Release Notes

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Features

• #8573 Support custom address codecs in transfer, PFM, and rate limiting.
• #8285 Packet forward middleware.
• #8545 Support sending multiple payloads in the same packet for atomic payload execution.
• #8473 Support sending v2 packets on v1 channel identifiers using aliasing.

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Improvements

• #8734 Add extra validation for ProtoJSON unmarshalling in ICS-27 ICA.
• #8774 Add length validation to MsgCreateClient and CounterpartyMerklePrefix.

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Dependencies

• #8451 Bump go to 1.24
• (light-clients/08-wasm)#8500 Bump github.com/prysmaticlabs/prysm/v5 to github.com/OffchainLabs/prysm/v6@v6.0.4

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API Breaking

• #8820 Bump ibc-go to v11 and use sdk.ValidateAuthority in msg_server handlers.
• (apps) #8476 Remove ParamSubspace from all Keeper constructors
• (light-clients/08-wasm) #8511 Remove deprecated Checksums type
• (core/02-client) #8516 Remove deprecated SubmitMisbehaviour message handler

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Testing API

• #8366 - Replaced the deprecated codec.ProtoMarshaler interface with proto.Message.