# 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

This is a retroactive funding to Polkadot Blockchain Academy (PBA) for its third wave, held at UC Berkeley in partnership with the Berkeley RDI center from July 10th to August 10th, 2023. The program educated 75 students, including 55 in the developer track and 20 in the founders track pilot.

- Acala & Karura have released an upgrade for Substrate/Polkadot/Cumulus version.
- The upgrade includes sanity checks for some parameter updates.
- You can find more details about the release in the provided link.
- There is also a referendum related to this upgrade.
- You can find more information about the referendum in the provided links.

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

No Active Proposals