update changelog

Author: JonnyOThan

changelog.md

@@ -2,11 +2,17 @@
 
 ## Unreleased
 
+### New Dependencies
+
+- Now requires Harmony
+
+### Changes
+
 - Improved scene switch performance (thanks @Phantomical )
+- Improved in-flight performance (thanks @Phantomical )
 - Fixed NRE spam when audio sources are destroyed in certain ways
 - Fixed NRE spam when a RSE_RCS module was added to a part that doesn't have RCS
 
-
 ## [0.9.11] - 03-25-24
 
 - Fixed missing reentry and wind sounds