v3.186.0
What's Changed
Features
- feat(blob-storage): block legacy export source for new Cloud exporters by @niklassemmler in https://github.com/langfuse/langfuse/pull/14044
- feat(datasets): make default UI tab in datasets detail page by @marliessophie in https://github.com/langfuse/langfuse/pull/14223
- feat(media): add upload rate limit budget by @hassiebp in https://github.com/langfuse/langfuse/pull/14226
- feat(session): add root observation filter to session detail by @hassiebp in https://github.com/langfuse/langfuse/pull/14220
- feat(scores): add api_version to ClickHouse log_comment tags by @niklassemmler in https://github.com/langfuse/langfuse/pull/14233
- feat(agents): add housekeeping skill by @hassiebp in https://github.com/langfuse/langfuse/pull/14252
- feat(agent): Show sources for agent answers by @bezbac in https://github.com/langfuse/langfuse/pull/14218
- feat(monitors): add in-progress leading window to live preview by @marksalpeter in https://github.com/langfuse/langfuse/pull/14251
Fixes / Improvments
- fix(experiments): add dataset selector to run experiments form by @marliessophie in https://github.com/langfuse/langfuse/pull/14204
- fix(datasets): update id documentation and validation to enforce max length of 255 characters by @marliessophie in https://github.com/langfuse/langfuse/pull/14205
- fix(annotation): support adding trace-level scores when in FP by @marliessophie in https://github.com/langfuse/langfuse/pull/13587
- fix(batch-export): read observations from events table for v4 users by @niklassemmler in https://github.com/langfuse/langfuse/pull/14216
- fix(worker): resolve app default export under tsx ESM interop by @sumerman in https://github.com/langfuse/langfuse/pull/14219
- fix(api): don't let scores value operator override timestamp filters by @niklassemmler in https://github.com/langfuse/langfuse/pull/14217
- fix(anthropic): remove default disabled thinking for fable and mythos by @hassiebp in https://github.com/langfuse/langfuse/pull/14221
- fix(agent): Small improvements by @bezbac in https://github.com/langfuse/langfuse/pull/14248
- perf(api): add redundant timestamp bound to scores v3 cursor for index pruning (LFE-10208) by @niklassemmler in https://github.com/langfuse/langfuse/pull/14230
Chores
- ci: Add workflow to label PRs with merge conflicts by @bezbac in https://github.com/langfuse/langfuse/pull/13976
- chore(deps): bump grpc-js to 1.14.4 by @nimarb in https://github.com/langfuse/langfuse/pull/14244
- docs(agents): update weekly production review skill by @maxdeichmann in https://github.com/langfuse/langfuse/pull/14253
- chore: one more place to fix 422 alerting by @sumerman in https://github.com/langfuse/langfuse/pull/14255
- chore(deps): bump esbuild to 0.28.1 by @nimarb in https://github.com/langfuse/langfuse/pull/14247
- docs(agents): add weekly review alert load table by @maxdeichmann in https://github.com/langfuse/langfuse/pull/14256
Full Changelog: https://github.com/langfuse/langfuse/compare/v3.185.0...v3.186.0
Fetched June 15, 2026
