PlatformIO Core Releases

Latest: 6.2.0 · 5 Sep 2026 - Dropped support for Python 3.6, 3.7 and 3.8, requiring Python 3.9 or newer to run PlatformIO Core ( issue #5414 ) Removed support for static code analysis via PVS-Studio following its deprecation by the vendor ( pull #5360 ) Added a new -p, --port option to the pio run command, allowing users to set both upload_port and monitor_port simultaneously for a more streamlined workflow ( pull #5429 ) Added an option to disable the 99-platformio-udev.rules check, providing greater flexibility in environments where system-level udev configuration is not required ( pull #5204 ) Introduced the PLATFORMIO_DISABLE_UPGRADE_CHECK environment variable, allowing users to disable upgrade availability checks when needed ( pull #5428 ) Upgraded the build engine to the latest version of SCons (4.11.1) to improve build performance, reliability, and compatibility with other tools and systems ( release notes ) Increased the maximum length of dependency version specifications to support long package URLs in project manifests ( issue #5459 ) Handled Windows path length limitations during package extraction by raising a descriptive error with instructions to enable long paths when a "FileNotFoundError" occurs ( issue #5500 ) Omitted skipped environments and test suites from the Unit Testing summary output when filtering with -e or -f options ( issue #5402 ) Fixed an issue that could cause an infinite retry loop when a cached package mirror redirect repeatedly failed ( pull #5435 ) Fixed an issue where the library integrity metadata was not invalidated after correcting invalid version requirements ( issue #5232 ) Fixed an issue where Unit Testing failed on Windows due to improper handling of Serial.end() ( issue #5359 ) Fixed an issue with floating-point precision in duration formatting that caused incorrect millisecond reporting ( issue #5424 ) Fixed an issue where the test suite status was incorrectly hardcoded as PASSED ( issue #5183 ) Fixed an issue where using a relative path with the -d, --project-dir option caused pio device monitor to fail with a "FileNotFoundError" ( pull #5470 ) Fixed compatibility with pipx - and uvx -managed environments by ensuring the required pip dependency is available when installing Python-based tool packages ( issue #5305 ) Fixed an issue where debug flags with level specifications (such as -g2 ) were passed to the standalone assembler, causing fatal compilation errors on .s files ( issue #5005 ) Fixed a security vulnerability where ZIP archives containing relative path traversal entries (e.g., ../ ) could alter permissions or timestamps of files outside the destination directory ( pull #5499 ) Fixed an unhandled termios exception when running pio device monitor with redirected or non-TTY stdin , replacing the traceback with a clear user error ( pull #5503 ) Fixed an issue with improper static analysis report if project is analyzed in verbose mode ( issue #4943 ) Fixed an issue where the test framework library was unintentionally removed from the project dependencies when building a project outside of testing mode ( issue #5388 ) Fixed an issue where relative header paths provided via -include build flags were not resolved to absolute paths in c_cpp_properties.json , causing IntelliSense errors ( issue #5449 )