doc/rl-2505: mention nvidia package change, add warning to Sway (#371728)

nixos/doc/manual/release-notes/rl-2505.section.md

@@ -143,6 +143,8 @@
   +services.asusd.asusdConfig.text = '''file contents'''
   ```
 
+- `linuxPackages.nvidiaPackages.stable` now defaults to the `production` variant instead of `latest`.
+
 - `timescaledb` requires manual upgrade steps.
     After you run ALTER EXTENSION, you must run [this SQL script](https://github.com/timescale/timescaledb-extras/blob/master/utils/2.15.X-fix_hypertable_foreign_keys.sql). For more details, see the following pull requests [#6797](https://github.com/timescale/timescaledb/pull/6797).
     PostgreSQL 13 is no longer supported in TimescaleDB v2.16.

nixos/modules/programs/wayland/sway.nix

@@ -113,6 +113,19 @@ in
         }
       ];
 
+      warnings =
+          lib.mkIf
+            (
+              (lib.elem "nvidia" config.services.xserver.videoDrivers)
+              && !config.hardware.nvidia.open
+              && (lib.versionOlder "551" (
+                lib.versions.major (lib.getVersion config.hardware.nvidia.package)
+              ))
+            )
+            [
+              "Using Sway with Nvidia driver version <= 550 may result in a broken system. Configure hardware.nvidia.package to use a newer version."
+            ];
+
       environment = {
         systemPackages = lib.optional (cfg.package != null) cfg.package ++ cfg.extraPackages;