v5.2.1

This release includes a fix for the huckleberry security advisory . Credits to Felix Wilhelm ( @felixwilhelm ) of Jump Crypto for the discovery and responsible disclosure via our bug bounty program .

Please see the v5.2.1 changelog for the full set of changes included in this release.

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 v0.46.7 and ibc-go v5.2.1, 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 .