Upgrade priority: **Medium** (timely update recommended) - due to change(s): Make signature batching use specialized methods (paritytech/substrate#6616).

Specs of the runtime can be found here: [https://github.com/paritytech/polkadot/releases/tag/v0.8.15](https://github.com/paritytech/polkadot/releases/tag/v0.8.15)

- There is a proposal to upgrade something called "signature batching" in Polkassembly.
- It is recommended to update this in a timely manner.
- The upgrade is considered medium priority.
- The changes will make signature batching use specialized methods.
- You can find more information about the upgrade in the provided link.

#48 SetCode, Kusama runtime 2015