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docs: Update release notes for recent 2.9 releases (#12349)
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JStickler authored Mar 26, 2024
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Expand Up @@ -32,14 +32,38 @@ Grafana Labs is excited to announce the release of Loki 2.9.0 Here's a summary o
- The `-ingester.unordered-writes` CLI flag is deprecated and will always default to `true` in the next major release.
- For the full list of deprecations, see CHANGELOG.md


## Bug fixes

### 2.9.5 (2024-02-28)

* Bump base images and Go dependencies to address CVEs ([#12092](https://github.com/grafana/loki/issues/12092)) ([eee3598](https://github.com/grafana/loki/commit/eee35983f38fe04543b169ffa8ece76c23c4217b)).

For a full list of all changes and fixes, refer to the [CHANGELOG](https://github.com/grafana/loki/blob/release-2.9.x/CHANGELOG.md).

### 2.9.4 (2024-01-24)

- Fixed a couple of data races that can cause panics due to concurrent read-write access of tenant configs.
- Fixed a bug in the log results cache.
- Fixed the cache to atomically check background cache size limit correctly.
- Fixed the discrepancy between the semantics of logs and metrics queries.
- Fixed promtail default scrape config causing CPU and memory load.
- Update golang.org/x/crypto to v0.18.0.

For a full list of all changes and fixes, refer to the [CHANGELOG](https://github.com/grafana/loki/blob/release-2.9.x/CHANGELOG.md).

### 2.9.3 (2023-12-11)

* Upgrade otelhttp from 0.40.0 -> 0.44.0 and base alpine image from 3.18.3 -> 3.18.5 to fix a few CVES (CVE-2023-45142, CVE-2022-21698, CVE-2023-5363).
* Fix querying ingester for label values with a matcher (previously didn't respect the matcher).
* Ensure all lifecycler cfgs ref a valid IPv6 addr and port combination.

For a full list of all changes and fixes, refer to the [CHANGELOG](https://github.com/grafana/loki/blob/release-2.9.x/CHANGELOG.md).

### 2.9.2 (2023-10-16)

* Upgrade go to v1.21.3, golang.org/x/net to v0.17.0 and grpc-go to v1.56.3 to patch CVE-2023-39325 / CVE-2023-44487

For a full list of all changes and fixes, look at the [CHANGELOG](https://github.com/grafana/loki/blob/release-2.9.x/CHANGELOG.md).
For a full list of all changes and fixes, refer to the [CHANGELOG](https://github.com/grafana/loki/blob/release-2.9.x/CHANGELOG.md).

### 2.9.1 (2023-09-14)

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