chore(docs): update changelog.

Author: spencer-tb

docs/CHANGELOG.md

@@ -18,6 +18,8 @@ Test fixtures for use by clients are available for each release on the [Github r
 
 ### 📋 Misc
 
+- 🐞 Fix `--fork/from/until` for transition forks when using `fill` [#1311](https://github.com/ethereum/execution-spec-tests/pull/1311).
+
 ### 🧪 Test Cases
 
 ## [v4.1.0](https://github.com/ethereum/execution-spec-tests/releases/tag/v4.1.0) - 2025-03-11