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finalize changelog and release notes (#8804)
Co-authored-by: Barrie Byron <barrie.byron@tendermint.com> Co-authored-by: Cory <cjlevinson@gmail.com>
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| # Cosmos SDK v0.42.0 "Stargate" Release Notes | ||
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| This release contains a single, but important security fix for all non "Cosmos Hub" chains (e.g. any chain that does not use the default `cosmos` bech32 prefix). The fix addresses a bug in evidence handling on the Cosmos SDK that rendered the `v0.41.x` and `v0.40.x` release series unsafe for most chains. Please see the PR below for more details. | ||
| This release includes an important security fix for all non "Cosmos Hub" chains (e.g. any chain that does not use the default `cosmos` bech32 prefix), and a few performance improvements. | ||
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| ## Bug Fixes | ||
| See the [Cosmos SDK v0.42.0 milestone](https://github.com/cosmos/cosmos-sdk/milestone/42?closed=1) on our issue tracker for further details. | ||
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| - [#8461](https://github.com/cosmos/cosmos-sdk/pull/8461) Fix bech32 prefix in evidence validator address conversion | ||
| # Security fix: validator address conversion in evidence handling | ||
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| The security fix resolves the issue regarding incorrect handling of validators' consensus addresses. Because of this incorrect handling, Cosmos SDK apps that were not using the default `cosmos` Bech32 address prefix were not able to jail validators that committed misbehaviors such as double signing. | ||
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| Although the issue does **not** affect the Cosmos Hub, this issue potentially renders the `v0.41` and `v0.40` release series unsafe for most chains. | ||
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| # Full header is emitted on IBC UpdateClient message event | ||
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| The event emitted by the IBC UpdateClient message now contains the full header. | ||
| This change makes header tracking easier and improves the handling of misbehaviors. |