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PlatformIO v6.1.19 Release Notes

Release Date: 2026-02-04 // 4 months ago
    • ➕ Added support for Python 3.14
    • ⬆️ Upgraded the Doctest testing framework to version 2.4.12, the GoogleTest to version 1.17.0, and the Unity to version 2.6.1, incorporating the latest features and improvements for enhanced testing capabilities
    • ✨ Enhanced compatibility with the CCLS language server, improving integration with editors like Emacs, Sublime Text, and Vim (issue #5186)
    • 👌 Improved error messages for package installation to make it easier to understand when a package is missing or incompatible (pull #5336).
    • ✅ Fixed a regression issue where custom build flags were not properly reflected in the compile_commands.json file, ensuring accurate compilation database generation
    • 🛠 Fixed an issue where fully-qualified serial port URLs (e.g., rfc2217://host:port) were incorrectly treated as wildcard patterns (issue #5225)
    • 🛠 Fixed an issue where the toolchain path in static analysis was not handled correctly if it contained spaces (pull #5351)
    • 🛠 Fixed installation failure when the executable path contains spaces for postinstall scripts and handling both list and string command formats (pull #5366)
    • ✅ Fixed cleanup of the .pio/libdeps folder so that leftover libraries are properly removed when the lib_deps option is empty (issue #5110)

Previous changes from v6.1.18

    • ✅ Resolved a regression issue that prevented PIO Home from opening external links (issue #5084)