# Summary
This is a full release for Acala & Karura that upgrades Substrate/Polkadot/Cumulus version to v0.9.31 and implemented sanity checks for some parameter updates.

Release Note: https://github.com/AcalaNetwork/Acala/releases/tag/2.11.0
# Referendum
https://acala.subscan.io/referenda/52
https://acala.subsquare.io/democracy/referendum/52

- Acala and Karura have released an upgrade for their technology.
- The upgrade includes updates to Substrate, Polkadot, and Cumulus.
- Sanity checks have been implemented for some parameter updates.
- You can find more information about the release in the provided link.
- There is also a referendum related to this upgrade that you can learn about in the provided links.

#52 Runtime Upgrade - Upgrade Substrate/Polkadot/Cumulus version v0.9.31

No Active Proposals