update release notes

FabianHofmann · FabianHofmann · commit ca3d90e83532 · 2025-05-07T22:05:31.000+02:00
diff --git a/doc/release_notes.rst b/doc/release_notes.rst
@@ -4,6 +4,12 @@ Release Notes
 .. Upcoming Version
 .. ----------------
 
+Version 0.5.5
+--------------
+
+* Internally assign new data fields to expressions with a multiindexed-safe routine.
+
+
 Version 0.5.4
 --------------
 
