Releasesby Glyphprefect 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...
Also shipped Feb 19, 2026Prefect in February 2026 →
Prisma ORM v7.4: Query Caching & Performance Boost
Prisma ORM v7.4 introduces query caching, partial indexes, and BigInt precision fixes to improve performance under load.
Gemini 3.1 Pro Preview now available in AI Gateway
Google's Gemini 3.1 Pro Preview model is now available through Netlify's AI Gateway with zero configuration required. Use the Google GenAI SDK directly in your Netlify Functions without managing API keys or authentication. The AI Gateway handles everything automatically.
Workload identity federation GA
- Changed: Use workload identity federation ( generally available ) to authenticate Tailscale API requests with federated OIDC workload identities from third-party providers.
Segmentation for Adaptive Logs
Easily manage Adaptive Logs on a per-team basis. Seegmentation to granularly manage Adaptive Logs is now Generally Available. Viewing recommendations, bulk editing, and understand savings impact are now all streamlined into a single-segment specific view.
- Visualizations with Dives: Create interactive visualizations directly in your MotherDuck UI using natural...
- Visualizations with Dives: Create interactive visualizations directly in your MotherDuck UI using natural language. To get started, connect your AI agent (Claude, ChatGPT, Cursor, or any MCP-compatible client) to the MotherDuck MCP Server and ask it to build a Dive.
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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 3.6.17 - 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...
Prefect 3.6.20 - new cli, who dis?
Enhancements ➕➕ Migrate CLI from typer to cyclopts, remove toggle and delegation machinery Route ProcessPoolTaskRunner subprocess events and logs through a single parent queue, improving per-task performance by ~28% in log-heavy workloads Add configurable subprocess message processors to ProcessPoolTaskRunner for custom event/log handling in the parent...
Prefect 3.6.21 - {"cli": { "speaks_json": true } }
Enhancements ➕➕ Add --output json support to flow ls command Fix match_related type hints and add Python examples for DeploymentEventTrigger Support multihost Postgres connection strings in LISTEN/NOTIFY listener Move event trimming from EventPersister to docket-based db_vacuum service Add --output json to task-run ls, work-pool ls, and concurrency-limit ls...
Prefect 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...
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 3.6.22 - Actually, I've got triples of the pending
New Features 🎉 Add Submitting and InfrastructurePending states and emit from BaseWorker Add OS-level resource metric collection to flow run subprocesses Enhancements ➕➕ Add end_time filter support for flow and task runs Use hmac.compare_digest for auth token comparisons Use cyclopts native lazy loading for CLI commands Extend flow_run_logger to accept a...
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...