1# Release 25.11 ("Xantusia", 2025.11/??) {#sec-release-25.11}
2
3## Highlights {#sec-release-25.11-highlights}
4
5<!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
6
7- `nixos-rebuild-ng`, a full rewrite of `nixos-rebuild` in Python, is enabled by default from this release. You can disable it by setting [](#opt-system.rebuild.enableNg) to `false` in your configuration if you need, but please report any issues. It is expected that the next major version of NixOS (26.05) will remove the {option}`system.rebuild.enableNg` option.
8
9- `rEFInd`, a graphical boot manager for UEFI systems, can now be used through [](#opt-boot.loader.refind.enable).
10
11- Secure boot support can now be enabled for the Limine bootloader through {option}`boot.loader.limine.secureBoot.enable`. Bootloader install script signs the bootloader, then kernels are hashed during system rebuild and written to a config. This allows Limine to boot only the kernels installed through NixOS system.
12
13- The default PostgreSQL version for new NixOS installations (i.e. with `system.stateVersion >= 25.11`) is v17.
14
15- Added `nixos-init`, a Rust-based bashless initialization system for systemd initrd. This allows to build NixOS systems without any interpreter. Enable via `system.nixos-init.enable = true;`.
16
17- The NetworkManager module does not ship with a default set of VPN plugins anymore. All required VPN plugins must now be explicitly configured in [`networking.networkmanager.plugins`](#opt-networking.networkmanager.plugins).
18
19- The Qt 5-based versions of KDE Gear, Plasma, Maui and Deepin have been removed. Users are advised to migrate to Plasma 6 and Gear 25.08, available under `kdePackages`.
20
21- Syncthing has been updated to version 2.0.0.
22
23- COSMIC DE has been updated to the beta version, bringing it closer to its first stable release. This includes updates to its core components, applications, and overall stability.
24
25## New Modules {#sec-release-25.11-new-modules}
26
27<!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
28
29- [byedpi](https://github.com/hufrea/byedpi), a DPI bypass service. Available as [services.byedpi](#opt-services.byedpi.enable).
30
31- [Overseerr](https://overseerr.dev), a request management and media discovery tool for the Plex ecosystem. Available as [services.overseerr](#opt-services.overseerr.enable).
32
33- [gtklock](https://github.com/jovanlanik/gtklock), a GTK-based lockscreen for Wayland. Available as [programs.gtklock](#opt-programs.gtklock.enable).
34- [Chrysalis](https://github.com/keyboardio/Chrysalis), a graphical configurator for Kaleidoscope-powered keyboards. Available as [programs.chrysalis](#opt-programs.chrysalis.enable).
35
36- [Pi-hole](https://pi-hole.net/), a DNS sinkhole for advertisements based on Dnsmasq. Available as [services.pihole-ftl](#opt-services.pihole-ftl.enable), and [services.pihole-web](#opt-services.pihole-web.enable) for the web GUI and API.
37
38- [Fediwall](https://fediwall.social), a web application for live displaying toots from mastodon, inspired by mastowall. Available as [services.fediwall](#opt-services.fediwall.enable).
39
40- [umami](https://github.com/umami-software/umami), a simple, fast, privacy-focused alternative to Google Analytics. Available with [services.umami](#opt-services.umami.enable).
41
42- [FileBrowser](https://filebrowser.org/), a web application for managing and sharing files. Available as [services.filebrowser](#opt-services.filebrowser.enable).
43
44- Options under [networking.getaddrinfo](#opt-networking.getaddrinfo.enable) are now allowed to declaratively configure address selection and sorting behavior of `getaddrinfo` in dual-stack networks.
45
46- [Homebridge](https://github.com/homebridge/homebridge), a lightweight Node.js server you can run on your home network that emulates the iOS HomeKit API. Available as [services.homebridge](#opt-services.homebridge.enable).
47
48- [LACT](https://github.com/ilya-zlobintsev/LACT), a GPU monitoring and configuration tool, can now be enabled through [services.lact.enable](#opt-services.lact.enable).
49 Note that for LACT to work properly on AMD GPU systems, you need to enable [hardware.amdgpu.overdrive.enable](#opt-hardware.amdgpu.overdrive.enable).
50
51- Auto-scrub support for Bcachefs filesystems can now be enabled through [services.bcachefs.autoScrub.enable](#opt-services.bcachefs.autoScrub.enable) to periodically check for data corruption. If there's a correct copy available, it will automatically repair corrupted blocks.
52
53- [LibreTranslate](https://libretranslate.com), a free and open source machine translation API. Available as [services.libretranslate](#opt-services.libretranslate.enable).
54
55- [Linyaps](https://linyaps.org.cn/), a cross-distribution package manager with sandboxed apps and shared runtime. Available as [services.linyaps](#opt-services.linyaps.enable).
56
57- [tlsrpt-reporter](https://github.com/sys4/tlsrpt-reporter), an application suite to generate and deliver TLSRPT reports. Available as [services.tlsrpt](#opt-services.tlsrpt.enable).
58
59- [Chhoto URL](https://github.com/SinTan1729/chhoto-url), a simple, blazingly fast, selfhosted URL shortener with no unnecessary features, written in Rust. Available as [services.chhoto-url](#opt-services.chhoto-url.enable).
60
61- [go-httpbin](https://github.com/mccutchen/go-httpbin), a reasonably complete and well-tested golang port of httpbin, with zero dependencies outside the go stdlib. Available as [services.go-httpbin](#opt-services.go-httpbin.enable).
62
63- [llama-swap](https://github.com/mostlygeek/llama-swap), a light weight transparent proxy server that provides automatic model swapping to llama.cpp's server (or any server with an OpenAI compatible endpoint). Available as [](#opt-services.llama-swap.enable).
64
65- [tuwunel](https://matrix-construct.github.io/tuwunel/), a federated chat server implementing the Matrix protocol, forked from Conduwuit. Available as [services.matrix-tuwunel](#opt-services.matrix-tuwunel.enable).
66
67- [Broadcast Box](https://github.com/Glimesh/broadcast-box), a WebRTC broadcast server. Available as [services.broadcast-box](options.html#opt-services.broadcast-box.enable).
68
69- [boot.kernel.sysfs](options.html#opt-boot.kernel.sysfs) allows setting of sysfs attributes.
70
71- Docker now defaults to 28.x, because version 27.x stopped receiving security updates and bug fixes after [May 2, 2025](https://github.com/moby/moby/pull/49910).
72
73- [Corteza](https://cortezaproject.org/), a low-code platform. Available as [services.corteza](#opt-services.corteza.enable).
74
75- [TuneD](https://tuned-project.org/), a system tuning service for Linux. Available as [services.tuned](#opt-services.tuned.enable).
76
77- [yubikey-manager](https://github.com/Yubico/yubikey-manager), a tool for configuring YubiKey devices. Available as [programs.yubikey-manager](#opt-programs.yubikey-manager.enable).
78
79- [Draupnir](https://github.com/the-draupnir-project/draupnir), a Matrix moderation bot. Available as [services.draupnir](#opt-services.draupnir.enable).
80
81- [Pangolin](https://github.com/fosrl/pangolin), a tunneled reverse proxy server with access control. Available as [services.pangolin](#opt-services.pangolin.enable).
82
83- [postfix-tlspol](https://github.com/Zuplu/postfix-tlspol), MTA-STS and DANE resolver and TLS policy server for Postfix. Available as [services.postfix-tlspol](#opt-services.postfix-tlspol.enable).
84
85- [crowdsec](https://www.crowdsec.net/), a free, open-source and collaborative IPS. Available as [services.crowdsec](#opt-services.crowdsec.enable).
86
87- [Newt](https://github.com/fosrl/newt), a fully user space WireGuard tunnel client and TCP/UDP proxy, designed to securely expose private resources controlled by Pangolin. Available as [services.newt](options.html#opt-services.newt.enable).
88
89- [IfState](https://ifstate.net), manage host interface settings in a declarative manner. Available as [networking.ifstate](options.html#opt-networking.ifstate.enable) and [boot.initrd.network.ifstate](options.html#opt-boot.initrd.network.ifstate.enable).
90
91- [qBittorrent](https://www.qbittorrent.org/), is a bittorrent client programmed in C++ / Qt that uses libtorrent by Arvid Norberg. Available as [services.qbittorrent](#opt-services.qbittorrent.enable).
92
93- [Speedify](https://speedify.com/), a proprietary VPN which allows combining multiple internet connections (Wi-Fi, 4G, 5G, Ethernet, Starlink, Satellite, and more) to improve the stability, speed, and security of online experiences. Available as [services.speedify](#opt-services.speedify.enable).
94
95- [Szurubooru](https://github.com/rr-/szurubooru), an image board engine inspired by services such as Danbooru, dedicated for small and medium communities. Available as [services.szurubooru](#opt-services.szurubooru.enable).
96
97- The [Neat IP Address Planner](https://spritelink.github.io/NIPAP/) (NIPAP) can now be enabled through [services.nipap.enable](#opt-services.nipap.enable).
98
99- [tpm2-totp](https://github.com/tpm2-software/tpm2-totp) can now be used to show a TOTP during boot using Plymouth. Available as [boot.plymouth.tpm2-totp](#opt-boot.plymouth.tpm2-totp.enable).
100
101- [nix-store-veritysetup](https://github.com/nikstur/nix-store-veritysetup-generator), a systemd generator to unlock the Nix Store as a dm-verity protected block device. Available as [boot.initrd.nix-store-veritysetup](options.html#opt-boot.initrd.nix-store-veritysetup.enable).
102
103- [ente](https://github.com/ente-io/ente), a service that provides a fully open source, end-to-end encrypted platform for photos and videos. Available as [services.ente.api](#opt-services.ente.api.enable) and [services.ente.web](#opt-services.ente.web.enable).
104
105- [SuiteNumérique Docs](https://github.com/suitenumerique/docs), a collaborative note taking, wiki and documentation web platform and alternative to Notion or Outline. Available as [services.lasuite-docs](#opt-services.lasuite-docs.enable).
106
107- [dwl](https://codeberg.org/dwl/dwl), a compact, hackable compositor for Wayland based on wlroots. Available as [programs.dwl](#opt-programs.dwl.enable).
108
109- [angrr](https://github.com/linyinfeng/angrr), a service that automatically cleans up old auto GC roots. Available as [services.angrr](#opt-services.angrr.enable).
110
111- [Sharkey](https://joinsharkey.org), a Sharkish microblogging platform. Available as [services.sharkey](#opt-services.sharkey.enable).
112
113- [fw-fanctrl](https://github.com/TamtamHero/fw-fanctrl), a simple systemd service to better control Framework Laptop's fan(s). Available as [hardware.fw-fanctrl](#opt-hardware.fw-fanctrl.enable).
114
115- [SillyTavern](https://sillytavern.app/), LLM Frontend for Power Users. Available as [services.sillytavern](#opt-services.sillytavern.enable).
116
117- [mautrix-discord](https://github.com/mautrix/discord), a Matrix-Discord puppeting/relay bridge. Available as [services.mautrix-discord](#opt-services.mautrix-discord.enable).
118
119- [Timekpr-nExT](https://mjasnik.gitlab.io/timekpr-next/), a time managing application that helps optimizing time spent at computer for your subordinates, children or even for yourself. Available as [](#opt-services.timekpr.enable).
120
121- [SuiteNumérique Meet](https://github.com/suitenumerique/meet) is an open source alternative to Google Meet and Zoom powered by LiveKit: HD video calls, screen sharing, and chat features. Built with Django and React. Available as [services.lasuite-meet](#opt-services.lasuite-meet.enable).
122
123- [Prometheus Storagebox Exporter](https://github.com/fleaz/prometheus-storagebox-exporter), a Prometheus exporter for Hetzner storage boxes.
124
125- [lemurs](https://github.com/coastalwhite/lemurs), a customizable TUI display/login manager. Available at [services.displayManager.lemurs](#opt-services.displayManager.lemurs.enable).
126
127- [paisa](https://github.com/ananthakumaran/paisa), a personal finance tracker and dashboard. Available as [services.paisa](#opt-services.paisa.enable).
128
129- [conman](https://github.com/dun/conman), a serial console management program. Available as [services.conman](#opt-services.conman.enable).
130
131- [KMinion](https://github.com/redpanda-data/kminion), feature-rich Prometheus exporter for Apache Kafka. Available as [services.prometheus.exporters.kafka](options.html#opt-services.prometheus.exporters.kafka).
132
133- [Spoolman](https://github.com/Donkie/Spoolman), a inventory management system for Filament spools. Available as [services.spoolman](#opt-services.spoolman.enable).
134
135- [Temporal](https://temporal.io/), a durable execution platform that enables
136 developers to build scalable applications without sacrificing productivity or
137 reliability. Available as [services.temporal](#opt-services.temporal.enable).
138
139- `services.libvirtd.autoSnapshot`, a backup service for libvirt managed vms.
140
141- [Sshwifty](https://github.com/nirui/sshwifty), a Telnet and SSH client for your browser. Available as [services.sshwifty](#opt-services.sshwifty.enable).
142
143- [nvme-rs](https://github.com/liberodark/nvme-rs), NVMe monitoring [services.nvme-rs](#opt-services.nvme-rs.enable).
144
145- [ringboard](https://github.com/SUPERCILEX/clipboard-history), a fast, efficient, and composable clipboard manager for Linux. Available for x11 as [services.ringboard](#opt-services.ringboard.x11.enable) and for wayland as [services.ringboard](#opt-services.ringboard.wayland.enable).
146
147## Backward Incompatibilities {#sec-release-25.11-incompatibilities}
148
149<!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
150
151- The Perl implementation of the `switch-to-configuration` program is removed. All switchable systems now use the Rust rewrite. Any prior usage of `system.switch.enableNg` must now be removed. If you have any outstanding issues with the new implementation, please open an issue on GitHub.
152
153- The `no-broken-symlink` build hook now also fails builds whose output derivation contains links to $TMPDIR (typically /build, which contains the build directory).
154
155- `hardware.amdgpu.amdvlk` and the `amdvlk` package have been removed, as they have been deprecated by AMD. These have been replaced with the RADV driver from Mesa, which is enabled by default.
156
157- The `services.polipo` module has been removed as `polipo` is unmaintained and archived upstream.
158
159- `virtualisation.lxd` has been removed due to lack of Nixpkgs maintenance. Users can migrate to `virtualisation.incus`, a fork of LXD, as a replacement. See [Incus migration documentation](https://linuxcontainers.org/incus/docs/main/howto/server_migrate_lxd/) for migration information.
160
161- The non-LTS Forgejo package (`forgejo`) has been updated to 12.0.0. This release contains breaking changes, see the [release blog post](https://forgejo.org/2025-07-release-v12-0/)
162 for all the details and how to ensure smooth upgrades.
163
164- `sing-box` has been updated to 1.12.3, which includes a number of breaking changes, old configurations may need updating or they will cause the tool to fail to run.
165 See the [change log](https://sing-box.sagernet.org/changelog/#1123) for details and [migration](https://sing-box.sagernet.org/migration/#1120) for how to update old configurations.
166
167- The Pocket ID module ([`services.pocket-id`][#opt-services.pocket-id.enable]) and package (`pocket-id`) has been updated to 1.0.0. Some environment variables have been changed or removed, see the [migration guide](https://pocket-id.org/docs/setup/migrate-to-v1/).
168
169- `services.seafile` has been removed, as it is unmaintained and outdated.
170 See [the manual](https://manual.seafile.com/13.0/upgrade/upgrade_notes_for_13.0.x/#important-release-changes)
171 for details and next steps.
172
173- The `zigbee2mqtt` package was updated to version 2.x, which contains breaking changes. See the [discussion](https://github.com/Koenkk/zigbee2mqtt/discussions/24198) for further information.
174
175- []{#sec-release-25.11-incompatibilities-sourcehut-removed} The `services.sourcehut` module and corresponding `sourcehut` packages were removed due to being broken and unmaintained.
176- The zookeeper project changed their logging tool to logback, therefore `services.zookeeper.logging` option has been updated to expect a logback compatible string.
177- The `dovecot` systemd service was renamed from `dovecot2` to `dovecot`. The former is now just an alias. Update any overrides on the systemd unit to the new name.
178
179- Configurations with `boot.initrd.systemd.enable && !boot.initrd.enable` will have their `init` script at `$toplevel/init` instead of `$toplevel/prepare-root`. This is because it does not make sense for systemd stage 1 to affect the `init` script when stage 1 is entirely disabled (e.g. containers).
180
181- `programs.goldwarden` has been removed, due to the software not working with newer versions of the Bitwarden and Vaultwarden servers, as well as it being abandoned upstream.
182
183- The `chatgpt-retrieval-plugin` package and `services.chatgpt-retrieval-plugin` module were removed due to the package having been broken since at least November 2024.
184
185- The `cardboard` package and `programs.cardboard` module were removed due to the package having been broken since at least November 2024.
186
187- The default `kops` version is now 1.33.0 and versions 1.30 and older have been dropped. See [Upgrading Kubernetes](https://kops.sigs.k8s.io/tutorial/upgrading-kubernetes/) for instructions on how to update kOps.
188
189- `programs.skim.fuzzyCompletions` has been removed in favor of adding the completions to the package itself.
190
191- `Prosody` has been updated to major release 13 which removed some obsoleted modules and brought a couple of major and breaking changes:
192 - The `http_files` module is now disabled by default because it now requires `http_files_dir` to be configured.
193 - The `vcard_muc` module has been removed and got replaced by the inbuilt `muc_vcard` module.
194 - The `http_upload` module has been removed and you must migrate to the `http_file_share` module to stay XEP-0423 compliant. The `httpFileShare` options got expanded to better facility that.
195 - The `admin_shell` module is now always being loaded to make `prosodyctl` functional.
196 - The `mime_types_file` setting is now set to `"${pkgs.mailcap}/etc/mime.types"` to prevent errors.
197 For a complete list of changes, please see [their announcement](https://blog.prosody.im/prosody-13.0.0-released/).
198
199- The `yeahwm` package and `services.xserver.windowManager.yeahwm` module were removed due to the package being broken and unmaintained upstream.
200
201- The `services.snapserver` module has been migrated to use the settings option and render a configuration file instead of passing every option over the command line.
202
203- The `services.postgresql` module now sets up a systemd unit `postgresql.target`. Depending on `postgresql.target` guarantees that postgres is in read-write mode and initial/ensure scripts were executed. Depending on `postgresql.service` only guarantees a read-only connection.
204
205- The `services.mysql` module now restarts the database `on-abnormal`, which means that it now will be restarted in certain situations, it wasn't before. For example an OOM-kill.
206
207- The `services.siproxd` module has been removed as `siproxd` is unmaintained and broken with libosip 5.x.
208
209- `services.tor.torsocks.enable` no longer defaults to true if Tor and Tor client functionality is enabled.
210
211- `netbox-manage` script created by the `netbox` module no longer uses `sudo -u netbox` internally. It can be run as root and will change it's user to `netbox` using `runuser`
212
213- `services.gateone` has been removed as the package was removed such that it does not work.
214
215- `services.dwm-status.extraConfig` was replaced by [RFC0042](https://github.com/NixOS/rfcs/blob/master/rfcs/0042-config-option.md)-compliant [](#opt-services.dwm-status.settings), which is used to generate the config file. `services.dwm-status.order` is now moved to [](#opt-services.dwm-status.settings.order), as it's a part of the config file.
216
217- `gitversion` was updated to 6.3.0, which includes a number of breaking changes, old configurations may need updating or they will cause the tool to fail to run.
218 See the [6.0.0 release notes for GitVersion](https://github.com/GitTools/GitVersion/releases/tag/6.0.0) for details on the breaking changes, [the documentation on the configuration format](https://gitversion.net/docs/reference/configuration) for the new configuration specification, and [the documentation on version variables](https://gitversion.net/docs/reference/variables) for what is now supported.
219
220- `renovate` was updated to v41. See the upstream release notes for [v40](https://github.com/renovatebot/renovate/releases/tag/40.0.0) and [v41](https://github.com/renovatebot/renovate/releases/tag/41.0.0) for breaking changes.
221
222- The "NIXOS_EXTRA_MODULE_PATH" variable from configuration evaluation has been deprecated.
223 We recommend a workflow where you update the expression files instead, but if you wish to continue
224 to use this variable, you may do so with a module like:
225
226 ```nix
227 {
228 imports = [
229 (builtins.getEnv "NIXOS_EXTRA_MODULE_PATH")
230 ];
231 }
232 ```
233
234 This has the benefit that your configuration hints at the non-standard workflow.
235
236- `i18n.inputMethod.fcitx5.plasma6Support` has been removed because qt6 is the only one used for fcitx5-configtool now.
237
238- The `boot.readOnlyNixStore` has been removed. Control over bind mount options on `/nix/store` is now offered by the `boot.nixStoreMountOpts` option.
239
240- The Postfix module has been updated and likely requires configuration changes:
241 - The `services.postfix.sslCert` and `sslKey` options were removed and you now need to configure
242 - [services.postfix.settings.main.smtpd_tls_chain_files](#opt-services.postfix.settings.main.smtpd_tls_chain_files) for server certificates,
243 - [services.postfix.settings.main.smtp_tls_chain_files](#opt-services.postfix.settings.main) for client certificates.
244
245- `vmalert` now supports multiple instances with the option `services.vmalert.instances."".enable`
246
247- [`services.victorialogs.package`](#opt-services.victorialogs.package) now defaults to `victorialogs`, as `victoriametrics` no longer contains the VictoriaLogs binaries.
248
249- The `services.traccar.settings` attribute has been reworked. Instead of the previous flat attribute set the new implementation uses nested attribute sets. You need to update you configuration manually. For instance, `services.traccar.settings.loggerConsole` becomes `services.traccar.settings.logger.console`.
250
251- The `wstunnel` module was converted to RFC42-style settings, you will need to update your NixOS config if you make use of this module.
252
253- [private-gpt](https://github.com/zylon-ai/private-gpt) service has been removed by lack of maintenance upstream.
254
255- NixOS display manager modules now strictly use tty1, where many of them previously used tty7. Options to configure display managers' VT have been dropped. A configuration with a display manager enabled will not start `getty@tty1.service`, even if the system is forced to boot into `multi-user.target` instead of `graphical.target`.
256
257- `river` 0.3.x has been renamed to `river-classic` upstream, and the package renamed accordingly. `programs.river` has been renamed to `programs.river-classic`.
258
259- `command-not-found` package is now disabled by default; it works only for nix-channels based systems, and requires setup for it to work.
260
261- The systemd target `kbrequest.target` is now unset by default, instead of being forcibly symlinked to `rescue.target`. In case you were relying on this behavior (Alt + ArrowUp on the tty causing the current target to be changed to `rescue.target`), you can restore it by setting `systemd.targets.rescue.aliases = [ "kbrequest.target" ];` in your configuration.
262
263## Other Notable Changes {#sec-release-25.11-notable-changes}
264
265<!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
266
267- `services.clamsmtp` is unmaintained and was removed from Nixpkgs.
268
269- `services.eris-server` was removed from Nixpkgs due to a hostile upstream.
270
271- `prosody` gained a config check option named `services.prosody.checkConfig` which runs `prosodyctl check config` and is turned on by default.
272
273- `services.dependency-track` removed its configuration of the JVM heap size. This lets the JVM choose its maximum heap size automatically, which should work much better in practice for most users. For deployments on systems with little RAM, it may now be necessary to manually configure a maximum heap size using {option}`services.dependency-track.javaArgs`.
274
275- `services.dnscrypt-proxy2` was renamed to `services.dnscrypt-proxy` to match the package name. The systemd service is now also `dnscrypt-proxy`, but the old name is still provided as an alias for backwards compatibility.
276
277- `services.dnscrypt-proxy` gains a `package` option to specify dnscrypt-proxy package to use.
278
279- `services.nextcloud.configureRedis` now defaults to `true` in accordance with upstream recommendations to have caching for file locking. See the [upstream doc](https://docs.nextcloud.com/server/31/admin_manual/configuration_files/files_locking_transactional.html) for further details.
280
281- mate-wayland-session 1.28.4 is now using the default wayfire decorator instead of firedecor, thus `services.xserver.desktopManager.mate.enableWaylandSession` is no longer shipping firedecor. If you are experiencing broken window decorations after upgrade, backup and remove `~/.config/mate/wayfire.ini` and re-login.
282
283- Due to [deprecation of gnome-session X11 support](https://blogs.gnome.org/alatiera/2025/06/08/the-x11-session-removal/), `services.desktopManager.pantheon` now defaults to pantheon-wayland session. The X11 session has been removed, see [this issue](https://github.com/elementary/session-settings/issues/91) for details.
284
285- `bcachefs` file systems will now use the out-of-tree module for supported kernels. The in-tree module is unmaintained and users are strongly recommended to switch to kernels that support the out-of-tree module.
286
287- `services.gitea` supports sending notifications with sendmail again. To do this, activate the parameter `services.gitea.mailerUseSendmail` and configure SMTP server.
288
289- `networking.wireless.networks.<name>` now has an option to specify SSID, hence allowing duplicated SSID setup. The BSSID option is added along side with this.
290
291- Revamp of the ACME certificate acquisication and renewal process to help scale systems with lots (100+) of certificates.
292
293 Units and targets have been reshaped to better support more specific dependency propagation and avoid
294 superfluously triggering unchanged units:
295
296 If a service requires a syntactically valid certificate to start it should now depend on the `acme-{certname}.service` unit.
297
298 We now always generate initial self-signed certificates as this drastically simplifies the dependency structure. As a result, the option `security.acme.preliminarySelfsigned` has been removed.
299
300 Instead of the previous `acme-finished-{certname}.target`s there are now `acme-order-renew-{certname}.service`s that will be activated
301 in a delayed fashion to ensure that bootstrapping with servers like nginx that take part in the acquisition/renewal process works
302 smoothly. Dependencies on `acme-finished` units should move to `acme-order-renew`.
303
304 Note that system activation will complete before all certificates may have been renewed or acquired.
305
306- `libvirt` now supports using `nftables` backend.
307 - The `virtualisation.libvirtd.firewallBackend` option can be used to configure the firewall backend used by libvirtd.
308
309- The third-party `ant-contrib` is no longer included in the `ant` package.
310
311- `systemd.extraConfig` and `boot.initrd.systemd.extraConfig` was converted to RFC42-style `systemd.settings.Manager` and `boot.initrd.systemd.settings.Manager` respectively.
312 - `systemd.watchdog.runtimeTime` was renamed to `systemd.settings.Manager.RuntimeWatchdogSec`
313 - `systemd.watchdog.device` was renamed to `systemd.settings.Manager.WatchdogDevice`
314 - `systemd.watchdog.rebootTime` was renamed to `systemd.settings.Manager.RebootWatchdogSec`
315 - `systemd.watchdog.kexecTime` was renamed to `systemd.settings.Manager.KExecWatchdogSec`
316 - `systemd.enableCgroupAccounting` was removed. Cgroup accounting now needs to be disabled directly using `systemd.settings.Manager.*Accounting`.
317
318- `services.logind.extraConfig` was converted to RFC42-style `services.logind.settings.Login`.
319
320- `services.ntpd-rs` now performs configuration validation.
321
322- Immich now has support for [VectorChord](https://github.com/tensorchord/VectorChord) when using the PostgreSQL configuration provided by `services.immich.database.enable`, which replaces `pgvecto-rs`. VectorChord support can be toggled with the option `services.immich.database.enableVectorChord`. Additionally, `pgvecto-rs` support is now disabled from NixOS 25.11 onwards using the option `services.immich.database.enableVectors`. This option will be removed fully in the future once Immich drops support for `pgvecto-rs` fully. See [Immich migration instructions](#module-services-immich-vectorchord-migration)
323
324- `services.restic.backups` now includes a `command` option for passing a command to the [--stdin-from-command](https://github.com/restic/restic/pull/4410) flag.
325
326- `services.postsrsd` now automatically integrates with the local Postfix instance, when enabled. This behavior can disabled using the [services.postsrsd.configurePostfix](#opt-services.postsrsd.configurePostfix) option.
327
328- `services.pfix-srsd` now automatically integrates with the local Postfix instance, when enabled. This behavior can disabled using the [services.pfix-srsd.configurePostfix](#opt-services.pfix-srsd.configurePostfix) option.
329
330- `services.monero` now includes the `environmentFile` option for adding secrets to the Monero daemon config.
331
332- `services.netbird.server` now uses dedicated packages split out due to relicensing of server components to AGPLv3 with version `0.53.0`,
333
334- `services.pds` has been renamed to `services.bluesky-pds`.
335
336- `services.xserver.desktopManager.deepin` and associated packages have been removed due to being unmaintained. See issue [#422090](https://github.com/NixOS/nixpkgs/issues/422090) for more details.
337
338- The new option [networking.ipips](#opt-networking.ipips) has been added to create IP within IP kind of tunnels (including 4in6, ip6ip6 and ipip).
339 With the existing [networking.sits](#opt-networking.sits) option (6in4), it is now possible to create all combinations of IPv4 and IPv6 encapsulation.
340
341- It is now possible to configure the default source address using the new options [networking.defaultGateway.source](#opt-networking.defaultGateway.source),
342 [networking.defaultGateway6.source](#opt-networking.defaultGateway6.source).
343
344- Potential race conditions in the network setup when using `networking.interfaces` have been fixed by disabling duplicate address detection (DAD)
345 for statically configured IPv6 addresses.
346
347- `strongSwan` has been updated to 6.0. See [strongSwan 6.0.0 release notes](https://github.com/strongswan/strongswan/releases/tag/6.0.0) for a complete list of changes.
348
349- `amdgpu` kernel driver overdrive mode can now be enabled by setting [hardware.amdgpu.overdrive.enable](#opt-hardware.amdgpu.overdrive.enable) and customized through [hardware.amdgpu.overdrive.ppfeaturemask](#opt-hardware.amdgpu.overdrive.ppfeaturemask).
350 This allows for fine-grained control over the GPU's performance and maybe required by overclocking softwares like Corectrl and Lact. These new options replace old options such as {option}`programs.corectrl.gpuOverclock.enable` and {option}`programs.tuxclocker.enableAMD`.
351
352- `services.varnish.http_address` has been superseeded by `services.varnish.listen` which is now
353 structured config for all of varnish's `-a` variations.
354
355- `services.nginx.recommendedProxySettings` now sets `X-Forwarded-Server` to the hostname of nginx instead of the original host.
356
357- [](#opt-services.gnome.gnome-keyring.enable) does not ship with an SSH agent anymore, as this is now handled by the `gcr_4` package instead of `gnome-keyring`. A new module has been added to support this, under [](#opt-services.gnome.gcr-ssh-agent.enable) (its default value has been set to [](#opt-services.gnome.gnome-keyring.enable) to ensure a smooth transition). See the [relevant upstream PR](https://gitlab.gnome.org/GNOME/gcr/-/merge_requests/67) for more details.
358
359- The `nettools` package (ifconfig, arp, mii-tool, netstat, route) is not installed by default anymore. The suite is unmaintained and users should migrate to `iproute2` and `ethtool` instead.
360
361- `sparkleshare` has been removed as it no longer builds and has been abandoned upstream.
362
363- The `open-webui` package's postgres support have been moved to optional dependencies to comply with upstream changes in 0.6.26.