Data and AI releases

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prefect 3.6.6 - The Eternal Docket of the Spotless Server

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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...

GovernancePostgresDeveloper tools

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Also shipped Dec 11, 2025Prefect in December 2025 →

Mobile Session Replay in Public Preview

We are excited to announce the Public Preview of Mobile Session Replay. This new capability allows you to review replays for your mobile apps synced with detailed telemetry data, giving you the context needed to understand user interactions and resolve issues faster. What is Mobile Session Replay?

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PHI Redaction Now Available for Batch and Streaming Speech-to-Text

We're excited to announce that PHI (Protected Health Information) redaction is now available for both batch (pre-recorded) and streaming speech-to-text. redact=phi You can now redact protected health information using the new phi parameter, which redacts the following entity types: condition , drug , injury , blood_type , medical_process , and statistics .

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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

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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...

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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...

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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...

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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...

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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

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Prefect 3.6.3 - That's JSON Bourne

Enhancements ➕➕ - Add -o json output option to prefect flow-run ls command - fix: allow pause_flow_run() to pause parent flow when called from task Bug Fixes 🐞 - Use acquisition service pattern for lease-based concurrency slots - fix: respect subflow attributes (log_prints, result_storage) when running inside task - fix: defer forward reference resolution...

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