ST-2026-048 · SDKs, clients & toolchains
Cloudflare Python SDK v5 removes Python 3.8 support
Cloudflare Python SDK v5.0.0 raises the runtime floor to Python 3.9, raises typing-extensions to 4.14 and includes breaking resource changes.
Previous state
Version 4 supported Python 3.8 and earlier dependency and resource contracts.
Current state
Version 5 requires Python 3.9 or later, typing-extensions 4.14 or later and affected code changes.
Affected users
Who needs to care
Python applications upgrading Cloudflare's official SDK.
Required response
What to do
Upgrade the runtime and dependencies, review changed resources and test generated types before adoption.
Evidence boundary
What the source does not prove
The source establishes the v5 compatibility floor and named breaking changes, not removal of Python 3.8 support from Cloudflare services generally.
Lifecycle history
Dated event sequence
- v5 released
Python 3.9 became the minimum supported runtime.
Evidence ledger
First-party sources
- 01Cloudflare Developers — Cloudflare Python SDK v5.0.0
Official SDK changelog · 2026-04-30
Open official source ↗