Summary

This is a full release that upgrades Substrate / Cumulus / Polkadot version to v0.9.17 which includes some performance improvements.

Release Note: https://github.com/AcalaNetwork/Acala/releases/tag/2.4.0

Referendum

• https://acala.subscan.io/referenda/7
• https://acala.subsquare.io/democracy/referendum/7