This is a full release for Acala & Karura that upgrades Substrate/Polkadot/Cumulus version to v0.9.33 and fix an issue about XCM transfer ERC20.
Release Note: https://github.com/AcalaNetwork/Acala/releases/tag/2.12.0
https://acala.subscan.io/referenda/57
https://acala.subsquare.io/democracy/referendum/57