Summary

This is a runtime release for Acala and Karura that enables Stable Asset pallet for Acala runtime, and some code cleanup for the Stablecoin protocol.

Release Note: https://github.com/AcalaNetwork/Acala/releases/tag/2.6.1

Referendum

• https://karura.subscan.io/referenda/49
• https://karura.subsquare.io/democracy/referendum/49