This is a runtime upgrade for Acala & Karura that upgrades Polkadot SDK to 1.6.0 version and upgrades Acala EVM+ to support Shanghai fork.
Release Note: https://github.com/AcalaNetwork/Acala/releases/tag/2.24.0
https://karura.subscan.io/referenda/107
https://karura.subsquare.io/democracy/referendum/107