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2.1.19

parruda/swarm2.1.19Jul 7, 2026by github-actions[bot]

AI Summary

This release focuses on backend performance improvements and CI configuration alignment, specifically targeting query optimization and thread scanning.

Key Highlights

  • Drop unnecessary FINAL from spans lookup in experiment refs query
  • Fix project size-estimate cache to actually engage
  • Bound the per-project pending-closure thread scan
  • Align TestContainers ClickHouse config with distributed layer

Full Release Notes

## What's Changed
* [NA] [QA] fix: poll Threads count in thread-logging smoke to fix flake by @AndreiCautisanu in https://github.com/comet-ml/opik/pull/7363
* [OPIK-7257] perf(backend): drop unnecessary FINAL from spans lookup in experiment refs query by @thiagohora in https://github.com/comet-ml/opik/pull/7372
* [OPIK-7256] fix(backend): make project size-estimate cache actually engage by @thiagohora in https://github.com/comet-ml/opik/pull/7371
* [OPIK-7255] perf(backend): bound the per-project pending-closure thread scan by @thiagohora in https://github.com/comet-ml/opik/pull/7370
* [OPIK-6882] [BE] [CI] feat: align TestContainers ClickHouse config and migration check with distributed layer by @thiagohora in https://github.com/comet-ml/opik/pull/7381


**Full Changelog**: https://github.com/comet-ml/opik/compare/2.1.18...2.1.19