Platformio Core Versions Save

• Added a new enable_proxy_strict_ssl setting to disable the proxy server certificate verification (issue #4432)
• Documented PlatformIO Core Proxy Configuration
• Speeded up device port finder by avoiding loading board HWIDs from development platforms
• Improved caching of build metadata in debug mode
• Fixed an issue when pio pkg install --storage-dir command requires PlatformIO project (issue #4410)

• Added support for accepting the original FileNode environment in a "callback" function when using Build Middlewares (pull #4380)
• Improved device port finder when using dual channel UART converter (issue #4367)
• Improved project dependency resolving when using the pio project init --ide command
• Upgraded build engine to the SCons 4.4.0 (release notes)
• Keep custom "unwantedRecommendations" when generating projects for VSCode (issue #4383)
• Do not resolve project dependencies for the cleanall target (issue #4344)
• Warn about calling "env.BuildSources" in a POST-type script (issue #4385)
• Fixed an issue when escaping macros/defines for IDE integration (issue #4360)
• Fixed an issue when the "cleanall" target removes dependencies from all working environments (issue #4386)

• Fixed a regression bug when opening device monitor without any filters (issue #4363)

• Export a PIO_UNIT_TESTING macro to the project source files and dependent libraries in the Unit Testing mode
• Improved detection of Windows architecture (issue #4353)
• Warn about unknown device monitor filters (issue #4362)
• Fixed a regression bug when libArchive option declared in the library.json manifest was ignored (issue #4351)
• Fixed an issue when the pio pkg publish command didn't work with Python 3.6 (issue #4352)

• Added new monitor_encoding project configuration option to configure Device Monitor (issue #4350)
• Allowed specifying project environments for pio ci command (issue #4347)
• Show "TimeoutError" only in the verbose mode when can not find a serial port
• Fixed an issue when a serial port was not automatically detected if the board has predefined HWIDs
• Fixed an issue with endless scanning of project dependencies (issue #4349)
• Fixed an issue with LDF when incompatible libraries were used for the working project environment with the missed framework (pull #4346)

• Device Manager

  • Automatically reconnect device monitor if a connection fails
  • Added new pio device monitor --no-reconnect option to disable automatic reconnection
  • Handle device monitor disconnects more gracefully (issue #3939)
  • Improved a serial port finder for Black Magic Probe (issue #4023)
  • Improved a serial port finder for a board with predefined HWIDs
  • Replaced monitor_flags with independent project configuration options: monitor_parity, monitor_eol, monitor_raw, monitor_echo
  • Fixed an issue when the monitor filters were not applied in their order (issue #4320)

• Unit Testing

  • Updated "Getting Started" documentation for GoogleTest testing and mocking framework
  • Export Unit Testing flags only to the project build environment (projenv, files in "src" folder)
  • Merged the "building" stage with "uploading" for the embedded target (issue #4307)
  • Do not resolve dependencies from the project "src" folder when the test_build_src option is not enabled
  • Do not immediately terminate a testing program when results are received
  • Fixed an issue when a custom pio test --project-config was not handled properly (issue #4299)
  • Fixed an issue when testing results were wrong in the verbose mode (issue #4336)

• Build System

  • Significantly improved support for Pre & Post Actions
    • Allowed to declare actions in the PRE-type scripts even if the target is not ready yet
    • Allowed library maintainers to use Pre & Post Actions in the library extraScript
  • Documented Stringification – converting a macro argument into a string constant (issue #4310)
  • Added new pio run --monitor-port option to specify custom device monitor port to the monitor target (issue #4337)
  • Added env.StringifyMacro(value) helper function for the Advanced Scripting
  • Allowed to Import("projenv") in a library extra script (issue #4305)
  • Fixed an issue when the build_unflags operation ignores a flag value (issue #4309)
  • Fixed an issue when the build_unflags option was not applied to the ASPPFLAGS scope
  • Fixed an issue on Windows OS when flags were wrapped to the temporary file while generating the Compilation database "compile_commands.json"
  • Fixed an issue with the LDF when recursively scanning dependencies in the chain mode
  • Fixed a "PermissionError" on Windows when running "clean" or "cleanall" targets (issue #4331)

• Package Management

  • Fixed an issue when library dependencies were installed for the incompatible project environment (issue #4338)

• Miscellaneous

  • Warn about incompatible Bash version for the Shell Completion (issue #4326)

• Control Unit Testing verbosity with a new multilevel pio test -v command option (issue #4276)
• Follow symbolic links during searching for the unit test suites (issue #4288)
• Show a warning when testing an empty project without a test suite (issue #4278)
• Improved support for Asking for input (prompts)
• Fixed an issue when the build_src_flags option was applied outside the project scope (issue #4277)
• Fixed an issue with debugging assembly files without preprocessor (".s")

• Improved support for the renamed configuration options (issue #4270)
• Fixed an issue when calling the built-in pio device monitor filters
• Fixed an issue when using Interpolation of Values and merging str+int options (issue #4271)

A professional collaborative platform for declarative, safety-critical, and test-driven embedded development.

Please check the Migration guide from 5.x to 6.0.

• Package Management

  • New unified Package Management CLI (pio pkg):

    • pio pkg exec - run command from package tool (issue #4163)
    • pio pkg install - install the project dependencies or custom packages
    • pio pkg list - list installed packages
    • pio pkg outdated - check for project outdated packages
    • pio pkg search - search for packages
    • pio pkg show - show package information
    • pio pkg uninstall - uninstall the project dependencies or custom packages
    • pio pkg update - update the project dependencies or custom packages

  • Package Manifest

    • Added support for "scripts" (issue #485)
    • Added support for multi-licensed packages using SPDX Expressions (issue #4037)
    • Added support for "dependencies" declared in a "tool" package manifest

  • Added support for symbolic links allowing pointing the local source folder to the Package Manager (issue #3348)

  • Automatically install dependencies of the local (private) project libraries (issue #2910)

  • Improved detection of a package type from the tarball archive (issue #3828)

  • Ignore files according to the patterns declared in ".gitignore" when using the pio package pack command (issue #4188)

  • Dropped automatic updates of global libraries and development platforms (issue #4179)

  • Dropped support for the "pythonPackages" field in "platform.json" manifest in favor of Extra Python Dependencies

  • Fixed an issue when manually removed dependencies from the "platformio.ini" configuration file were not uninstalled from the storage (issue #3076)

• Unit Testing

  • Refactored from scratch Unit Testing solution and its documentation
  • New: Test Hierarchy (issue #4135)
  • New: Doctest testing framework (issue #4240)
  • New: GoogleTest testing and mocking framework (issue #3572)
  • New: Semihosting (issue #3516)
  • New: Hardware Simulators for Unit Testing (QEMU, Renode, SimAVR, and custom solutions)
  • New: test build configuration
  • Added support for a custom testing framework
  • Added support for a custom testing command
  • Added support for a custom Unity library (issue #3980)
  • Added support for the socket:// and rfc2217:// protocols using test_port option (issue #4229)
  • List available project tests with a new pio test --list-tests option
  • Pass extra arguments to the testing program with a new pio test --program-arg option (issue #3132)
  • Generate reports in JUnit and JSON formats using the pio test command (issue #2891)
  • Provide more information when the native program crashed on a host (errored with a non-zero return code) (issue #3429)
  • Improved automatic detection of a testing serial port (issue #4076)
  • Fixed an issue when command line parameters (--ignore, --filter) do not override values defined in the "platformio.ini" configuration file (issue #3845)
  • Renamed the "test_build_project_src" project configuration option to the test_build_src
  • Removed the "test_transport" option in favor of the Custom "unity_config.h"

• Static Code Analysis

  • Updated analysis tools:

    • Cppcheck v2.7 with various checker improvements and fixed false positives
    • PVS-Studio v7.18 with improved and updated semantic analysis system

  • Added support for the custom Clang-Tidy configuration file (issue #4186)

  • Added ability to override a tool version using the platform_packages option (issue #3798)

  • Fixed an issue with improper handling of defects that don't specify a source file (issue #4237)

• Build System

  • Show project dependency licenses when building in the verbose mode
  • Fixed an issue when LDF ignores the project lib_deps while resolving library dependencies (issue #3598)
  • Fixed an issue with calling an extra script located outside a project (issue #4220)
  • Fixed an issue when GCC preprocessor was applied to the ".s" assembly files on case-sensitive OS such as Window OS (issue #3917)
  • Fixed an issue when LDF ignores build_src_flags in the "deep+" mode (issue #4253)

• Integration

  • Added a new build variable (COMPILATIONDB_INCLUDE_TOOLCHAIN) to include toolchain paths in the compilation database (issue #3735)
  • Changed a default path for compilation database compile_commands.json to the project root
  • Enhanced integration for Qt Creator (issue #3046)

• Project Configuration

  • Extended Interpolation of Values with ${this} pattern (issue #3953)
  • Embed environment name of the current section in the "platformio.ini" configuration file using ${this.__env__} pattern
  • Renamed the "src_build_flags" project configuration option to the build_src_flags
  • Renamed the "src_filter" project configuration option to the build_src_filter

• Miscellaneous

  • Pass extra arguments to the native program with a new pio run --program-arg option (issue #4246)
  • Improved PIO Remote setup on credit-card sized computers (Raspberry Pi, BeagleBon, etc) (issue #3865)
  • Finally removed all tracks to the Python 2.7, the Python 3.6 is the minimum supported version.

• Improved support for private packages in PlatformIO Registry
• Improved checking of available Internet connection for IPv6-only workstations (pull #4151)
• Better detecting of default PlatformIO project directory on Linux OS (pull #4158)
• Respect disabling debugging server from "platformio.ini" passing an empty value to the debug_server option
• Fixed a "module 'asyncio' has no attribute 'run'" error when launching PIO Home using Python 3.6 (issue #4169)