prefect 3.6.17 - Goodbye, Ghost in the WebSocket
UpdateUnverifiedAdded Sep 25, 2026
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...
Topics: Governance, Observability, Developer tools
More Prefect releases
Every Prefect release| Date | Release | Type |
|---|---|---|
| Feb 19 | prefect 3.6.18 - The annotation that minds its own businessunverified Update | Update |
| Feb 5 | prefect 3.6.16 - It's Bulking Seasonunverified Update | Update |
| Feb 24 | prefect 3.6.19 - This release sucks in the best way possibleunverified Update | Update |
| Jan 30 | prefect 3.6.15 - Simply Authfulunverified Update | Update |
| Jan 29 | 3.6.14 - A Prefect Server for Every ::1unverified Update | Update |
| Feb 27 | prefect 3.6.20 - new cli, who dis?unverified Update | Update |
| Jan 23 | prefect 3.6.13 - The heartbeat is coming from *inside* the engineunverified Update | Update |
| Mar 5 | prefect 3.6.21 - {"cli": { "speaks_json": true } }unverified Update | Update |
Also shipped on Feb 12, 2026
Prefect in February 2026| Date | Company | Release | Product | Type |
|---|---|---|---|---|
| Feb 12 |  Modal | Modal 1.3.3unverified | Modal | GA |
| Feb 12 | amplitude | GA Versions for the G&S iOS, Android, and React Native SDKsunverified | amplitude | GA |
| Feb 12 | amplitude | Duplicate Guides and Surveys across Platformsunverified | amplitude | GA |
| Feb 12 |  Deepgram | Container Images (release 260212)unverified | Deepgram | Update |
| Feb 12 | Deepgram | This Release Contains The Following Changesunverified | Deepgram | Update |
| Feb 12 |  Cloudflare | Cloudflare WAN - Anycast IPs displayed on the dashboardunverified | Cloudflare developer platform | Update |
Sources: each vendor's own release notes, changelogs and GitHub releases, read daily to monthly by how often it posts. Logos via logo.dev; trademarks belong to their owners.