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-rw-r--r--nixos/doc/manual/release-notes/rl-2405.section.md4
1 files changed, 4 insertions, 0 deletions
diff --git a/nixos/doc/manual/release-notes/rl-2405.section.md b/nixos/doc/manual/release-notes/rl-2405.section.md
index f8289da2c977..c18f3af9219f 100644
--- a/nixos/doc/manual/release-notes/rl-2405.section.md
+++ b/nixos/doc/manual/release-notes/rl-2405.section.md
@@ -53,6 +53,10 @@ Use `services.pipewire.extraConfig` or `services.pipewire.configPackages` for Pi
 - `system.etc.overlay.enable` option was added. If enabled, `/etc` is
   mounted via an overlayfs instead of being created by a custom perl script.
 
+- For each supporting version of the Linux kernel firmware blobs and kernel modules
+  are compressed with zstd. For firmware blobs this means an increase of 4.4% in size, however
+  a significantly higher decompression speed.
+
 - NixOS AMIs are now uploaded regularly to a new AWS Account.
   Instructions on how to use them can be found on <https://nixos.github.io/amis>.
   We are working on integration the data into the NixOS homepage.