diff --git a/doc/release-notes/rl-2511.section.md b/doc/release-notes/rl-2511.section.md
index baa6daea1584..fb4d34dd8ce6 100644
--- a/doc/release-notes/rl-2511.section.md
+++ b/doc/release-notes/rl-2511.section.md
@@ -324,6 +324,13 @@ and [release notes for v18](https://goteleport.com/docs/changelog/#1800-070325).
 
 <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
 
+- `buildEnv` now takes fixed-point arguments (`finalAttrs: { }`).
+  The custom overrider `<env-pkg>.override` is deprecated but kept in this release. It will be removed in future releases after tree-wide transition.
+  The argument `paths` is passed as `passthru.paths` to avoid bringing in unexpected context.
+
+- `buildEnv` now takes `derivationArgs` for additional arguments to pass to `stdenv.mkDerivation`.
+  A compatibility layer is added for directly-specified arguments `nativeBuildInputs` and `buildInputs`.
+
 - Added `rewriteURL` attribute to the nixpkgs `config`, to allow for rewriting the URLs downloaded by `fetchurl`.
 
 - Added `hashedMirrors` attribute to the nixpkgs `config`, to allow for customization of the hashed mirrors used by `fetchurl`.