v8.5.0

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

• Cosmos SDK has been bumped to v0.50.9 .

• ics23 has been bumped to v0.11.0 .

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 .