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What is the purpose of the change
Upgrade to IBC v3.4.0, this should require no migration https://github.com/cosmos/ibc-go/releases/tag/v3.4.0
Adds the metadata field, needed to unblock cross-chain swaps with no multihop.
Brief Changelog
Testing and Verifying
Covered by E2E
Documentation and Release Note
Unreleased
section inCHANGELOG.md
? yes