Langfuse

What's Changed
* Resolve runtime error with openai extension when metadata is missing by seratch in https://github.com/langfuse/langfuse-python/pull/1115
* fix(openai): apply langfuse_mask by hassiebp in https://github.com/langfuse/langfuse-python/pull/1123

New Contributors
* seratch made their first contribution in https://github.com/langfuse/langfuse-python/pull/1115

**Full Changelog**: https://github.com/langfuse/langfuse-python/compare/v2.59.4...v2.59.5

What's Changed
* fix(langchain): cached token usage by hassiebp in https://github.com/langfuse/langfuse-python/pull/1121


**Full Changelog**: https://github.com/langfuse/langfuse-python/compare/v2.59.3...v2.59.4

What's Changed
* fix(openai): implement aclose on async stream responses by hassiebp in https://github.com/langfuse/langfuse-python/pull/1112


**Full Changelog**: https://github.com/langfuse/langfuse-python/compare/v2.59.2...v2.59.3

What's Changed
* fix(serializer): NaN handling by hassiebp in https://github.com/langfuse/langfuse-python/pull/1107
* feat(prompts): add commit message to prompt creation by hassiebp in https://github.com/langfuse/langfuse-python/pull/1108


**Full Changelog**: https://github.com/langfuse/langfuse-python/compare/v2.59.1...v2.59.2

What's Changed
* feat(ui): format token numbers by marcklingen in https://github.com/langfuse/langfuse/pull/2538
* feat(models): add aws bedrock model names for anthropic models by marcklingen in https://github.com/langfuse/langfuse/pull/2537
* chore: fixes flaky vitest suite by running in child process by hassiebp in https://github.com/langfuse/langfuse/pull/2533
* fix: rephrase ingestion error event by maxdeichmann in https://github.com/langfuse/langfuse/pull/2536


**Full Changelog**: https://github.com/langfuse/langfuse/compare/v2.59.0...v2.59.1

What's Changed
* feat(trace timeline): add expand/collapse all buttons by marliessophie in https://github.com/langfuse/langfuse/pull/2524
* feat(api): add `models` api routes by marcklingen in https://github.com/langfuse/langfuse/pull/2531
* perf(ui): fetch metadata individually on generations and traces tables by marcklingen in https://github.com/langfuse/langfuse/pull/2507 and https://github.com/langfuse/langfuse/pull/2506
* fix: keep the tmp col on backfill script by hassiebp in https://github.com/langfuse/langfuse/pull/2518
* fix(ui): bg of trace tabs on published traces by marcklingen in https://github.com/langfuse/langfuse/pull/2525
* fix: calculate costs only if there are no user provided cost by hassiebp in https://github.com/langfuse/langfuse/pull/2530
* fix(ui): utc startDate in model form by marcklingen in https://github.com/langfuse/langfuse/pull/2532


**Full Changelog**: https://github.com/langfuse/langfuse/compare/v2.58.0...v2.59.0