v1.27.0

Changelog

🚀 Features

• UI: Group top-level step spans using step/group IDs (#4305)
• Extended traces metrics with hard caps (#4293)
• Deterministic finalized step span IDs (#4274)

🐛 Bug Fixes

• Preserve debounce on migration failure (#4243)
• (debounce) Preserve TTL from DebounceUpdate (#4349)
• Preserve debounce migration guard on cleanup failure (#4354)
• Fudge planned step span times slightly to prevent rollup race condition (#4364)
• V2 api event/runs statuses (#4361)
• Re-enable parallel processing for crons (#4369)

🚜 Refactor

• (checkpointing) RequestID -> GenerationID (#4342)
• Refactor tel package to remove noise (#4352)

⚡ Performance

• (cron) Split cron partitions by workspace (#4356)

⚙️ Miscellaneous Tasks

• Update v2 /runs to use latest trace span structures (#4346)
• Expand batch buffer wait metric buckets (#3867)