Compatibility
SkinRestorer
This one isn't the same duh.
SkinRestorer Compatibility
In the idea, HeadsChat have the compatibility layer to update the components when a player change their skin trough SkinRestorer.
However, you client is caching the texture for ~an hour, so you won't see the change immediately. I don't have any option to invalidate this cache, and I have no way to create a workaround, as the libs I use actually respect the privacy of MineSkin's contributors.