We present here a summary of the most relevant changes, please see the v8.5.0 changelog for more details. Please note that this release, as indicated in our release versioning policy, is state machine breaking and requires a coordinated upgrade.
dependencies
core/03-connection
- We have removed from the connection handshake the verification step that guaranteed that the client state and consensus state stored by the light client on the counterparty is a correct representation of the chain and its consensus state. Please check cosmos/ibc#1121 for more details and rationale.
To learn more about ibc-go versioning, please read our RELEASES.md.
IMPORTANT: Please read the migration guides for any versions of ibc-go that you might be going through when upgrading to this version. For example: if you upgrade from the IBC module contained in the Cosmos SDK 0.42.0 to SDK v0.50.9 and ibc-go v8.5.0, please follow:
- The migration from SDK 0.41.x or 0.42.x to the IBC module in the ibc-go repository based on the SDK v0.44.x.
- The migration from ibc-go v1 to v2.
- The migration from ibc-go v2 to v3.
- The migration from ibc-go v3 to v4.
- The migration from ibc-go v4 to v5.
- The migration from ibc-go v5 to v6.
- The migration from ibc-go v6 to v7.
- The migration from ibc-go v7 to v7.1.
- The migration from ibc-go v7.2 to v7.3.
- The migration from ibc-go v7 to v8.
- The migration from ibc-go v8 to v8.1.