Releasesby GlyphPrefect 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.
Also shipped Jul 2, 2026Prefect in July 2026 →
VARIANT data type on Delta Direct tables (General availability)
With this release, Snowflake supports the VARIANT data type on Iceberg tables created from Delta table files in object storage (Delta Direct). When your Delta tables include variant columns, Snowflake maps them to the Snowflake VARIANT data type. You can query semi-structured data using VARIANT functions and dot or bracket notation.
Metadata-based sensitive data classification recommendations (Public Preview)
Snowflake is rolling out metadata-based sensitive data classification recommendations in Snowsight to help you identify databases that are likely to contain sensitive data and enable classification with one click.
Lakeflow Connect row filtering is now generally available
Row filtering in Lakeflow Connect is now generally available. Row filtering allows you to ingest only the rows you need by applying conditions similar to a SQL WHERE clause, improving performance and minimizing data duplication.
Genie One enhancements and bug fixes
- Ontology snippets (Public Preview) : Genie One now supports ontology snippets. This feature is in Public Preview. Contact your Databricks account team to sign up. See Genie Ontology . Document edit timestamps : Documents now show the date and time they were last edited. See Documents in Genie One . Links in documents : Documents now support links.
Genie Agent (formerly Genie Space) enhancements
- Agent mode is generally available : Agent mode in Genie Agents (formerly Genie Spaces) is now generally available. Agent mode uses multi-step reasoning to answer complex, exploratory questions with a report that includes citations, visualizations, and supporting tables. See Genie Agents concepts .
[Launched] Generally available: Anthropic Claude Sonnet 5 on Azure Databricks
Azure Databricks now supports Anthropic Claude Sonnet 5 through Azure Databricks AI Model Serving. Claude Sonnet 5 is Anthropic's most agentic Sonnet model to date, delivering near-Opus-level intelligence with Sonnet's cost efficiency and speed. Designed
More from PrefectEvery Prefect release →
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 3.7.8: 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...
Prefect 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...
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 3.7.5 - 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 3.8: the redesigned UI ships by default
The redesigned UI is now the default for self-hosted servers, with quicker run navigation, clickable log links, and a round of reliability fixes.
Prefect 3.8.0 - You had me at first paint
Enhancements ➕➕ Add deployment filters to flow run triggers Make the V2 UI the default for self-hosted servers Copy additional options when using "Copy to new run" in the V2 UI Add "Copy to new run" to the flow run menu in the V2 UI Make URLs in run logs clickable in the V2 UI Allow year/month selection and manual typing in date inputs in the V2 UI Add...