What's Changed
* feat(ui): improve trace view: collapse/expand observation tree + color coding of observation types by functorism in https://github.com/langfuse/langfuse/pull/916
* feat(ui): delete prompts and prompt versions + deduplication of prompt variables in prompt editor by khareyash05 in https://github.com/langfuse/langfuse/pull/1116
* chore: add betterstack env to env.prod.example by maxdeichmann in https://github.com/langfuse/langfuse/pull/1132
* chore: upgrade dependencies
New Contributors
* functorism made their first contribution in https://github.com/langfuse/langfuse/pull/916
**Full Changelog**: https://github.com/langfuse/langfuse/compare/v2.3.0...v2.4.0