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@julienrbrt julienrbrt released this 31 Jan 14:45
· 3659 commits to main since this release
v0.47.0-rc2
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Cosmos SDK v0.47.0-rc2 Release Notes

Cosmos SDK v0.47.0-rc2 contains all the features and changes that are planned for the final v0.47.0 release.
This release candidate is intended to give application developers and validator operators a chance to test the release candidate before the final release.

The main changes in this release are:

  • Upgrade to Tendermint v0.37.0.

    • With the notable introduction of ABCI 1.0.
    • Changes of events keys and values from []byte to string.

  • Support of ABCI 1.0 in the SDK.

    • Allows chains to set their own mempool implementation.
    • Support of the new PrepareProposal and ProcessProposal ABCI methods.

  • Deprecation of the x/params module.

    • Modules params are now handled directly by the modules themselves, with the message MsgUpdateParams.
    • All core modules have migrated away from x/params. It is recommended to migrate your custom modules as well.

  • Migration from gogo/protobuf to cosmos/gogoproto.

    • The SDK was using the now unmaintained gogo/protobuf library. This has been replaced by cosmos/gogoproto which is a fork of gogo/protobuf with some improvements and fixes, that is maintained by the Cosmos SDK team.
    • This change is not transparent for applications developers. All proto files should be regenerated with the new library.
    • Please use the ghcr.io/cosmos/proto-builder image (version >= 0.11.2) for generating protobuf files.

  • Dependency Injection / App Wiring

    • App Wiring is ready for community feedback and testing. It allows to build a chain with less boilerplate by removing the need to manually wire a chain.
    • Community feedback will be implemented in the following releases which can lead to API breakage (runtime and depinject are pre-1.0).
    • Manually wiring an application is still possible and will always remain supported.

  • Removal of the proposer-based rewards from x/distribution.

    • This removes unfairness towards smaller validators.

  • Re-addition of title and summary fields on group and gov proposals.

    • In v0.46 with x/gov v1, these fields were not present (while present in v1beta1). After community feedback, they have been added in x/gov v1.

  • Refactoring of tests in the SDK and addition of the simtestutil package, for facilitating testing without depending on simapp.

    • Any dependencies on simapp in an application must be removed going forward.

Refer to the UPGRADING.md for upgrading your application.
Please see the CHANGELOG for an exhaustive list of changes.

Full Commit History (previous version): release/v0.46.x...release/v0.47.x
Full Commit History (rc1..rc2): v0.47.0-rc1...v0.47.0-rc2

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