# Summary

This is a runtime release for Acala and Karura that fixes transaction fee handling with vested ACA/KAR token, improve aUSD debt payback logic and enable EVM+ for Acala runtime.

Release Note: https://github.com/AcalaNetwork/Acala/releases/tag/2.6.3

# Referendum

* https://acala.subscan.io/referenda/12
* https://acala.subsquare.io/democracy/referendum/12

This proposal seeks reimbursement from the Polkadot treasury to cover Subscan's operation and maintenance costs from July to December 2022. Subscan plays a vital role as a block explorer and analytics tool for the Polkadot network. The reimbursement will cover expenses including server infrastructure, security measures, and personnel costs. Server infrastructure costs are estimated to support the network's smooth operation. Security measures ensure user data safety, while personnel costs reflect the dedicated team needed to maintain Subscan's functionality. This support ensures Subscan's continuous operation and contributes to the growth and development of the Polkadot network.

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- Acala and Karura have released an update that fixes some issues with transaction fees and improves how debt is paid back.
- The update also enables EVM+ for Acala.
- You can find more details about the release in the provided link.
- There is also a referendum happening related to this update.
- You can find more information about the referendum in the provided links.

#12 Runtime Upgrade - Enable EVM+ for Acala and other improvements

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