Releasesby Ibisprefect 2.20.27 - Trust Issues
UpdateyesterdayUnverifiedAdded Oct 24, 2026
Prefect 2.20.27 includes dependency updates and security improvements for Docker images.
Topics: Security
More Prefect releases
Every Prefect releasePrefect 3.9.0 - Pendulum's last swing
3.9.0 - Pendulum's last swing Released on October 21, 2026 Breaking Changes ⚠️ Drop Python 3.10 support Remove deprecated Runner execution paths Deprecate Pendulum datetime behavior on Python 3.11–3.12 New Features 🎉 Add Python 3.15 support Enhancements ➕➕ Add opt-in clearing for empty deployment schedules Cut CPU spent delivering events and API logs Open...
Prefect 3.8.8 - I take my wildcards literally
This is the last release that will support Python 3.10 , future releases will require Python 3.11 or later. Bug Fixes 🐞 Fix get_call_parameters to unwrap FieldInfo defaults for flow runs Page through all runs in cancellation cleanup and pause expiration monitors Fix UnboundLocalError in observer _get_k8s_jobs when the Kubernetes client can't be created...
Prefect 3.8.7 - There's no place like local
3.8.7 - There's no place like local Released on September 25, 2026 New Features 🎉 Add browser-local pinned deployments to the React UI Enhancements ➕➕ Format deployment Created/Updated timestamps in ui-v2 metadata Show tag names inline and make tag overflow focusable in ui-v2 Set browser tab titles on entity and index pages in ui-v2 Add...
Prefect 3.8.6 - Pause for cancellation
Enhancements ➕➕ Reduce task run recorder INSERT compilation CPU Allow transitioning to cancelling from paused Allow cancelling a blocking paused flow run after its pause timeout elapses Bug Fixes 🐞 Fix Docker work pool editing and block/env serialization in UI v2 Treat ERROR_ACCESS_DENIED as alive in Windows _is_pid_alive Rebuild invalid...
Prefect 3.8.5 - A little jitter never hurt anybody
Enhancements ➕➕ Suggest existing deployment tags in the V2 deployments filter Use current settings for resource label validation Add parameter overrides to the deployment schedule dialog Use indexed flow run cleanup with separate orphan reconciliation Add id fields and matching filters to automation count and filter models Reduce event persister INSERT...
2.20.26 - Still Prefect After All These Years
Integrations & Dependencies 🤝 chore(deps): update click requirement from =8.0 to >=8.0, =21.3 to >=21.3, =0.12.0 to >=0.12.0,!=0.12.2, =1.0.4 to >=1.0.4, =0.12.0 to >=0.12.0,!=0.12.2, =2021.1 to >=2021.1, =1.0.12 to >=1.0.12,<7.0.0 Fix 2.x compatibility with current dependencies Development & Tidiness 🧹 Migrate 2.x PyPI publishing to OIDC Uncategorized...
Prefect 3.8.4 - Seconds of the world, unite!
Enhancements ➕➕ Add time selection to the interval schedule anchor date Add a configurable base directory for included files Add an index on flow_run.deployment_id Open a parameters dialog when a quick run needs required parameters Bug Fixes 🐞 Prevent runners from overwriting handled flow-run outcomes Fix ProcessWorker auto-uv after pull steps Honor a...
Artifacts get a home in Prefect Cloud
A top-level Artifacts page in the sidebar and command palette, with redesigned collection and detail views, support for every SDK artifact type, and inline version rendering.
Also shipped on Oct 23, 2026
Prefect in October 2026Retrieve Cortex Search (Public Preview)
The CORTEX_SEARCH_RETRIEVE table function is now in public preview, allowing users to execute low-latency search queries directly from SQL for RAG and chatbot applications.
DataFrame caching on serverless compute is now in Public Preview
Databricks now supports DataFrame caching on serverless compute via df.cache() or df.persist(), allowing users to reuse results within a session.
Box Audit Logs managed ingestion connector (Beta)
The Box Audit Logs connector for Lakeflow Connect is now available in beta, enabling the ingestion of enterprise audit events into Databricks.
Manage Test Engine workflows with Terraform and the REST API
Users can now manage Test Engine workflows using the buildkite_test_suite_workflow Terraform resource or the REST API, enabling code-based configuration of monitors and actions.
Flagship - Target Flagship feature flags with structured evaluation context
Flagship now supports nested objects and arrays in evaluation context, allowing developers to target feature flags based on complex user profiles and tags.
Responses API for the Cortex REST API (Preview)
The new Responses API in the Cortex REST API provides OpenAI-compatible endpoints for accessing models.