This is a runtime release that enable ACA as collateral(won't allowed to mint aUSD, just for ACA staking), support LP token as collateral. And add two new calls used to adjust position.
Release Note: https://github.com/AcalaNetwork/Acala/releases/tag/2.3.4
https://acala.subscan.io/referenda/5
https://acala.subsquare.io/democracy/referendum/5