> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cosmos.network/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Release history and changelog for Cosmos IBC

<Info>
  This page tracks all releases and changes from the [cosmos/ibc-go](https://github.com/cosmos/ibc-go) repository.
  For the latest development updates, see the [UNRELEASED](https://github.com/cosmos/ibc-go/blob/main/CHANGELOG.md#unreleased) section.
</Info>

<Update label="2024-08-30" description="v7.8.0" tags={["IBC", "Release"]}>
  ## State Machine Breaking

  * (core/03-connection) [#7128](https://github.com/cosmos/ibc-go/pull/7128) Remove verification of self client and consensus state from connection handshake.
</Update>

<Update label="2024-07-29" description="v7.7.0" tags={["IBC", "Release"]}>
  ## Dependencies

  * [#6943](https://github.com/cosmos/ibc-go/pull/6943) Update Cosmos SDK to v0.47.13.

  ## Features

  * (apps/transfer) [#6877](https://github.com/cosmos/ibc-go/pull/6877) Added the possibility to transfer the entire user balance of a particular denomination by using [`UnboundedSpendLimit`](https://github.com/cosmos/ibc-go/blob/715f00eef8727da41db25fdd4763b709bdbba07e/modules/apps/transfer/types/transfer_authorization.go#L253-L255) as the token amount.
</Update>

<Update label="2024-06-20" description="v7.6.0" tags={["IBC", "Release"]}>
  ## State Machine Breaking

  * (apps/transfer, apps/27-interchain-accounts, app/29-fee) [#4992](https://github.com/cosmos/ibc-go/pull/4992) Set validation for length of string fields.
</Update>

<Update label="2024-06-20" description="v7.5.2" tags={["IBC", "Release"]}>
  ## Dependencies

  * [#6613](https://github.com/cosmos/ibc-go/pull/6613) Update Cosmos SDK to v0.47.12.

  ## Improvements

  * (apps/27-interchain-accounts) [#6436](https://github.com/cosmos/ibc-go/pull/6436) Refactor ICA host keeper instantiation method to avoid panic related to proto files.
</Update>

<Update label="2024-05-22" description="v7.5.1" tags={["IBC", "Release"]}>
  ## Improvements

  * (core/ante) [#6302](https://github.com/cosmos/ibc-go/pull/6302) Performance: Skip app callbacks during RecvPacket execution in checkTx within the redundant relay ante handler.
  * (core/ante) [#6280](https://github.com/cosmos/ibc-go/pull/6280) Performance: Skip redundant proof checking in RecvPacket execution in reCheckTx within the redundant relay ante handler.
  * (core/ante) [#6306](https://github.com/cosmos/ibc-go/pull/6306) Performance: Skip misbehaviour checks in UpdateClient flow and skip signature checks in reCheckTx mode.
</Update>

<Update label="2024-05-14" description="v7.5.0" tags={["IBC", "Release"]}>
  ## Dependencies

  * [#6254](https://github.com/cosmos/ibc-go/pull/6254) Update Cosmos SDK to v0.47.11 and CometBFT to v0.37.5.

  ## State Machine Breaking

  * (light-clients/07-tendermint) [#6276](https://github.com/cosmos/ibc-go/pull/6276) Fix: No-op to avoid panicking on `UpdateState` for invalid misbehaviour submissions.

  ## Improvements

  * (apps/27-interchain-accounts) [#6147](https://github.com/cosmos/ibc-go/pull/6147) Emit an event signalling that the host submodule is disabled.
  * (testing) [#6180](https://github.com/cosmos/ibc-go/pull/6180) Add version to tm abci headers in ibctesting.
  * (apps/27-interchain-accounts, apps/transfer, apps/29-fee) [#6253](https://github.com/cosmos/ibc-go/pull/6253) Allow channel handshake to succeed if fee middleware is wired up on one side, but not the other.
  * (apps/transfer) [#6268](https://github.com/cosmos/ibc-go/pull/6268) Use memo strings instead of JSON keys in `AllowedPacketData` of transfer authorization.

  ## Features

  * (apps/27-interchain-accounts) [#5633](https://github.com/cosmos/ibc-go/pull/5633) Allow new ICA channels to use unordered ordering.
  * (apps/27-interchain-accounts) [#5785](https://github.com/cosmos/ibc-go/pull/5785) Introduce a new tx message that ICA host submodule can use to query the chain (only those marked with `module_query_safe`) and write the responses to the acknowledgement.

  ## Bug Fixes

  * (apps/29-fee) [#6255](https://github.com/cosmos/ibc-go/pull/6255) Delete already refunded fees from state if some fee(s) cannot be refunded on channel closure.
</Update>

<Update label="2024-01-31" description="v7.3.2" tags={["IBC", "Release"]}>
  ## Dependencies

  * [#5717](https://github.com/cosmos/ibc-go/pull/5717) Update Cosmos SDK to v0.47.8 and CometBFT to v0.37.4.

  ## Improvements

  * (core) [#5541](https://github.com/cosmos/ibc-go/pull/5541) Enable emission of events on erroneous IBC application callbacks by appending a prefix to all event type and attribute keys.

  ## Bug Fixes

  * (apps/27-interchain-accounts) [#4944](https://github.com/cosmos/ibc-go/pull/4944) Add missing proto interface registration.
</Update>

<Update label="2023-10-20" description="v7.3.1" tags={["IBC", "Release"]}>
  ## Dependencies

  * [#4539](https://github.com/cosmos/ibc-go/pull/4539) Update Cosmos SDK to v0.47.5.

  ## Improvements

  * (apps/27-interchain-accounts) [#4537](https://github.com/cosmos/ibc-go/pull/4537) Add argument to `generate-packet-data` cli to choose the encoding format for the messages in the ICA packet data.

  ## Bug Fixes

  * (apps/transfer) [#4709](https://github.com/cosmos/ibc-go/pull/4709) Order query service RPCs to fix availability of denom traces endpoint when no args are provided.
</Update>

<Update label="2023-08-31" description="v7.3.0" tags={["IBC", "Release"]}>
  ## Dependencies

  * [#4122](https://github.com/cosmos/ibc-go/pull/4122) Update Cosmos SDK to v0.47.4.

  ## Improvements

  * [#4187](https://github.com/cosmos/ibc-go/pull/4187) Adds function `WithICS4Wrapper` to keepers to allow to set the middleware after the keeper's creation.
  * (light-clients/06-solomachine) [#4429](https://github.com/cosmos/ibc-go/pull/4429) Remove IBC key from path of bytes signed by solomachine and not escape the path.

  ## Features

  * (apps/27-interchain-accounts) [#3796](https://github.com/cosmos/ibc-go/pull/3796) Adds support for json tx encoding for interchain accounts.
  * [#4188](https://github.com/cosmos/ibc-go/pull/4188) Adds optional `PacketDataUnmarshaler` interface that allows a middleware to request the packet data to be unmarshaled by the base application.
  * [#4199](https://github.com/cosmos/ibc-go/pull/4199) Adds optional `PacketDataProvider` interface for retrieving custom packet data stored on behalf of another application.
  * [#4200](https://github.com/cosmos/ibc-go/pull/4200) Adds optional `PacketData` interface which application's packet data may implement.

  ## Bug Fixes

  * (04-channel) [#4476](https://github.com/cosmos/ibc-go/pull/4476) Use UTC time in log messages for packet timeout error.
  * (testing) [#4483](https://github.com/cosmos/ibc-go/pull/4483) Use the correct revision height when querying trusted validator set.
</Update>

<Update label="2024-01-31" description="v7.2.3" tags={["IBC", "Release"]}>
  ## Dependencies

  * [#5716](https://github.com/cosmos/ibc-go/pull/5716) Update Cosmos SDK to v0.47.8 and CometBFT to v0.37.4.

  ## Improvements

  * (core) [#5541](https://github.com/cosmos/ibc-go/pull/5541) Enable emission of events on erroneous IBC application callbacks by appending a prefix to all event type and attribute keys.
</Update>

<Update label="2023-10-20" description="v7.2.2" tags={["IBC", "Release"]}>
  ## Dependencies

  * [#4539](https://github.com/cosmos/ibc-go/pull/4539) Update Cosmos SDK to v0.47.5.

  ## Bug Fixes

  * (apps/transfer) [#4709](https://github.com/cosmos/ibc-go/pull/4709) Order query service RPCs to fix availability of denom traces endpoint when no args are provided.
</Update>

<Update label="2023-08-31" description="v7.2.1" tags={["IBC", "Release"]}>
  ## Bug Fixes

  * (04-channel) [#4476](https://github.com/cosmos/ibc-go/pull/4476) Use UTC time in log messages for packet timeout error.
  * (testing) [#4483](https://github.com/cosmos/ibc-go/pull/4483) Use the correct revision height when querying trusted validator set.
</Update>

<Update label="2023-06-22" description="v7.2.0" tags={["IBC", "Release"]}>
  ## Dependencies

  * [#3810](https://github.com/cosmos/ibc-go/pull/3810) Update Cosmos SDK to v0.47.3.
  * [#3862](https://github.com/cosmos/ibc-go/pull/3862) Update CometBFT to v0.37.2.

  ## State Machine Breaking

  * [#3907](https://github.com/cosmos/ibc-go/pull/3907) Re-implemented missing functions of `LegacyMsg` interface to fix transaction signing with ledger.
</Update>

<Update label="2023-06-09" description="v7.1.0" tags={["IBC", "Release"]}>
  ## Dependencies

  * [#3542](https://github.com/cosmos/ibc-go/pull/3542) Update Cosmos SDK to v0.47.2 and CometBFT to v0.37.1.
  * [#3457](https://github.com/cosmos/ibc-go/pull/3457) Update to ics23 v0.10.0.

  ## Improvements

  * (apps/transfer) [#3454](https://github.com/cosmos/ibc-go/pull/3454) Support transfer authorization unlimited spending when the max `uint256` value is provided as limit.

  ## Features

  * (light-clients/09-localhost) [#3229](https://github.com/cosmos/ibc-go/pull/3229) Implementation of v2 of localhost loopback client.
  * (apps/transfer) [#3019](https://github.com/cosmos/ibc-go/pull/3019) Add state entry to keep track of total amount of tokens in escrow.

  ## Bug Fixes

  * (core/04-channel) [#3346](https://github.com/cosmos/ibc-go/pull/3346) Properly handle ordered channels in `UnreceivedPackets` query.
  * (core/04-channel) [#3593](https://github.com/cosmos/ibc-go/pull/3593) `SendPacket` now correctly returns `ErrClientNotFound` in favour of `ErrConsensusStateNotFound`.
</Update>

<Update label="2023-05-25" description="v7.0.1" tags={["IBC", "Release"]}>
  ## Bug Fixes

  * [#3346](https://github.com/cosmos/ibc-go/pull/3346) Properly handle ordered channels in `UnreceivedPackets` query.
</Update>

<Update label="2023-03-17" description="v7.0.0" tags={["IBC", "Release"]}>
  ## Dependencies

  * [#2672](https://github.com/cosmos/ibc-go/issues/2672) Update to cosmos-sdk v0.47.
  * [#3175](https://github.com/cosmos/ibc-go/issues/3175) Migrate to cometbft v0.37.

  ## API Breaking

  * (core) [#2897](https://github.com/cosmos/ibc-go/pull/2897) Remove legacy migrations required for upgrading from Stargate release line to ibc-go >= v1.x.x.
  * (core/02-client) [#2856](https://github.com/cosmos/ibc-go/pull/2856) Rename `IterateClients` to `IterateClientStates`. The function now takes a prefix argument which may be used for prefix iteration over the client store.
  * (light-clients/tendermint)[#1768](https://github.com/cosmos/ibc-go/pull/1768) Removed `AllowUpdateAfterExpiry`, `AllowUpdateAfterMisbehaviour` booleans as they are deprecated (see ADR026)
  * (06-solomachine) [#1679](https://github.com/cosmos/ibc-go/pull/1679) Remove `types` sub-package from `06-solomachine` lightclient directory.
  * (07-tendermint) [#1677](https://github.com/cosmos/ibc-go/pull/1677) Remove `types` sub-package from `07-tendermint` lightclient directory.
  * (06-solomachine) [#1687](https://github.com/cosmos/ibc-go/pull/1687) Bump `06-solomachine` protobuf version from `v2` to `v3`.
  * (06-solomachine) [#1687](https://github.com/cosmos/ibc-go/pull/1687) Removed `DataType` enum and associated message types from `06-solomachine`. `DataType` has been removed from `SignBytes` and `SignatureAndData` in favour of `path`.
  * (02-client) [#598](https://github.com/cosmos/ibc-go/pull/598) The client state and consensus state return value has been removed from `VerifyUpgradeAndUpdateState`. Light client implementations must update the client state and consensus state after verifying a valid client upgrade.
  * (06-solomachine) [#1100](https://github.com/cosmos/ibc-go/pull/1100) Remove `GetClientID` function from 06-solomachine `Misbehaviour` type.
  * (06-solomachine) [#1100](https://github.com/cosmos/ibc-go/pull/1100) Deprecate `ClientId` field in 06-solomachine `Misbehaviour` type.
  * (07-tendermint) [#1097](https://github.com/cosmos/ibc-go/pull/1097) Remove `GetClientID` function from 07-tendermint `Misbehaviour` type.
  * (07-tendermint) [#1097](https://github.com/cosmos/ibc-go/pull/1097) Deprecate `ClientId` field in 07-tendermint `Misbehaviour` type.
  * (modules/core/exported) [#1107](https://github.com/cosmos/ibc-go/pull/1107) Merging the `Header` and `Misbehaviour` interfaces into a single `ClientMessage` type.
  * (06-solomachine)[#1906](https://github.com/cosmos/ibc-go/pull/1906/files) Removed `AllowUpdateAfterProposal` boolean as it has been deprecated (see 01\_concepts of the solo machine spec for more details).
  * (07-tendermint) [#1896](https://github.com/cosmos/ibc-go/pull/1896) Remove error return from `IterateConsensusStateAscending` in `07-tendermint`.
  * (apps/27-interchain-accounts) [#2638](https://github.com/cosmos/ibc-go/pull/2638) Interchain accounts host and controller Keepers now expects a keeper which fulfills the expected `exported.ScopedKeeper` interface for the capability keeper.
  * (06-solomachine) [#2761](https://github.com/cosmos/ibc-go/pull/2761) Removed deprecated `ClientId` field from `Misbehaviour` and `allow_update_after_proposal` field from `ClientState`.
  * (apps) [#3154](https://github.com/cosmos/ibc-go/pull/3154)  Remove unused `ProposalContents` function.
  * (apps) [#3149](https://github.com/cosmos/ibc-go/pull/3149) Remove legacy interface function `RandomizedParams`, which is no longer used.
  * (light-clients/06-solomachine) [#2941](https://github.com/cosmos/ibc-go/pull/2941) Remove solomachine header sequence.
  * (core) [#2982](https://github.com/cosmos/ibc-go/pull/2982) Moved the ibc module name into the exported package.

  ## State Machine Breaking

  * (06-solomachine) [#2744](https://github.com/cosmos/ibc-go/pull/2744) `Misbehaviour.ValidateBasic()` now only enforces that signature data does not match when the signature paths are different.
  * (06-solomachine) [#2748](https://github.com/cosmos/ibc-go/pull/2748) Adding sentinel value for header path in 06-solomachine.
  * (apps/29-fee) [#2942](https://github.com/cosmos/ibc-go/pull/2942) Check `x/bank` send enabled before escrowing fees.
  * (core/04-channel) [#3009](https://github.com/cosmos/ibc-go/pull/3009) Change check to disallow optimistic sends.

  ## Improvements

  * (core) [#3082](https://github.com/cosmos/ibc-go/pull/3082) Add `HasConnection` and `HasChannel` methods.
  * (tests) [#2926](https://github.com/cosmos/ibc-go/pull/2926) Lint tests
  * (apps/transfer) [#2643](https://github.com/cosmos/ibc-go/pull/2643) Add amount, denom, and memo to transfer event emission.
  * (core) [#2746](https://github.com/cosmos/ibc-go/pull/2746) Allow proof height to be zero for all core IBC `sdk.Msg` types that contain proofs.
  * (light-clients/06-solomachine) [#2746](https://github.com/cosmos/ibc-go/pull/2746) Discard proofHeight for solo machines and use the solo machine sequence instead.
  * (modules/light-clients/07-tendermint) [#1713](https://github.com/cosmos/ibc-go/pull/1713) Allow client upgrade proposals to update `TrustingPeriod`. See ADR-026 for context.
  * (modules/core/02-client) [#1188](https://github.com/cosmos/ibc-go/pull/1188/files) Routing `MsgSubmitMisbehaviour` to `UpdateClient` keeper function. Deprecating `SubmitMisbehaviour` endpoint.
  * (modules/core/02-client) [#1208](https://github.com/cosmos/ibc-go/pull/1208) Replace `CheckHeaderAndUpdateState` usage in 02-client with calls to `VerifyClientMessage`, `CheckForMisbehaviour`, `UpdateStateOnMisbehaviour` and `UpdateState`.
  * (modules/light-clients/09-localhost) [#1187](https://github.com/cosmos/ibc-go/pull/1187/) Removing localhost light client implementation as it is not functional. An upgrade handler is provided in `modules/migrations/v5` to prune `09-localhost` clients and consensus states from the store.
  * (modules/core/02-client) [#1186](https://github.com/cosmos/ibc-go/pull/1186) Removing `GetRoot` function from ConsensusState interface in `02-client`. `GetRoot` is unused by core IBC.
  * (modules/core/02-client) [#1196](https://github.com/cosmos/ibc-go/pull/1196) Adding VerifyClientMessage to ClientState interface.
  * (modules/core/02-client) [#1198](https://github.com/cosmos/ibc-go/pull/1198) Adding UpdateStateOnMisbehaviour to ClientState interface.
  * (modules/core/02-client) [#1170](https://github.com/cosmos/ibc-go/pull/1170) Updating `ClientUpdateProposal` to set client state in lightclient implementations `CheckSubstituteAndUpdateState` methods.
  * (modules/core/02-client) [#1197](https://github.com/cosmos/ibc-go/pull/1197) Adding `CheckForMisbehaviour` to `ClientState` interface.
  * (modules/core/02-client) [#1210](https://github.com/cosmos/ibc-go/pull/1210) Removing `CheckHeaderAndUpdateState` from `ClientState` interface & associated light client implementations.
  * (modules/core/02-client) [#1212](https://github.com/cosmos/ibc-go/pull/1212) Removing `CheckMisbehaviourAndUpdateState` from `ClientState` interface & associated light client implementations.
  * (modules/core/exported) [#1206](https://github.com/cosmos/ibc-go/pull/1206) Adding new method `UpdateState` to `ClientState` interface.
  * (modules/core/02-client) [#1741](https://github.com/cosmos/ibc-go/pull/1741) Emitting a new `upgrade_chain` event upon setting upgrade consensus state.
  * (client) [#724](https://github.com/cosmos/ibc-go/pull/724) `IsRevisionFormat` and `IsClientIDFormat` have been updated to disallow newlines before the dash used to separate the chainID and revision number, and the client type and client sequence.
  * (02-client/cli) [#897](https://github.com/cosmos/ibc-go/pull/897) Remove `GetClientID()` from `Misbehaviour` interface. Submit client misbehaviour cli command requires an explicit client id now.
  * (06-solomachine) [#1972](https://github.com/cosmos/ibc-go/pull/1972) Solo machine implementation of `ZeroCustomFields` fn now panics as the fn is only used for upgrades which solo machine does not support.
  * (light-clients/06-solomachine) Moving `verifyMisbehaviour` function from update.go to misbehaviour\_handle.go.
  * [#2434](https://github.com/cosmos/ibc-go/pull/2478) Removed all `TypeMsg` constants
  * (modules/core/exported) [#2539](https://github.com/cosmos/ibc-go/pull/2539) Removing `GetVersions` from `ConnectionI` interface.
  * (core/02-connection) [#2419](https://github.com/cosmos/ibc-go/pull/2419) Add optional proof data to proto definitions of `MsgConnectionOpenTry` and `MsgConnectionOpenAck` for host state machines that are unable to introspect their own consensus state.
  * (light-clients/07-tendermint) [#3046](https://github.com/cosmos/ibc-go/pull/3046) Moved non-verification misbehaviour checks to `CheckForMisbehaviour`.
  * (apps/29-fee) [#2975](https://github.com/cosmos/ibc-go/pull/2975) Adding distribute fee events to ics29.
  * (light-clients/07-tendermint) [#2965](https://github.com/cosmos/ibc-go/pull/2965) Prune expired `07-tendermint` consensus states on duplicate header updates.
  * (light-clients) [#2736](https://github.com/cosmos/ibc-go/pull/2736) Updating `VerifyMembership` and `VerifyNonMembership` methods to use `Path` interface.
  * (light-clients) [#3113](https://github.com/cosmos/ibc-go/pull/3113) Align light client module names.

  ## Features

  * (apps/transfer) [#3079](https://github.com/cosmos/ibc-go/pull/3079) Added authz support for ics20.
  * (core/02-client) [#2824](https://github.com/cosmos/ibc-go/pull/2824) Add genesis migrations for v6 to v7. The migration migrates the solo machine client state definition, removes all solo machine consensus states and removes the localhost client.
  * (core/24-host) [#2856](https://github.com/cosmos/ibc-go/pull/2856) Add `PrefixedClientStorePath` and `PrefixedClientStoreKey` functions to 24-host
  * (core/02-client) [#2819](https://github.com/cosmos/ibc-go/pull/2819) Add automatic in-place store migrations to remove the localhost client and migrate existing solo machine definitions.
  * (light-clients/06-solomachine) [#2826](https://github.com/cosmos/ibc-go/pull/2826) Add `AppModuleBasic` for the 06-solomachine client and remove solo machine type registration from core IBC. Chains must register the `AppModuleBasic` of light clients.
  * (light-clients/07-tendermint) [#2825](https://github.com/cosmos/ibc-go/pull/2825) Add `AppModuleBasic` for the 07-tendermint client and remove tendermint type registration from core IBC. Chains must register the `AppModuleBasic` of light clients.
  * (light-clients/07-tendermint) [#2800](https://github.com/cosmos/ibc-go/pull/2800) Add optional in-place store migration function to prune all expired tendermint consensus states.
  * (core/24-host) [#2820](https://github.com/cosmos/ibc-go/pull/2820) Add `MustParseClientStatePath` which parses the clientID from a client state key path.
  * (testing/simapp) [#2842](https://github.com/cosmos/ibc-go/pull/2842) Adding the new upgrade handler for v6 -> v7 to simapp which prunes expired Tendermint consensus states.
  * (testing) [#2829](https://github.com/cosmos/ibc-go/pull/2829) Add `AssertEvents` which asserts events against expected event map.

  ## Bug Fixes

  * (testing) [#3295](https://github.com/cosmos/ibc-go/pull/3295) The function `SetupWithGenesisValSet` will set the baseapp chainID before running `InitChain`
  * (light-clients/solomachine) [#1839](https://github.com/cosmos/ibc-go/pull/1839) Fixed usage of the new diversifier in validation of changing diversifiers for the solo machine. The current diversifier must sign over the new diversifier.
  * (light-clients/07-tendermint) [#1674](https://github.com/cosmos/ibc-go/pull/1674) Submitted ClientState is zeroed out before checking the proof in order to prevent the proposal from containing information governance is not actually voting on.
  * (modules/core/02-client)[#1676](https://github.com/cosmos/ibc-go/pull/1676) ClientState must be zeroed out for `UpgradeProposals` to pass validation. This prevents a proposal containing information governance is not actually voting on.
  * (core/02-client) [#2510](https://github.com/cosmos/ibc-go/pull/2510) Fix client ID validation regex to conform closer to spec.
  * (apps/transfer) [#3045](https://github.com/cosmos/ibc-go/pull/3045) Allow value with slashes in URL template.
  * (apps/27-interchain-accounts) [#2601](https://github.com/cosmos/ibc-go/pull/2601) Remove bech32 check from owner address on ICA controller msgs RegisterInterchainAccount and SendTx.
  * (apps/transfer) [#2651](https://github.com/cosmos/ibc-go/pull/2651) Skip emission of unpopulated memo field in ics20.
  * (apps/27-interchain-accounts) [#2682](https://github.com/cosmos/ibc-go/pull/2682) Avoid race conditions in ics27 handshakes.
  * (light-clients/06-solomachine) [#2741](https://github.com/cosmos/ibc-go/pull/2741) Added check for empty path in 06-solomachine.
  * (light-clients/07-tendermint) [#3022](https://github.com/cosmos/ibc-go/pull/3022) Correctly close iterator in `07-tendermint` store.
  * (core/02-client) [#3010](https://github.com/cosmos/ibc-go/pull/3010) Update `Paginate` to use `FilterPaginate` in `ClientStates` and `ConnectionChannels` grpc queries.
</Update>