Releasesby Glyphprefect 3.7.6 - You can only be `Late` once
Bug Fixes 🐞 Return PrefectFutureList from Task.map when deferred=True Fix race condition in UI static directory creation with multiple workers Raise clear error when FlowRun/TaskRun passed as task argument Prevent duplicate Late state transitions in MarkLateRuns Quote -q and -p args separately in work-queue create output Development & Tidiness 🧹 Widen...
Also shipped Jun 25, 2026Prefect in June 2026 →
Genie One enhancements
- Share chats with account users : You can now share Genie One chats with all users in your account as read-only. See Share a chat . New external source connections (Beta) : Chat in Genie One now supports connecting to Gmail and additional Microsoft 365 apps (Teams, Outlook, and Calendar). See Connect to external tools and sources .
Fast mode for Claude Opus 4.7 deprecated, removal on July 24, 2026
After July 24, 2026, requests to claude-opus-4-7 with speed fast will return an error. Anthropic recommends migrating to fast mode on Claude Opus 4.8.
Copilot code review: Analysis depth and efficiency updates
Copilot code review now uses the built-in file exploration tools available in the Copilot CLI and SDK, significantly improving review cost efficiency with no change to your existing workflow. If you’re in the Medium analysis depth public preview, you’ll also see some new updates centered around configurability and visibility of review depth.
Enterprise-managed settings now support strictKnownMarketplaces in VS Code and GitHub Copilot CLI
Enterprises can now control which plugins their users can install in GitHub Copilot CLI and VS Code. This setting is now available in public preview. Add strictKnownMarketplaces to your enterprise-managed settings.json , and Copilot will only allow plugins to be installed from the marketplaces you’ve explicitly defined.
Saved views for repository issues – Public Preview and adjustable row heights in projects
Saved views for repository issues Repository Issues pages now support saved views, making it easier for teams to create and share filtered views of their issues. With saved views, anyone with triage access or above can create shared views like “Unassigned bugs”, “Needs triage”, or “Customer-reported issues”.
Red Hat Enterprise Linux runner images are now in public preview
GitHub-hosted larger runners now support Red Hat Enterprise Linux (RHEL) 9 and RHEL 10 images in public preview, introduced in partnership with Red Hat. Organizations can use these RHEL images as the foundation for custom images that include required tools, dependencies, and configurations.
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Prefect 3.7.1 through 3.7.7: real-time workers and a faster scheduler
The releases between 3.7.0 and 3.7.8 built a real-time channel between the server and workers, made the scheduler noticeably faster, and started emitting lifecycle events for every object.
Prefect 3.7.7 - Don't put that work pool configuration in your mouth. It's stale
Enhancements ➕➕ Accept a single step mapping in prefect.yaml action sections Bug Fixes 🐞 Fix set_working_directory relative path resolution in workspace resolver Run pull steps for module-path entrypoints when loading flow from flow run Fix UI version redirect leaking internal host behind reverse proxy Reconcile stale work-pool snapshots on worker...
Prefect 3.7.5 - No run left CANCELLING
Enhancements ➕➕ Add cancelling timeout cleanup producer Add backend observability for worker channel and cleanup queue Bug Fixes 🐞 Fix pending task runs in flow run graph Add index on event_resources(occurred) for vacuum performance Fix FastAPI 0.137 compatibility , skip route deletion when router is referenced Degrade events WebSocket on transient...
Prefect 3.7.8: scheduling and event stream fixes
A patch release focused on reliability at the edges: RRULE schedule anchors, the event recorder under load, and clearer worker auth errors.
Prefect 3.7.8 - The flush must go on
Enhancements ➕➕ Format server-side validation errors for concurrency slot acquisition Bug Fixes 🐞 Keep TaskRunRecorder periodic flush alive when events are dropped Fix Windows permission error on git pull in runner storage Fix RRULE schedule anchor computed in UTC but interpreted as local time Reconnect events client from time-based checkpoint when...
Workspace search and a command palette in Prefect Cloud
Find any object in your workspace by ID or search term, view and filter results on a dedicated page, and jump to any page or run common actions from a command palette.
Prefect 3.7.4 - From cradle to grave
New Features 🎉 Emit lifecycle events (created, updated, deleted) for all domain objects including variables, flows, block documents, block types, concurrency limits, artifact collections, and automations Enhancements ➕➕ Add Redis-backed cleanup queue backend with optimistic transactions and cross-process wakeups Add cleanup reconciler for worker channel...
Prefect 3.7.3 - Scheduler go brrrr
Automatic dependency installation for pulled-code deployments is now opt-in. In 3.7.2, the runner would automatically prepare project dependencies when a deployment pulled code containing a pyproject.toml. This behavior is now disabled by default.