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Python 3.14 for Python Workers · Cloud Releases

Providers
Cloudflare
Workers
Update

FeatureSep 8, 2026

Python 3.14 for Python Workers

WorkersCloudflare · Developer platform

Python workers now use Python 3.14 by default.

This change applies to all new Python workers using compatibility date 2026-09-08 or later.

Internally, this change updates the Pyodide runtime to 314.0.6.

Read the original announcement

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