v4.17.0

What's Changed

Features

• feat(evals): new evaluation UX by @wochinge in #15906
• feat(annotation-queues): create queues from trace table by @bezbac in #16355
• feat(modern-session): display arbitrary metadata by @nimarb in #16063
• feat(billing): CHB project events to event bus by @Steffen911 in #15461
• feat(v4-migration): show the migration UI by default on dual write mode by @Steffen911 in #16316
• feat(web): make markdown render character limit configurable at container runtime by @DavidTraina in #16166
• feat(in-app-agent): emit sandbox lifecycle metrics for MicroVMs by @LysanderKie in #16394
• feat(annotation-queues): create queues from events table by @bezbac in #16427
• feat(in-app-agent): cache stable Bedrock prefixes across turns by @LysanderKie in #16459
• feat(evals): show and filter evaluator models by @wochinge in #16466
• feat(in-app-agent): Add Anthropic Messages as a supported model provider for Langfuse Assistant (OSS) by @LysanderKie in #16385
• feat(onboarding): Ask to enable AI features during onboarding by @bezbac in #16389

Fixes

• fix(in-app-agent): explain failed background runs without leaking internals by @LysanderKie in #16387
• fix(in-app-agent): refuse to delete user project keys during MCP cleanup by @LysanderKie in #16393
• fix(structure): restore the sensor's import graph and re-snapshot the baseline by @nkabardin in #16390
• fix(in-app-agent): mark loop errors on the APM span after ACK by @LysanderKie in #16404
• fix(assistant): preserve model prompts in traces by @bezbac in #16407
• fix: remove score chart style prop overrides by @wochinge in #16403
• fix(modern-session): format tokens with thousands by @nimarb in #16423
• fix(web): drop stale-version toast in favor of the update banner by @nkabardin in #16422
• fix(trace): stop the timeline describing its own geometry by @nkabardin in #16419
• fix(monitors): bound the monitor scheduler's claim query and fix redis instrumentation by @marksalpeter in #16213
• fix(in-app-agent): rewrite step-limit wrap-up so Bedrock never sees assistant prefill by @LysanderKie in #16424
• fix(evals): link code evaluators to their scores by @wochinge in #16438
• fix(scores): support evaluator metadata filters by @wochinge in #16439
• fix(api): keep migrated evaluation rules manageable by @wochinge in #16449
• fix(annotation-queues): Don't reset trace expansion state between traces by @bezbac in #16417
• fix: sidestep 500 on NextAuth HTML routes when callback URL is invalid by @sumerman in #16461
• fix(evals): stop validating rule mappings when updating an evaluator by @cursor[bot] in #16460
• fix(evals): activate disabled rules on evaluator attach by @wochinge in #16465
• fix(mcp): Use matches observation filters by @bezbac in #16410

Chores

• refactor(web): Convert some components to the dialog / popover controller pattern by @bezbac in #15893
• ci(assistant): publish sandbox MicroVM image to the preview account by @LysanderKie in #16386
• chore(assistant): remove beta label by @nimarb in #16388
• chore(pricing): add flex and fast prices by @langfuse-bot in #16335
• refactor(web): Clean up LocalIsoDate by @bezbac in #16400
• refactor(web): Extract SearchInput component with dropdown by @bezbac in #16406
• chore: disable prod-jp from cloud deployments by @hassiebp in #16415
• refactor(web): Lint & merge duplicate imports by @bezbac in #16413
• chore: Add design system code owner by @bezbac in #16420
• chore(assistant): medium thinking with opus by @nimarb in #16421
• docs(seeder): show supportsV4 marker in list subcommand text output by @Harsh23Kashyap in #16430
• test: stabilize evaluator and SSRF integration coverage by @wochinge in #16468

New Contributors

• @cursor[bot] made their first contribution in #16460

Full Changelog: v4.16.0...v4.17.0