pre.222

What's Changed

• RCleanup -> Cleanup by @aerialist7 in #569
• Use ComponentClass instead of RClass by @aerialist7 in #570
• RState -> State by @aerialist7 in #571
• Use valid component type by @aerialist7 in #572
• Deprecate RClass by @aerialist7 in #573

Full Changelog: pre.221...pre.222