• PlatformIO Home
  • Boosted PlatformIO Home performance thanks to migrating the codebase to the pure Python 3 Asynchronous I/O stack
  • Added a new --session-id option to pio home command that helps to keep PlatformIO Home isolated from other instances and protect from 3rd party access (issue #3397)
• Build System
  • Upgraded build engine to the SCons 4.1 (release notes)
  • Refactored a workaround for a maximum command line character limitation (issue #3792)
  • Fixed an issue with Python 3.8+ on Windows when a network drive is used (issue #3417)
• Package Management
  • New options for pio system prune command:
    • --dry-run option to show data that will be removed
    • --core-packages option to remove unnecessary core packages
    • --platform-packages option to remove unnecessary development platform packages (issue #923)
  • Added new check_prune_system_threshold setting
  • Disabled automatic removal of unnecessary development platform packages (issue #3708, issue #3770)
  • Fixed an issue when unnecessary packages were removed in update --dry-run mode (issue #3809)
  • Fixed a "ValueError: Invalid simple block" when uninstalling a package with a custom name and external source (issue #3816)
• Debugging
  • Configure a custom debug adapter speed using a new debug_speed option (issue #3799)
  • Handle debugging server's "ready_pattern" in "stderr" output
• Miscellaneous
  • Improved listing of multicast DNS services
  • Fixed a "UnicodeDecodeError: 'utf-8' codec can't decode byte" when using J-Link for firmware uploading on Linux (issue #3804)
  • Fixed an issue with a compiler driver for ".ccls" language server (issue #3808)
  • Fixed an issue when pio device monitor --eol and "send_on_enter" filter do not work properly (issue #3787)