4.2.0

4.2.0

This release:

• introduces DAO-level registries to constrain upgrades to pre-approved implementation contracts
• introduces the concept of trusted fillers to support async swaps via CowSwap
• introduces a global lock on protocol interactions
• introduces an optional toxic issuance feature, charging more for issuance when collateral is under peg
• expands collateral decimal support from 18 to 21
• makes RToken mandate mutable
• bumps solidity version to 0.8.28

Upgrade Steps

Upgrade occurs via spell:

• https://etherscan.io/address/0xbff761d367291281f3c4db4bda2c591d6dde3601
• https://basescan.org/address/0xB57DB893c95e50f67A62B8dcE411D8e06FF224E1