If Floodgate is installed, skins will by default not be managed for non-modded players unless -DGeyserSkinManager.ForceShowSkins=true is added to your Java startup flags.
Probably some minor performance improvements and cleanups
Supports the clientside BedrockSkinUtility mod (https://github.com/Camotoy/BedrockSkinUtility). Using the mod allows clients to see skins of Bedrock players, as long as this plugin is also installed.