Releasesby Glyphprefect 3.6.16 - It's Bulking Season
New Features 🎉 Add prefect cloud asset list and delete commands Add bulk operation endpoints for flow runs, deployments, and flows Add SDK instrumentation module Enhancements ➕➕ Allow infra name templating with flow and flow_run Add max_scheduled_runs, parameters, and slug fields to deployment schedule methods Bug Fixes 🐞 Fix visit_collection to handle...
Also shipped Feb 5, 2026Prefect in February 2026 →
- Expanded DuckDB Extension support in the MotherDuck MCP Server: The MotherDuck Remote MCP Server is now...
- Expanded DuckDB Extension support in the MotherDuck MCP Server: The MotherDuck Remote MCP Server is now compatible with the DuckLake, Spatial, Iceberg, and Delta DuckDB extensions. Read more about using the MotherDuck MCP Server in the documentation .
Cross-Event Querying in Trace Explorer (Beta)
Cross-Event querying allows you to refine your search for spans based on their relationship to other events in a distributed trace.
Tailscale Kubernetes Operator v1.94.1
A new release of the Tailscale Kubernetes Operator is available. For guidance on installing and updating, refer to our installation instructions . New: The Egress proxy can now send traffic to Tailscale service VIPs.
You can configure Direct VPC ingress for Cloud Run worker pools
You can configure Direct VPC ingress for Cloud Run worker pools . When you configure Direct VPC ingress, each worker instance receives a private IP address on your configured network and subnet.
Nova-3 Multilingual Model Update
🌍 Nova-3 Multilingual Improvements We’ve released an updated Nova-3 multilingual model , delivering accuracy improvements across supported languages , with the largest gains in code-switching scenarios .
Claude Opus 4.6 now available in AI Gateway and Agent Runners
Anthropic's Claude Opus 4.6 model is now available through Netlify's AI Gateway and Agent Runners with zero configuration required. Use the Anthropic SDK directly in your Netlify Functions without managing API keys or authentication. The AI Gateway handles everything automatically.
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Prefect 3.6.15 - Simply Authful
Bug Fixes 🐞 Fix PrefectCloudEventsClient auth handshake breaking Cloud connections Cap concurrency limit retry-after to prevent excessive delays from burst traffic
Prefect 3.6.17 - Goodbye, Ghost in the WebSocket
New Features 🎉 Add prefect server status command Enhancements ➕➕ Make PrefectFutureList.result() fail-fast using as_completed Improve CLI connection message for self-hosted server Add replaces field for renaming schedule slugs Add attribution headers to SDK API requests Bug Fixes 🐞 Fix flow timeout not retrying when retries are enabled Fix the flow run...
3.6.14 - A Prefect Server for Every ::1
Enhancements ➕➕ - Support parsing TOML 1.0 on Python 3.11+ - Make runner cancellation observing critical to runner health - Reload root settings after running plugins to enable environment variable updates to take effect - Support IPv6 addresses in prefect server start - Add authentication to /api/events/in WebSocket endpoint Bug Fixes 🐞 - Add polling...
Prefect 3.6.13 - The heartbeat is coming from *inside* the engine
Enhancements ➕➕ - Add FlowRunFilterCreatedBy - Add retry logic for PrefectEventsClient.__aenter__() initial connection Bug Fixes 🐞 - Move flow run heartbeat event emission to flow run engine - Fix websocket cleanup AttributeError in event clients - Add warning when sync task with timeout runs in worker thread - Prevent GitHub token leakage in git error...
Prefect 3.6.18 - The annotation that minds its own business
Enhancements ➕➕ Add opaque annotation to prevent recursive traversal of resolved task inputs Add PREFECT_WORKER_DEBUG_MODE for worker-only debug logging Support DateTimeDelta as interval option in IntervalSchedule Bug Fixes 🐞 Include duration fields in TaskRunResponse Skip lease renewal and release when no concurrency limits exist Fix order-dependent slug...
Prefect 3.6.12 - It's not a feature, it's a bug!
What's Included Enhancements ➕➕ Add httpx.ConnectError to client retry exceptions Bug Fixes 🐞 Add build=False documentation to flow.deploy guide fix: display error details nicely in work-pool create command fix: remove CANCELLED from EnforceCancellingToCancelledTransition to allow retrying cancelled flows Add retry logic to...
Prefect 3.6.19 - This release sucks in the best way possible
This release introduces an optional database vacuum service that periodically deletes old flow runs and orphaned resources (logs, artifacts, artifact collections) to keep your database lean. It's disabled by default , enable it with PREFECT_SERVER_SERVICES_DB_VACUUM_ENABLED=true.
Prefect 3.6.11 - It's my generation, baby
Released on January 15, 2026 This release introduces prefect sdk generate a new CLI command that generates fully-typed, custom Python SDKs from the deployments in your workspace or self-hosted server, making it easy to trigger your deployments from other workflows with confidence. To see how it works, check out the Prefect docs.