Changelog

[Unreleased]

State Machine Breaking

(modules/core/02-client) #8405 Refactor IBC client update governance proposals to use a substitute client to update a frozen or expired client.
(modules/core/02-client) #8673 IBC upgrade logic moved to 02-client and an IBC UpgradeProposal is added.

Improvements

(modules/core/04-channel) #7949 Standardized channel Acknowledgement moved to its own file. Codec registration redundancy removed.

IBC in the Cosmos SDK Repository

The IBC module was originally released in v0.40.0 of the SDK. Please see the Release Notes.

The IBC module is also contained in the releases for v0.41.x and v0.42.x. Please see the Release Notes for v0.41.x and v0.42.x.