v10 beta

Third beta of ibc-go v10 with Eureka support.

This version is expected to be the last before an RC is tagged as changes should be stabilizing.

New in this beta, among others, are:

• Removed fee middleware
• Removed channel upgradability
• Cleanup of API surface, bringing back multiple functions as deprecated to reduce upgrade burden from v8

v8.6.1

This release contains a fix to ASA-2025-004

It is recommended to upgrade to this version as soon as possible.

Full Changelog: v8.5.3...v8.6.1

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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 v0.50.9 and ibc-go v8.5.1, please follow:

1. 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.
2. The migration from ibc-go v1 to v2.
3. The migration from ibc-go v2 to v3.
4. The migration from ibc-go v3 to v4.
5. The migration from ibc-go v4 to v5.
6. The migration from ibc-go v5 to v6.
7. The migration from ibc-go v6 to v7.
8. The migration from ibc-go v7 to v7.1.
9. The migration from ibc-go v7.2 to v7.3.
10. The migration from ibc-go v7 to v8.
11. The migration from ibc-go v8 to v8.1.

v7.9.2

This release contains a fix to ASA-2025-004

It is recommended to upgrade to this version as soon as possible.

Full Changelog: v7.8.0...v7.9.2

---

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 v0.50.9 and ibc-go v8.5.1, please follow:

1. 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.
2. The migration from ibc-go v1 to v2.
3. The migration from ibc-go v2 to v3.
4. The migration from ibc-go v3 to v4.
5. The migration from ibc-go v4 to v5.
6. The migration from ibc-go v5 to v6.
7. The migration from ibc-go v6 to v7.
8. The migration from ibc-go v7 to v7.1.
9. The migration from ibc-go v7.2 to v7.3.

modules/light-clients/08-wasm/v0.6.0+ibc-go-v10.0-wasmvm-v2.2 beta

Third beta of the 08-wasm light client with ibc-go v10.

This version is only relevant for early integrators as documentation are still missing and bugs are expected.

modules/apps/callbacks/v0.3.0+ibc-go-v10.0 beta

Third beta of the callbacks middleware with ibc-go v10 and Eureka support.

This version is only relevant for early integrators as documentation are still missing and bugs are expected.

modules/light-clients/08-wasm/v0.5.0+ibc-go-v8.4-wasmvm-v1.2

‼️ Please note: This is a state machine breaking change and will require a coordinated upgrade.

The changes in this release:

Dependencies

• #7735 Bump wasmvm to v2.1.4 * (NOTE: This is a state machine breaking dependency update)

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In order to use this release, please follow the steps to import git commit 3f2a900.

Full Changelog: modules/light-clients/08-wasm/v0.4.1+ibc-go-v8.4-wasmvm-v2.0...modules/light-clients/08-wasm/v0.5.0+ibc-go-v8.4-wasmvm-v1.2

modules/light-clients/08-wasm/v0.4.0+ibc-go-v7.4-wasmvm-v1.5

‼️ Please note: This is a state machine breaking change and will require a coordinated upgrade.

The changes in this release:

Dependencies

• #7744 Bump wasmvm to 1.5.6 * (NOTE: This is state machine breaking change)

---

In order to use this release, please follow the steps to import git commit 8392c48.

Full Changelog: modules/light-clients/08-wasm/v0.3.1+ibc-go-v7.4-wasmvm-v1.5...modules/light-clients/08-wasm/v0.4.0+ibc-go-v7.4-wasmvm-v1.5

v8.5.2

We present here a summary of the most relevant changes, please see the v8.5.2 changelog for more details.

Testing

• #7430 Update the block proposer in test chains for each block.

Bug Fixes

• (core/03-connection) #7397 Skip the genesis validation connectionID for localhost client.

v8.5.1

This release fixes a panic that occurred during instantiation of the interchain accounts host keeper when populating the list of all module safe queries and port definitions were not found. The solution implemented is to use the cosmos/gogoproto registry instead of including the entire merged global files registry. Please check the v8.5.1 changelog for more details. Big thanks to @damiannolan for resolving this issue!

---

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 v0.50.9 and ibc-go v8.5.1, please follow:

1. 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.
2. The migration from ibc-go v1 to v2.
3. The migration from ibc-go v2 to v3.
4. The migration from ibc-go v3 to v4.
5. The migration from ibc-go v4 to v5.
6. The migration from ibc-go v5 to v6.
7. The migration from ibc-go v6 to v7.
8. The migration from ibc-go v7 to v7.1.
9. The migration from ibc-go v7.2 to v7.3.
10. The migration from ibc-go v7 to v8.
11. The migration from ibc-go v8 to v8.1.

v8.5.0

We present here a summary of the most relevant changes, please see the v8.5.0 changelog for more details. Please note that this release, as indicated in our release versioning policy, is state machine breaking and requires a coordinated upgrade.

dependencies

• Cosmos SDK has been bumped to v0.50.9.
• ics23 has been bumped to v0.11.0.

core/03-connection

• We have removed from the connection handshake the verification step that guaranteed that the client state and consensus state stored by the light client on the counterparty is a correct representation of the chain and its consensus state. Please check cosmos/ibc#1121 for more details and rationale.

---

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 v0.50.9 and ibc-go v8.5.0, please follow:

1. 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.
2. The migration from ibc-go v1 to v2.
3. The migration from ibc-go v2 to v3.
4. The migration from ibc-go v3 to v4.
5. The migration from ibc-go v4 to v5.
6. The migration from ibc-go v5 to v6.
7. The migration from ibc-go v6 to v7.
8. The migration from ibc-go v7 to v7.1.
9. The migration from ibc-go v7.2 to v7.3.
10. The migration from ibc-go v7 to v8.
11. The migration from ibc-go v8 to v8.1.