Issues

• transfer: a panic in OnRecvPacket becomes a nil dereference in the deferred receive event (e.g. voucher supply overflow in MintCoins)

  cosmos/ibc-go#9131 · Filter by author zmanian opened on Oct 19, 2026

• transfer: Token.Validate formats sdkmath.Int with %d, so the error text prints a pointer address

  cosmos/ibc-go#9130 · Filter by author zmanian opened on Oct 19, 2026

• Compatibility from_versions annotations select older patches and skip supported newer patches

  cosmos/ibc-go#9118 · Filter by author dunghv107 opened on Oct 9, 2026

• [PFM] packet-forward middleware silently truncates fractional retries instead of rejecting it

  cosmos/ibc-go#9114 · Filter by author fmterrors opened on Oct 6, 2026

• rate-limiting: after a halt the hour epoch catches up one hour per block, resetting quotas in consecutive blocks

  cosmos/ibc-go#9092 · Filter by author 0xShadowX opened on Sep 22, 2026

• core/04-channel/v2: MsgAcknowledgement panics when a successful ack has fewer app acknowledgements than payloads

  cosmos/ibc-go#9090 · Filter by author Bruce039 opened on Sep 22, 2026

• core: IBC v2 packet state and alias/counterparty mappings for aliased v1 channel IDs are not exported in genesis

  cosmos/ibc-go#9076 · Filter by author kriss39 opened on Sep 13, 2026

• callbacks/v2: async WriteAcknowledgement hands the contract a proto-wrapped acknowledgement, unlike OnRecvPacket

  cosmos/ibc-go#9074 · Filter by author kriss39 opened on Sep 13, 2026

• core/04-channel/v2: MsgRecvPacket emits core recv_packet events twice (and as error events on app failure)

  cosmos/ibc-go#9073 · Filter by author kriss39 opened on Sep 13, 2026

• 27-gmp: exported genesis fails validation/import once an ICS27 account has a non-local (EVM / foreign-prefix) sender

  cosmos/ibc-go#9072 · Filter by author kriss39 opened on Sep 13, 2026

• transfer: relative CLI timeouts are nanoseconds but channelv2 SendPacket reads seconds, so v2 transfers always exceed MaxTimeoutDelta

  cosmos/ibc-go#9064 · Filter by author giunatale opened on Aug 28, 2026
  7

• clientv2: genesis validation rejects ClientId == CounterpartyInfo.ClientId, making legitimately exported state unimportable

  cosmos/ibc-go#9063 · Filter by author giunatale opened on Aug 28, 2026
  1

• Genesis validation skips the next-sequence check when the highest identifier sequence is zero

  cosmos/ibc-go#9018 · Filter by author ipezygj opened on Aug 1, 2026

• can submit unlimited ProofSpec in CreateClient 02-client tx

  02-client
  cosmos/ibc-go#8780 · Filter by author technicallyty opened on Feb 10, 2026
  1

  

• RegisterCounterparty persists unbounded Merkle prefix bytes

  cosmos/ibc-go#8776 · Filter by author mmsqe opened on Feb 4, 2026
  1

• dead intra-tx counter and misleading comment in zero-height export

  cosmos/ibc-go#8703 · Filter by author Forostovec opened on Nov 8, 2025
  1

• Rate Limit: Fix the key name

  core
  cosmos/ibc-go#8546 · Filter by author DeshErBojhaa opened on Jun 19, 2025
  1

• Support Aliasing V2 Packets with MsgTransfer

  cosmos/ibc-go#8492 · Filter by author AdityaSripal opened on Jun 6, 2025
  1

  

• PFM migration upgrade e2e test

  e2epacket forward middleware
  Enhancement

  cosmos/ibc-go#8382 · Filter by author DeshErBojhaa opened on May 14, 2025