This document describes breaking changes between Metrix releases for both RPC APIs and for blockchain consensus.
- 4.0.7.0 - Upgrade to protocol verion to 70018, soft fork when MIP1 active will disconnect node versions prior to this.
- 4.0.8.2 - Upgrade to protocol verion to 70021.
- 4.0.9.0 - Upgrade to protocol verion to 70022, hard fork at block 685000 to ignore bad governor address that cant be unenrolled.