Data and AI releases

548 this month ยท 176 companies

Prefect, June 2026 new features

4 releases ยท 1 product

Prefect 3.7.6 - You can only be `Late` once

Bug Fixes ๐Ÿž Return PrefectFutureList from Task.map when deferred=True Fix race condition in UI static directory creation with multiple workers Raise clear error when FlowRun/TaskRun passed as task argument Prevent duplicate Late state transitions in MarkLateRuns Quote -q and -p args separately in work-queue create output Development & Tidiness ๐Ÿงน Widen...

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Prefect 3.7.5 - No run left CANCELLING

Enhancements โž•โž• Add cancelling timeout cleanup producer Add backend observability for worker channel and cleanup queue Bug Fixes ๐Ÿž Fix pending task runs in flow run graph Add index on event_resources(occurred) for vacuum performance Fix FastAPI 0.137 compatibility , skip route deletion when router is referenced Degrade events WebSocket on transient...

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Prefect 3.7.4 - From cradle to grave

New Features ๐ŸŽ‰ Emit lifecycle events (created, updated, deleted) for all domain objects including variables, flows, block documents, block types, concurrency limits, artifact collections, and automations Enhancements โž•โž• Add Redis-backed cleanup queue backend with optimistic transactions and cross-process wakeups Add cleanup reconciler for worker channel...

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Prefect 3.7.3 - Scheduler go brrrr

Automatic dependency installation for pulled-code deployments is now opt-in. In 3.7.2, the runner would automatically prepare project dependencies when a deployment pulled code containing a pyproject.toml. This behavior is now disabled by default.

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