Releasesby Glyph2.20.26 - 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...
Also shipped Sep 2, 2026Prefect in September 2026 →
Openflow Connector for Jira Cloud: Core flow (General availability)
The Atlassian Jira Cloud (Core) flow is now generally available. The flow ingests Jira Cloud issues, projects, users, and related data into dedicated Snowflake tables with explicit schemas. It supports optional deletion tracking and parallel ingestion across projects. The Atlassian Jira Cloud (Agile) flow remains in Public Preview .
Git Folder Serverless is in Beta
You can now use Git Folder Serverless to share serverless compute and a pyproject.toml -managed environment across notebooks and files in a Git folder. See Git Folder Serverless .
AlloyDB real-time BigQuery access adds limit pushdown and runtime projects
The preview feature pushes some LIMIT and OFFSET clauses down to BigQuery to cut network transfer, and optional runtime projects let queries run and bill compute separately from the owning project.
OpenJDK 11 will no longer be supported as of January 14, 2027
OpenJDK 11 will no longer be supported as of January 14, 2027 . Customer-hosted instances must upgrade to OpenJDK 21 .
Gemini Enterprise: Gemini 3.8 Flash available in Global, US, and EU regions
Gemini 3.8 Flash is generally available (GA) in the global , us , and eu regions. For more information, see: Manage features on the web app Data residency for Gemini Enterprise Standard and Plus Editions and Gemini Notebook Enterprise
Gemini 3.8 Flash is generally available
Gemini 3.8 Flash is now generally available (GA) and available for production use. For more information on 3.8 Flash, see the model page .
More from PrefectEvery Prefect release →
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...
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...
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...
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.
Prefect 3.8.3 - Insert batching pun here
Enhancements ➕➕ Stop fragmenting task run recorder bulk upserts Engage the auto-uv run launcher for process workers Show elapsed time for running flow runs in the V2 UI flow run header Block submission when a required array parameter is emptied in the V2 UI Bug Fixes 🐞 Preserve a statement cache size of 0 Reject option-like Git branch values Stop leaking...
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 3.8.2 - Array we there yet?
Enhancements ➕➕ Add removable chips for multi-select enum array fields Send a Prefect User-Agent on WebSocket handshakes Virtualize the timezone select option list Bug Fixes 🐞 Show all timezones in the timezone select Propagate array item edits and link deployments from the flow page Preserve an empty array when clearing list parameter selections Open the...
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...