What's Changed

• fix: prompt var validation in form should not block by @marcklingen in https://github.com/langfuse/langfuse/pull/1659
• feat: enable up/down nav on traces/datasetitems when coming from dataset run items by @marcklingen in https://github.com/langfuse/langfuse/pull/1661

Full Changelog: https://github.com/langfuse/langfuse/compare/v2.21.0...v2.21.1