diff --git a/website/src/docs/changelog.md b/website/src/docs/changelog.md
index 570e8dff..feef31cd 100644
--- a/website/src/docs/changelog.md
+++ b/website/src/docs/changelog.md
@@ -8,6 +8,13 @@ editLink: false
 
 ::: v-pre
 
+## Unreleased
+
+- Added `enum.ref` support in `requires`: enum constraints can now reference
+  variables or template pipelines (e.g., `ref: .ALLOWED_ENVS`) instead of
+  duplicating static lists. Combined with `sh:` variables, this enables fully
+  dynamic enum validation (#2678 by @vmaerten).
+
 ## v3.49.1 - 2026-03-08
 
 * Reverted #2632 for now, which caused some regressions. That change will be