diff --git a/doc/release-notes/iceoryx2-unreleased.md b/doc/release-notes/iceoryx2-unreleased.md
index 918d3b8c2..8929326bd 100644
--- a/doc/release-notes/iceoryx2-unreleased.md
+++ b/doc/release-notes/iceoryx2-unreleased.md
@@ -23,6 +23,7 @@
 ### New API features
 
  * Add `FixedSizeByteString::from_bytes_truncated` [#56](https://github.com/eclipse-iceoryx/iceoryx2/issues/56)
+ * Add `Deref`, `DerefMut`, `Clone`, `Eq`, `PartialEq` and `extend_from_slice` to (FixedSize)Vec [#58](https://github.com/eclipse-iceoryx/iceoryx2/issues/58)
 
 ### API Breaking Changes