docs: changelog

CHANGELOG.md

@@ -1,11 +1,19 @@
 # Changelog
 
+## Version 2.20.0
+* Fixed for Valheim 0.218.15, older Valheim versions may not work properly
+* Added HeavyBuild to PieceCategories
+* Fixed internal renaming of the Building piece category
+* Fixed positioning and size of hammer categories
+* Fixed warnings about mock ParticleSystem dictionaries
+* Fixed CreatureManager.OnCreaturesRegistered was not invoked if no custom creatures were added
+
 ## Version 2.19.4
-- Fixed errors when loading prefabs when running with Krumpac's Reforged (thx probablykory)
-- Fixed prebuild publicizer could create ambiguous events
-- Fixed prebuild publicizer to include an assembly hash to detect if it has changed
-- Changed references to be copied to the build output folder when compiling a mod that uses JotunnLib.props
-- Simplified vanilla category count lookup
+* Fixed errors when loading prefabs when running with Krumpac's Reforged (thx probablykory)
+* Fixed prebuild publicizer could create ambiguous events
+* Fixed prebuild publicizer to include an assembly hash to detect if it has changed
+* Changed references to be copied to the build output folder when compiling a mod that uses JotunnLib.props
+* Simplified vanilla category count lookup
 
 ## Version 2.19.3
 * Fixed piece categories to dynamically find the vanilla category count