Python: Security Updates and Documentation Improvements
Python developers merged 20 pull requests focusing on security fixes, including Expat library upgrades and UTF-8 encoding improvements. Documentation updates improved availability information for the select module across multiple Python versions.
Duration: PT2M8S
Episode overview
This episode is a short developer briefing from Python.
It explains recent repository work in plain language.
- Show: Python
- Published: 2026-05-15T10:02:22Z
- Audio duration: PT2M8S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Good morning, this is your Python developer briefing for May 15th, 2026.
Seth Larson merged a critical security fix for UTF-8 support in JavaScript output functions, replacing the latin-1 limited atob() function with decodeURIComponent() for proper UTF-8 handling. This change affects the http.cookies module and includes comprehensive browser compatibility back to Internet Explorer 5.5.
The Python team pushed through two major Expat library security updates. Stan Ulbrych upgraded the bundled Expat XML parser from version 2.8.0 to 2.8.1, addressing security vulnerabilities across multiple Python versions including 3.13, 3.14, and 3.15 branches.
Zachary Ware updated Windows builds to use Tcl/Tk version 9.0.3, improving GUI framework support and adding new test coverage for TCL functionality.
Petr Viktorin fixed documentation rendering issues in compound statements by correcting broken grammar rule links that were displaying raw exclamation marks instead of proper references.
The team made significant documentation improvements to the select module. Sobolevn enhanced availability documentation across Python 3.13, 3.14, and 3.15, clarifying platform-specific function support with over 135…
Nearby episodes from Python
- Performance Optimizations and Security Fixes
- Security Fix and OpenSSL Updates
- Weekly Recap - Free-Threading Stability & Platform Compatibility
- Cygwin Compatibility and Security Updates
- Security Patches and Site Module Fix
- Library Cleanup and Performance Improvements
- Threading Safety and Email Parser Fixes
- Security Fixes and Site Module Updates