v3.159.0

What's Changed

Features

• feat(evals): add docs link for backfilling on observation-level LLM-a… by @annabellscha in https://github.com/langfuse/langfuse/pull/12567
• feat: replay ingestion events v2 by @Steffen911 in https://github.com/langfuse/langfuse/pull/12319
• feat(web): show sync status badge and error alert in blob storage settings by @sumerman in https://github.com/langfuse/langfuse/pull/12575
• feat(prompts): add "Select all N / Clear" links and search+create input for custom labels by @gtabidze in https://github.com/langfuse/langfuse/pull/12496

Fixes

• fix(prompt-management): allow unicode prompt variables by @aditya-mitra in https://github.com/langfuse/langfuse/pull/12173
• fix(playground): dont cut off selected tools/schemas by @nimarb in https://github.com/langfuse/langfuse/pull/12593
• fix(invoice-table): fix type by @nimarb in https://github.com/langfuse/langfuse/pull/12594
• fix(api): return 404 instead of 501 for v2 APIs on self-hosted by @Steffen911 in https://github.com/langfuse/langfuse/pull/12610

Perf

• perf: avoid FINAL on traces table in traces.metrics endpoint by @6matt in https://github.com/langfuse/langfuse/pull/12546

Chores

• chore(deps): bump use-query-params to 2.2.2 by @nimarb in https://github.com/langfuse/langfuse/pull/12585
• chore(deps): bump turbo to 2.8.16 by @nimarb in https://github.com/langfuse/langfuse/pull/12586
• chore(deps): upgrade to tailwind v4 by @nimarb in https://github.com/langfuse/langfuse/pull/12590
• docs: add sdk upgrade note to v4 beta popup by @jannikmaierhoefer in https://github.com/langfuse/langfuse/pull/12611

New Contributors

• @annabellscha made their first contribution in https://github.com/langfuse/langfuse/pull/12567
• @gtabidze made their first contribution in https://github.com/langfuse/langfuse/pull/12496

Full Changelog: https://github.com/langfuse/langfuse/compare/v3.158.0...v3.159.0