> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## 5.14.20 **`(chore):`** Bump the Python SDK generator container's base image from `python:3.13.7-slim` to `python:3.13.14-slim` to pull in CPython security fixes, clearing CVE-2025-13836, CVE-2026-3644, and CVE-2026-4224 (plus several lower-severity CPython advisories).