What's Changed

• feat: adds links in and out of playground from prompt management and tracing by @hassiebp in https://github.com/langfuse/langfuse/pull/2123
• feat(ui): add dark mode by @RichardKruemmel in https://github.com/langfuse/langfuse/pull/1998, https://github.com/langfuse/langfuse/pull/2128 and https://github.com/langfuse/langfuse/pull/2127
• feat: move scores table on trace and observation preview into seperate tab by @marliessophie in https://github.com/langfuse/langfuse/pull/2078
• perf(api): optimize get traces api & fix totalCost by @marcklingen in https://github.com/langfuse/langfuse/pull/2117
• fix(api): dedupe and sort trace tags by @marcklingen in https://github.com/langfuse/langfuse/pull/2122
• fix: prompt metrics router add early return if no valid promptIds array input by @marliessophie in https://github.com/langfuse/langfuse/pull/2125
• feat(scores): add nullable authorUserId to scores, to be used in future annotation releases by @marliessophie in https://github.com/langfuse/langfuse/pull/21
• chore(deps): bump @t3-oss/env-nextjs from 0.8.0 to 0.10.1 by @dependabot in https://github.com/langfuse/langfuse/pull/1962
• chore(deps): bump the patches group across 1 directory with 14 updates by @dependabot in https://github.com/langfuse/langfuse/pull/2120

Full Changelog: https://github.com/langfuse/langfuse/compare/v2.44.0...v2.45.0