This is a full release for Acala & Karura that upgrades Substrate/Cumulus/Polkadot to v1.0.0. This also includes liquid crowdloan redeem pallet and ACA staking pallet.
Release Note: https://github.com/AcalaNetwork/Acala/releases/tag/2.20.0
https://acala.subscan.io/referenda/76
https://acala.subsquare.io/democracy/referendum/76