prefect 3.5.0 - ๐ The Exorcism of Python 3.9 ๐ป
UpdateUnverifiedAdded Sep 25, 2026
Released on October 31, 2025 With the removal of Python 3.9 support, Prefect now requires Python 3.10 or later. This means you can finally say goodbye to from __future__ import annotations in your workflow code, native type annotations are now standard!
Topics: Observability, Developer tools
More Prefect releases
Every Prefect release| Date | Release | Type |
|---|---|---|
| Nov 7 | prefect 3.6.0unverified Update | Update |
| Oct 23 | prefect 3.4.25 - A slice of ฯ-thonunverified Update | Update |
| Nov 10 | prefect 3.6.1 - Pop, Lock it, Docketunverified Update | Update |
| Nov 14 | prefect 3.6.2 - The Missing Linkunverified Update | Update |
| Oct 16 | prefect 3.4.24 - The Un-Crasheningunverified Update | Update |
| Oct 15 | prefect 2.20.23 - The Enrichment Programunverified Update | Update |
| Nov 19 | prefect 3.6.3 - That's JSON Bourneunverified Update | Update |
| Nov 21 | prefect 3.6.4 - No Deployment Left Unparametrizedunverified Update | Update |
Also shipped on Oct 31, 2025
Prefect in October 2025| Date | Company | Release | Product | Type |
|---|---|---|---|---|
| Oct 31 |  Neon | Snapshots in Beta, Postgres 18 extensions, AI-ready prompts, and more release - Oct 31, 2025unverified | Neon | Beta |
| Oct 31 |  Sigma Computing | What's new in Sigmaunverified | Sigma | Beta |
| Oct 31 | braintrust | September 2025unverified | braintrust | Preview |
| Oct 31 |  Cloudflare | Security Center - Report logo misuse to Cloudflare directly from the Brand Protection dashboardunverified | Cloudflare developer platform | Update |
| Oct 31 | Cloudflare | Workers, Durable Objects, Browser Run - Workers WebSocket message size limit increased from 1 MiB to 32 MiBunverified | Cloudflare developer platform | Update |
| Oct 31 | Cloudflare | Workflows, Workers - Increased Workflows instance and concurrency limitsunverified | 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.