v3.0.1

UPDATES

• 27th October 2022: This release is NOT recommended since it uses a version of the Cosmos SDK impacted by the dragonberry security advisory . Please use version >= 3.3.1 .

• 20th September 2022: It is NOT recommended to use the ICS27 host submodule of this release, since it contains a security vulnerability. Please use version >= 3.3.0 .

This release bumps the Cosmos SDK to v0.45.4 (for more information, see Cosmos SDK v0.45.4 Release Notes ), and introduces several improvements and bug fixes. We present here a summary of the most relevant changes, but please see the v3.0.1 changelog for the full set of changes included in this release.

core/04-channel

• A channel closed event is now emitted when a timeout occurs for an ordered channel.

apps/transfer

• The `DenomTrace` gRPC method and CLI query can now take as argument either a trace hash or a full IBC denom prefixed with `ibc/`.

• The sender address is now added in the event emitted in the `OnRecvPacket` and `OnAcknowledgementPacket` callbacks.

Special thanks to our external contributors on this release: @catShaark @fedekunze

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 v0.45.4 and ibc-go v3.0.1, 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 .