modules/light-clients/08-wasm/v10.3.0

08-wasm v10.3.0 Release Notes

There are no significant changes to the 08-wasm module itself beyond using ibc-go v10.3.0, to view all the changes in ibc-go v10.3.0, see the release notes for more details.

Migration Guide

This version does not contain any breaking changes to any API, and can be migrated to with a coordinated chain upgrade. If you are upgrading from v8 or earlier, see the migration documentation below.

Migration documentation is found here.

v10.3.0

ibc-go v10.3.0 Release Notes

Notable changes introduced in ibc-go v10.3.0 are highlighted below, view the full changelog for more details.

Prefix-based routing in the IBC v2 router

This release adds the capability for the IBC v2 router to associate port ID prefixes with modules, not only exact port IDs like it was in the case in previous versions.

Parse IBC v2 packet from ABCI events in tests

Parsing IBC packets from ABCI events in tests has been a much-used feature of the ibc-go testing library, and in this release we're adding support for parsing IBC v2 packets as well from the ABCI events in unit and e2e tests.

⚠️ Note: the previous function names for parsing packets from ABCI events have been deprecated and will be removed in a future major release of ibc-go.

Migration Guide

This version does not contain any breaking changes to any API, but it is state breaking, and can be migrated to with a coordinated chain upgrade. If you are upgrading from v8 or earlier, see the migration documentation below.

Migration documentation is found here.

v10.3.0 rc.0

v10.3.0-rc.0

chore: set release for v10.3.0 in changelog (#8491)

v10.2.0

ibc-go v10.2.0 Release Notes

Notable changes introduced in ibc-go v10.2.0 are highlighted below, view the full changelog for more details.

Cosmos SDK v0.53.0

This release features an upgrade of the Cosmos SDK to the latest version: v0.53.0. To see more details on the v0.53.0 release, view the Cosmos SDK v0.53.0 Release Notes

Migration Guide

This version does not contain any breaking changes to any API, and can be migrated to with a coordinated chain upgrade. If you are upgrading from v8 or earlier, see the migration documentation below.

Migration documentation is found here.

modules/light-clients/08-wasm/v10.2.0

08-wasm v10.2.0 Release Notes

Notable changes introduced in modules/light-clients/08-wasm v10.2.0 are highlighted below, view the full changelog for more details.

Cosmos SDK v0.53.0

This release features an upgrade of the Cosmos SDK to the latest version: v0.53.0. To see more details on the v0.53.0 release, view the Cosmos SDK v0.53.0 Release Notes

Migration Guide

This version does not contain any breaking changes to any API, and can be migrated to with a coordinated chain upgrade. If you are upgrading from v8 or earlier, see the migration documentation below.

Migration documentation is found here.

v10.1.1

ibc-go v10.1.1 Release Notes

Notable changes introduced in ibc-go v10.1.1 are highlighted below, view the full changelog for more details.

New Features

The iteration of the protocol, IBC v2 is added alongside the existing IBC protocol:

• The new protocol removes channel and connection handshakes, minimising the application interface, reducing complexity and making it easier to use IBC in new domains: connectivity with Ethereum is now possible.
• This blog provides an overview of the new protocol, a more technical overview is found in the IBC v2 specification.
• Token transfer, and the callbacks middleware is supported with IBC v2.
• Existing IBC channels will remain functional, there is no migration to the v2 protocol in this release.

New versioning scheme for modules

Previously, modules in ibc-go have been versioned and branched separately. Starting with the v10 line, modules/light-clients/08-wasmwill follow and release together with ibc-go. The first stable release of 08-wasm will be 08-wasm/v10.0.0. The callbacks module has been included in ibc-go's own module, and is therefore not a separate module anymore.

You can find releases and notes for 08-wasm seperately.

Removal to ease maintenance and reduce attack surface

• Removal of the capabilities module
• Removal of the fee middleware module
• Removal of channel upgradability

Other noteworthy changes

Since the early work started on v10, some important changes also include:

• Redaction of ibc-go v9, so that we could also remove ICS20v2 (ics20-2)
• Cleanup of API surface, bringing back multiple functions as deprecated to reduce upgrade burden from v8

Migration Guide

Migration documentation is found here.

modules/light-clients/08-wasm/v10.1.1

08-wasm v10.1.1 Release Notes

Notable changes introduced in modules/light-clients/08-wasm v10.1.1 are highlighted below, view the full changelog for more details.

New features

• A new CosmWasm querier that enables 08-wasm light clients to perform BLS signature aggregation and verification.

New versioning scheme for modules

Previously, modules in ibc-go have been versioned and branched separately. Starting with the v10 line, modules/light-clients/08-wasmwill follow and release together with ibc-go. The first stable release of 08-wasm will be 08-wasm/v10.0.0. The callbacks module has been included in ibc-go's own module, and is therefore not a separate module anymore.

Migration Guide

Migration documentation is found here.

v8.7.0

This release contains a fix for ISA-2025-001.

This version addresses a security vulnerability in IBC-go's deserialisation of acknowledgements and we strongly encourage everyone in the affected versions to update their chain immediately. This patch is not state-breaking, so chains can upgrade in a rolling manner. This does not have to be a co-ordinated upgrade. However, validators should upgrade as soon as possible when the release is made available. If the vulnerability is exploited before 2/3 is patched, the chain will halt.

Full Changelog: v8.6.1...v8.7.0

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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.

v7.10.0

This release contains a fix for ISA-2025-001.

This version addresses a security vulnerability in IBC-go's deserialisation of acknowledgements and we strongly encourage everyone in the affected versions to update their chain immediately. This patch is not state-breaking, so chains can upgrade in a rolling manner. This does not have to be a co-ordinated upgrade. However, validators should upgrade as soon as possible when the release is made available. If the vulnerability is exploited before 2/3 is patched, the chain will halt.

Full Changelog: v7.9.2...v7.10.0

---

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.

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

---

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.