Important Changes
- New host functions: paritytech/substrate#9391
THIS REQUIRES PARACHAINS TO UPGRADE THEIR COLLATORS BEFORE THE RUNTIME UPGRADE HITS THE RELAY CHAIN - Fix in sync code (especially required for the relay chain): paritytech/substrate#9692
- Fix storage proof decoding when using child tries: paritytech/substrate#9715
- XCM V1 and other XCM related fixes