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chore: Cosmos SDK v0.44.1 release notes #10345

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chore: Cosmos SDK v0.44.1 release notes #10345

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v0.44.1 Release Notes
robert-zaremba Oct 12, 2021
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robert-zaremba Oct 12, 2021
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4 changes: 4 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -37,6 +37,10 @@ Ref: https://keepachangelog.com/en/1.0.0/

## [Unreleased]

## [v0.44.2](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.44.2) - 2021-10-12

Security Release. No breaking changes related to 0.44.x.

## [v0.44.1](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.44.1) - 2021-09-29

### Improvements
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22 changes: 4 additions & 18 deletions RELEASE_NOTES.md
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# Cosmos SDK v0.44.1 Release Notes
# Cosmos SDK v0.44.2 Release Notes

This release introduces bug fixes and improvements on the Cosmos SDK v0.44 series.
Recently, the Cosmos-SDK team became aware of a high-severity security vulnerability that impacts Cosmos-SDK v0.43.x and v0.44.x and can result in a consensus halt. User funds are NOT at risk; however, the vulnerability can result in a chain halt. This vulnerability does not impact the current Cosmos Hub, though other Cosmos-SDK based blockchains using v0.43.x or v0.44.x may be affected and are advised to update to v0.44.2 immediately.

The main bug fix concerns all users performing in-place store migrations from v0.42 to v0.44. A source of non-determinism in the upgrade process has been [detected and fixed](https://github.com/cosmos/cosmos-sdk/pull/10189) in this release, causing consensus errors. As such, **v0.44.0 is not safe to use when performing v0.42->v0.44 in-place store upgrades**, please use this release v0.44.1 instead. This does not impact genesis JSON dump upgrades nor fresh chains starting with v0.44.
Nodes can update their software independently of each other (no coordinated chain restart necessary), but should do so as soon as they are able.

Another bug fix concerns calling the ABCI `Query` method using `client.Context`. We modified ABCI queries to use `abci.QueryRequest`'s `Height` field if it is non-zero, otherwise continue using `client.Context`'s height. This is a minor client-breaking change for users of the `client.Context`.

Some CLI fixes are also included, such as:

- using pre-configured data for the CLI `add-genesis-account` command ([\#9969](https://github.com/cosmos/cosmos-sdk/pull/9969)),
- ensuring the `init` command reads the `--home` flag value correctly ([#10104](https://github.com/cosmos/cosmos-sdk/pull/10104)),
- fixing the error message when `period` or `period-limit` flag is not set on a feegrant grant transaction [\#10049](https://github.com/cosmos/cosmos-sdk/issues/10049).

v0.44.1 also includes performance improvements, namely:

- IAVL update to v0.17.1 which includes performance improvements on a batch load [\#10040](https://github.com/cosmos/cosmos-sdk/pull/10040),
- Speedup coins.AmountOf(), by removing many intermittent regex calls [\#10021](https://github.com/cosmos/cosmos-sdk/pull/10021),
- Improve CacheKVStore datastructures / algorithms, to no longer take O(N^2) time when interleaving iterators and insertions [\#10026](https://github.com/cosmos/cosmos-sdk/pull/10026).

See the [Cosmos SDK v0.44.1 milestone](https://github.com/cosmos/cosmos-sdk/milestone/56?closed=1) on our issue tracker for the exhaustive list of all changes.
A full disclosure will be published a week after the release.