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12th chunk of `nixos/doc/manual/release-notes/rl-2405.section.md`
e73cf345177f0221a5d39f49cb9db3e6c3133cce0ab660dd0000000100000fd7
  to v3.6 if `stateVersion` is earlier than 24.05. Refer to upstream's breaking
  changes [for
  v3.7.0](https://github.com/netbox-community/netbox/releases/tag/v3.7.0) and
  upgrade NetBox by changing `services.netbox.package`. Database migrations
  will be run automatically.

- `network-interfaces.target` system target was removed as it has been deprecated for a long time. Use `network.target` instead.

- `networking.iproute2.enable` now does not set `environment.etc."iproute2/rt_tables".text`.

  Setting `environment.etc."iproute2/{CONFIG_FILE_NAME}".text` will override the whole configuration file instead of appending it to the upstream configuration file.

  `CONFIG_FILE_NAME` includes `bpf_pinning`, `ematch_map`, `group`, `nl_protos`, `rt_dsfield`, `rt_protos`, `rt_realms`, `rt_scopes`, and `rt_tables`.

- `nextcloud26` has been removed since it's not maintained anymore by upstream. The latest available version of Nextcloud is now v29 (available as `pkgs.nextcloud29`). The installation logic is as follows:
  - If [`services.nextcloud.package`](#opt-services.nextcloud.package) is specified explicitly, this package will be installed (**recommended**).
  - If [`system.stateVersion`](#opt-system.stateVersion) is >=24.05, `pkgs.nextcloud29` will be installed by default.
  - If [`system.stateVersion`](#opt-system.stateVersion) is >=23.11, `pkgs.nextcloud27` will be installed by default.
  - Please note that an upgrade from v27 (or older) to v29 directly is not possible. Please upgrade to `nextcloud28` (or earlier) first. Nextcloud prohibits skipping major versions while upgrading. You can upgrade by declaring [`services.nextcloud.package = pkgs.nextcloud28;`](options.html#opt-services.nextcloud.package).
  - Known warnings after the upgrade are documented in [](#module-services-nextcloud-known-warnings) from now on.
  - The "Photos" app only displays Media from inside the `Photos` directory. This can be changed manually in the "Photos" tab below "Photos settings".

- `nitter` requires a `guest_accounts.jsonl` to be provided as a path or loaded into the default location at `/var/lib/nitter/guest_accounts.jsonl`. See [Guest Account Branch Deployment](https://github.com/zedeus/nitter/wiki/Guest-Account-Branch-Deployment) for details.

- `nixVersions.unstable` was removed. Instead the following attributes are provided:
  - `nixVersions.git` which tracks the latest Nix master and is roughly updated once a week. This is intended to enable people to easily test unreleased changes of Nix to catch regressions earlier.
  - `nixVersions.latest` which points to the latest Nix version packaged in nixpkgs.

- `nomad` has been updated - note that HashiCorp recommends updating one minor version at a time. Please check [their upgrade guide](https://developer.hashicorp.com/nomad/docs/upgrade) for information on safely updating clusters and potential breaking changes.

  - `nomad` is now Nomad 1.7.x.

  - `nomad_1_4` has been removed, as it is now unsupported upstream.

- `nvtop` family of packages was reorganized into a nested attrset. `nvtop` has been renamed to `nvtopPackages.full`, and all `nvtop-{amd,nvidia,intel,msm}` packages are renamed to `nvtopPackages.{amd,nvidia,intel,msm}`.

- `openssh`, `openssh_hpn` and `openssh_gssapi` are now compiled without support for the DSA signature algorithm as it is being deprecated upstream. Users still relying on DSA keys should consider upgrading
  to another signature algorithm. However, for the time being it is possible to restore DSA key support using `override` to set `dsaKeysSupport = true`.

- `optparse-bash` is now dropped due to upstream inactivity. Alternatives available in Nixpkgs include [`argc`](https://github.com/sigoden/argc), [`argbash`](https://github.com/matejak/argbash), [`bashly`](https://github.com/DannyBen/bashly) and [`gum`](https://github.com/charmbracelet/gum), to name a few.

- `paperless`' `services.paperless.extraConfig` setting has been removed and converted to the free-form type and option named `services.paperless.settings`.
Title: Package Updates, Removals, and Configuration Changes (N-P)
Summary
This section covers updates and breaking changes for packages from N to P. `netbox` updates to v3.7, requiring package upgrade and automatic database migrations. `network-interfaces.target` is removed, use `network.target`. `networking.iproute2.enable` now overrides config files. `nextcloud26` is removed (EOL); `pkgs.nextcloud29` is latest, but direct upgrade from v27/older to v29 isn't supported, requiring v28 as an intermediate step. `nitter` requires `guest_accounts.jsonl`. `nixVersions.unstable` is replaced by `nixVersions.git` (master) and `nixVersions.latest` (stable). `nomad` updates to v1.7.x (`nomad_1_4` removed), with gradual upgrades recommended. `nvtop` packages are reorganized. `openssh` disables DSA support by default (re-enablable). `optparse-bash` is dropped, with alternatives provided. `paperless`'s `extraConfig` is replaced by `settings`.