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## Features and enhancements
* Added readiness checks for the distributor ([#5142](https://github.com/grafana/pyroscope/pull/5142)).
* Added debug information list and delete APIs, including `profilecli` support ([#5217](https://github.com/grafana/pyroscope/pull/5217)).
* Added dataset index generation in segment writer segments ([#5112](https://github.com/grafana/pyroscope/pull/5112)).
* Added metastore cache hit/miss metrics ([#5156](https://github.com/grafana/pyroscope/pull/5156)).
* Added distributor ingest parse duration histograms and per-tenant query bytes-fetched metrics ([#5107](https://github.com/grafana/pyroscope/pull/5107), [#5180](https://github.com/grafana/pyroscope/pull/5180)).
* Added query frontend estimation accuracy metrics and log ratio output ([#5252](https://github.com/grafana/pyroscope/pull/5252)).
* Added per-tenant limits for the number of recording rules ([#5247](https://github.com/grafana/pyroscope/pull/5247)).
* Updated the Helm chart to default to the v2 storage architecture and added support for deploying extra Kubernetes manifests with `extraObjects` ([#5160](https://github.com/grafana/pyroscope/pull/5160), [#5097](https://github.com/grafana/pyroscope/pull/5097)).
* Migrated monitoring dashboards to native histograms ([#5048](https://github.com/grafana/pyroscope/pull/5048)).
## Bug fixes
* Fixed an out-of-bounds panic in `clearAddresses` ([#5250](https://github.com/grafana/pyroscope/pull/5250)).
* Fixed nil matcher handling for recording rule upserts ([#5134](https://github.com/grafana/pyroscope/pull/5134)).
* Fixed tenant ID validation in store-gateway ([#5194](https://github.com/grafana/pyroscope/pull/5194)).
* Fixed archive extraction issues, including zip-slip/tar-slip cleanup and file closure handling ([#5195](https://github.com/grafana/pyroscope/pull/5195), [#5206](https://github.com/grafana/pyroscope/pull/5206)).
* Fixed label value cloning to avoid buffer reuse-after-free issues ([#5116](https://github.com/grafana/pyroscope/pull/5116)).
* Fixed query read path edge cases, including unknown `QueryNode` panics, sub-millisecond step parameters, and range-series bucketing ([#5196](https://github.com/grafana/pyroscope/pull/5196), [#5137](https://github.com/grafana/pyroscope/pull/5137), [#5161](https://github.com/grafana/pyroscope/pull/5161)).
* Fixed store-gateway ring route registration ([#5130](https://github.com/grafana/pyroscope/pull/5130)).
* Fixed speedscope handling for unknown unit values by returning an error instead of panicking ([#5143](https://github.com/grafana/pyroscope/pull/5143)).
* Fixed metastore shard cache reads and compaction worker histogram buckets ([#5189](https://github.com/grafana/pyroscope/pull/5189), [#5164](https://github.com/grafana/pyroscope/pull/5164)).
* Fixed Helm chart rendering for `volumeClaimTemplates` by adding `apiVersion` and `kind` ([#5203](https://github.com/grafana/pyroscope/pull/5203)).
## Security updates
* Updated UI dependencies for security fixes, including Vite, `tar`, `js-yaml`, `@babel/core`, `uuid`, and other transitive dependencies ([#5260](https://github.com/grafana/pyroscope/pull/5260), [#5263](https://github.com/grafana/pyroscope/pull/5263), [#5123](https://github.com/grafana/pyroscope/pull/5123), [#5181](https://github.com/grafana/pyroscope/pull/5181)).
* Updated Go dependencies for security fixes, including `golang.org/x/net`, `golang.org/x/crypto`, `golang.org/x/image`, and `github.com/prometheus/prometheus` ([#5131](https://github.com/grafana/pyroscope/pull/5131), [#5197](https://github.com/grafana/pyroscope/pull/5197), [#5216](https://github.com/grafana/pyroscope/pull/5216), [#5113](https://github.com/grafana/pyroscope/pull/5113)).
* Updated the Go toolchain directive for security coverage ([#5228](https://github.com/grafana/pyroscope/pull/5228)).
* Hardened archive extraction paths and cleanup behavior ([#5195](https://github.com/grafana/pyroscope/pull/5195), [#5206](https://github.com/grafana/pyroscope/pull/5206)).
## Documentation updates
* Added generated YAML examples and documentation for v2 configuration blocks ([#5151](https://github.com/grafana/pyroscope/pull/5151)).
* Removed the public preview note from `pyroscope.receive_http` documentation ([#5176](https://github.com/grafana/pyroscope/pull/5176)).
* Updated supported .NET versions to 8, 9, and 10 ([#5096](https://github.com/grafana/pyroscope/pull/5096)).
* Refreshed README content and agent guides for the v2 layout, Go version, and tracing updates ([#5246](https://github.com/grafana/pyroscope/pull/5246), [#5183](https://github.com/grafana/pyroscope/pull/5183)).
* Fixed a broken Grafana Cloud Profiles link in SDK guides ([#5132](https://github.com/grafana/pyroscope/pull/5132)).
As always, feedback is more than welcome, feel free to open issues/discussions.
You can reach out to the team using:
- [Slack](https://grafana.slack.com/archives/C049PLMV8TB)
- [Github Discussions](https://github.com/grafana/pyroscope/discussions)
- [Github Issues](https://github.com/grafana/pyroscope/issues)
- [Mailing List](https://groups.google.com/g/pyroscope-team)
## Docker Images
- [grafana/pyroscope](https://hub.docker.com/r/grafana/pyroscope/tags)
```bash
docker pull grafana/pyroscope:2.1.0
```
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