What's Changed

• fix: validate query by @maxdeichmann in https://github.com/langfuse/langfuse/pull/1985
• fix(prompts): filter by label to prompts table by @marcklingen in https://github.com/langfuse/langfuse/pull/1980
• perf: limit filteroptions api by @maxdeichmann in https://github.com/langfuse/langfuse/pull/1973
• fix: improve filteroptions api by @maxdeichmann in https://github.com/langfuse/langfuse/pull/1993
• perf: instrument tokenisation by @maxdeichmann in https://github.com/langfuse/langfuse/pull/1995
• fix: help strings and links across eval feature by @marcklingen in https://github.com/langfuse/langfuse/pull/1996
• fix(rbac): viewers have read-only access to evaluation resources by @marcklingen in https://github.com/langfuse/langfuse/pull/1997
• perf: add sentry counter for ingested events by @maxdeichmann in https://github.com/langfuse/langfuse/pull/1999
• fix(ui): render chatml output correctly if array passed by @hassiebp in https://github.com/langfuse/langfuse/pull/2000
• perf: add sentry metrics integration by @maxdeichmann in https://github.com/langfuse/langfuse/pull/2002
• feat: add posthog by @RichardKruemmel in https://github.com/langfuse/langfuse/pull/1983

Full Changelog: https://github.com/langfuse/langfuse/compare/v2.38.0...v2.38.1