

- The iputils package, which is installed by default, no longer provides the
  `ninfod`, `rarpd` and `rdisc` tools. See [upstream's release notes](https://github.com/iputils/iputils/releases/tag/20221126) for more details and available replacements.

- The ppp plugin `rp-pppoe.so` has been renamed to `pppoe.so` in ppp 2.4.9. Starting from ppp 2.5.0, there is no longer an alias for backwards compatibility. Configurations that use this plugin must be updated accordingly from `plugin rp-pppoe.so` to `plugin pppoe.so`. See [upstream change](https://github.com/ppp-project/ppp/commit/610a7bd76eb1f99f22317541b35001b1e24877ed).

- [services.xserver.videoDrivers](options.html#opt-services.xserver.videoDrivers) now defaults to the `modesetting` driver over device-specific ones. The `radeon`, `amdgpu` and `nouveau` drivers are still available, but effectively unmaintained and not recommended for use. Note that this __does not__ affect your regular graphics drivers; this only concerns the DDX component of the driver, which most people are not relying on.

- [services.xserver.libinput.enable](options.html#opt-services.xserver.libinput.enable) is now set by default, enabling the more actively maintained and consistently behaved input device driver.

- To enable the HTTP3 (QUIC) protocol for a nginx virtual host, set the `quic` attribute on it to true, e.g. `services.nginx.virtualHosts.<name>.quic = true;`.

- In `services.fail2ban`, `bantime-increment.<name>` options now default to `null` (except `bantime-increment.enable`) and are used to set the corresponding option in `jail.local` only if not `null`. Also, enforce that `bantime-increment.formula` and `bantime-increment.multipliers` are not both specified.

- The default `asterisk` package was changed to v20 from v19. Asterisk versions 16 and 19 have been dropped due to being EOL. You may need to update /var/lib/asterisk to match the template files in `${asterisk-20}/var/lib/asterisk`.

- conntrack helper autodetection has been removed from kernels 6.0 and up upstream, and an assertion was added to ensure things don't silently stop working. Migrate your configuration to assign helpers explicitly or use an older LTS kernel branch as a temporary workaround.

- The `services.pipewire.config` options have been removed, as they have basically never worked correctly. All behavior defined by the default configuration can be overridden with drop-in files as necessary - see [below](#sec-release-23.05-migration-pipewire) for details.

- The catch-all `hardware.video.hidpi.enable` option was removed. Users on high density displays may want to:

  - Set `services.xserver.upscaleDefaultCursor` to upscale the default X11 cursor for higher resolutions
  - Adjust settings under `fonts.fontconfig` according to preference
  - Adjust `console.font` according to preference, though the kernel will generally choose a reasonably sized font

- `services.pipewire.media-session` and the `pipewire-media-session` package have been removed, as they are no longer supported upstream. Users are encouraged to use `services.pipewire.wireplumber` instead.
Title: NixOS 23.05 Release: Backward Incompatibilities (Continued)
Summary
This section details further backward incompatibilities in NixOS 23.05. It covers Nextcloud version upgrades, removal of .NET 5.0 and 3.1, changes to the iputils package, ppp plugin renaming, default video drivers, libinput enabling, HTTP3 protocol for nginx, fail2ban options, Asterisk version update, conntrack helper autodetection removal, pipewire config removal, hidpi enable option removal, pipewire-media-session removal.