SubSquare has released an upgrade for Substrate/Cumulus/Polkadot version. This upgrade requires all clients to upgrade their SDK to the latest version that supports metadata v14 and XCM version v2. The metadata version has been increased from v13 to v14.
The technical details of this upgrade can be found on the release page and the runtime Wasm can be accessed through the provided link.
To participate in the democracy process, you can read more about it on the provided link. You can also join the Community Discord #karura-governance to stay up to date.
Related links include the referendum page and the SubSquare page for Karura.
For more information, visit the provided links.