3.6

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3.6.1 - Pop, Lock it, Docket

Released on November 10, 2025 Enhancements ➕

• Add logfire sampling configuration and fix boolean env var handling by @zzstoatzz in #19383

Bug Fixes 🐞

• Fix interactive deploy CLI selecting wrong flow when opting out by @zzstoatzz in #19392
• Fix deployment.parameters in nested flows using ContextVars by @zzstoatzz in #19366

Integrations & Dependencies 🤝

• Upgrade pydocket to stable 0.13.0 release by @zzstoatzz in #19401

Documentation 📓

• Add client methods for querying events via REST API by @zzstoatzz in #19382

Full Changelog: https://github.com/PrefectHQ/prefect/compare/3.6.0…3.6.1

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3.6.0 - Throw it on the docket and we’ll get to it in a jiffy

This release adds pydocket, a background task system, to replace FastAPI’s background_tasks. Background tasks now include automatic retries and can optionally use Redis as a backing layer for enhanced durable execution. Released on November 07, 2025 Enhancements ➕➕

• Replace FastAPI background_task usage with pydocket by @desertaxle in #19377
• Emit events for deployment pull step execution by @zzstoatzz in #19339

Bug Fixes 🐞

• Fix import order dependency and circular import issues by @zzstoatzz in #19344
• Fix deployment.parameters in subprocess flows by @zzstoatzz in #19331
• Fix misleading pyright error when calling async task with wrong argument types by @zzstoatzz in #19327
• Fix EventsWorker singleton leak in prefect_test_harness by @zzstoatzz in #19343
• Fix run_deployment execution graph display when called from tasks by @desertaxle in #19361
• Fix automation deletion deadlock by enforcing consistent lock ordering by @zzstoatzz in #19369

Integrations & Dependencies 🤝

• Update prefect-ui-library to latest version by @znicholasbrown in #19350

Development & Tidiness 🧹

• Remove legacy settings imports from CLI by @desertaxle in #19353
• Clean up root directory by @zzstoatzz in #19355
• Replace Optional with pipe syntax in _trim_traceback function by @devin-ai-integration[bot] in #19358
• Auto-close superseded documentation PRs by @zzstoatzz in #19357
• Add @chrisguidry as a CODEOWNER by @desertaxle in #19368
• Sync UI v2 OpenAPI schema with node v20.19.0 by @zzstoatzz in #19373
• Migrate RedisStorageContainer from sync_compatible to async_dispatch by @devin-ai-integration[bot] in #19363

Documentation 📓

• Add Pulumi section to Infrastructure as Code documentation by @bdalpe in #19352
• Fix link in ECS worker docs by @mattiamatrix in #19364

Full Changelog: https://github.com/PrefectHQ/prefect/compare/3.5.0…3.6.0

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