prefect 3.6.7 - LoopService #OpenToWork: 3+ Years Experience Looping
3.6.7 - LoopService #OpenToWork: 3+ Years Experience Looping Released on December 18, 2025 Enhancements ➕➕ Add support for AWS IAM authentication for PostgreSQL database Add generic typing support for Variable.get method Convert late_runs service to Docket perpetual function Convert repossessor service to Docket perpetual function Convert foreman service to...
Also shipped Dec 18, 2025Prefect in December 2025 →
Response Healing: Reduce JSON Defects by 80%+
Response Healing is a new feature that automatically corrects malformed JSON responses from LLMs before they reach the application.
WAF Release - 2025-12-18
This week's release focuses on improvements to existing detections to enhance coverage. Key Findings Existing rule enhancements have been deployed to improve detection resilience against broad classes of web attacks and strengthen behavioral coverage.
Process large-scale inference workloads asynchronously with the new Batch API and Files API
Process large-scale inference workloads asynchronously with the new Batch API and Files API. Submit up to 50,000 requests in a single batch job and get 50% cost savings. Learn more in our Batch guide.
December Release Spotlight
OpenRouter released updates including Response Healing for structured outputs, chatroom notifications, and long-context model rankings.
AI Crawl Control - New AI Crawl Control Overview tab
The Overview tab is now the default view in AI Crawl Control. The previous default view with controls for individual AI crawlers is available in the Crawlers tab. What's new Executive summary , Monitor total requests, volume change, most common status code, most popular path, and high-volume activity Operator grouping , Track crawlers by their operating...
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Prefect 3.6.8 - On Exception! On Timeout! On Error and Failure! 🦌
3.6.8 - On Exception! On Timeout! On Error and Failure! 🦌 Released on December 24, 2025 New Features 🎉 Add prefect flow-run retry command Enhancements ➕➕ Add url property to server-side ReceivedEvent for automation templates Bug Fixes 🐞 Add timeout to Docket worker shutdown Prevent dictionary mutation during iteration in preprocess_schema Allow string...
Prefect 3.6.6 - The Eternal Docket of the Spotless Server
3.6.6 - The Eternal Docket of the Spotless Server Released on December 08, 2025 Enhancements ➕➕ Add client-side configuration for deployment concurrency grace period Add PostgreSQL search_path support via settings Add memory safeguards to event persister service Add perpetual services infrastructure and convert cancellation_cleanup to perpetual Docket task...
Prefect 2.20.25 - Latest and Greatest
Bug Fixes 🐞 - fix: update 2-latest Docker tag on all 2.x releases Integrations & Dependencies 🤝 - chore(deps): update asyncpg requirement from =0.23 to >=0.23,<0.32.0
Prefect 3.6.9 - Auld Lang Sync
3.6.9 - Auld Lang Sync Released on December 31, 2025 New Features 🎉 Add worker-side cancellation for pending flow runs Enhancements ➕➕ Add JSON schema for prefect.yaml files Send entrypoint pip install errors to Prefect logs Run read and count queries concurrently in paginate endpoints Bug Fixes 🐞 Preserve symlinks in get_directory instead of following...
Prefect 3.6.5 - Batch Me If You Can
3.6.5 - Batch Me If You Can Released on December 04, 2025 Enhancements ➕➕ Raise if event is too big Support Path objects in result_storage parameter Hide "Join the Community" in air-gapped deployments Parametrize xreadgroup batch size in consumer and add EventPersister service setting Parametrize xautoclaim batch size Parametrize TaskRunRecorder and Trigger...
Prefect 3.6.10 - Five Bugs Walked Into A Bar And None Of Them Left
3.6.10 - Five Bugs Walked Into A Bar And None Of Them Left Released on January 08, 2026 Enhancements ➕➕ Add prefect automation update CLI command Add upserting global concurrency limit decay Bug Fixes 🐞 Fix AttributeError in Consumer.cleanup() for non-memory brokers Fix exception_to_crashed_state_sync failing without async backend Fix MockValSer...
Prefect 2.20.24 - They Don't Make Workers Like This Anymore
- fix: use Pydantic v1 compatible worker metadata for Prefect 2.x
Prefect 3.6.4 - No Deployment Left Unparametrized
Bug Fixes 🐞 - fix: preserve event template parameters in deployment triggers - Fix truncating log behavior Integrations & Dependencies 🤝 - Chore: Bump ui library Documentation 📓 - docs: Add migration note about unmapped mutable objects