Release Notes

PlatformIO Core 5

A professional collaborative platform for embedded development

5.2.0 (2021-??-??)

• PlatformIO Debugging
  • Boosted PlatformIO Debugging performance thanks to migrating the codebase to the pure Python 3 Asynchronous I/O stack
  • Debug unit tests created with PlatformIO Unit Testing solution (issue #948)
  • Debug native (desktop) applications on a host machine (issue #980)
  • Support debugging on Windows using Windows CMD/CLI (pio debug) (issue #3793)
  • Configure a custom pattern to determine when debugging server is started with a new debug_server_ready_pattern option
  • Fixed an issue with silent hanging when a custom debug server is not found (issue #3756)
• Static Code Analysis
  • Updated analysis tools:
    • Cppcheck v2.4.1 with new checks and MISRA improvements
    • PVS-Studio v7.12 with new diagnostics and extended capabilities for security and safety standards
• Miscellaneous
  • Ensure that a serial port is ready before running unit tests on a remote target (issue #3742)
  • Fixed an error “Unknown development platform” when running unit tests on a clean machine (issue #3901)
  • Fixed an issue when “main.cpp” was generated for a new project for 8-bit development platforms (issue #3872)
  • Fixed an issue with broken binary file extension when a custom PROGNAME contains dot symbols (issue #3906)

5.1.1 (2021-03-17)

• Fixed a “The command line is too long” issue with a linking process on Windows (issue #3827)
• Fixed an issue with device monitor when the “send_on_enter” filter didn’t send EOL chars (issue #3787)
• Fixed an issue with silent mode when unwanted data is printed to stdout (issue #3837)
• Fixed an issue when code inspection fails with “Bad JSON” (issue #3790)
• Fixed an issue with overriding user-specified debugging configuration information in VSCode (issue #3824)

5.1.0 (2021-01-28)

• 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)

5.0.4 (2020-12-30)

• Added “Core” suffix when showing PlatformIO Core version using pio --version command
• Improved “.ccls” configuration file for Emacs, Vim, and Sublime Text integrations
• Updated analysis tools:
  • Cppcheck v2.3 with improved C++ parser and several new MISRA rules
  • PVS-Studio v7.11 with new diagnostics and updated mass suppression mechanism
• Show a warning message about deprecated support for Python 2 and Python 3.5
• Do not provide “intelliSenseMode” option when generating configuration for VSCode C/C++ extension
• Fixed a “git-sh-setup: file not found” error when installing project dependencies from Git VCS (issue #3740)
• Fixed an issue with package publishing on Windows when Unix permissions are not preserved (issue #3776)

5.0.3 (2020-11-12)

• Added an error selector for Sublime Text build runner (issue #3733)
• Generate a working “projectEnvName” for PlatformIO IDE’s debugger for VSCode
• Force VSCode’s intelliSenseMode to “gcc-x64” when GCC toolchain is used
• Print ignored test suites and environments in the test summary report only in verbose mode (issue #3726)
• Fixed an issue when the package manager tries to install a built-in library from the registry (issue #3662)
• Fixed an issue when pio package pack ignores some folders (issue #3730)

5.0.2 (2020-10-30)

• Initialize a new project or update the existing passing working environment name and its options (issue #3686)
• Automatically build PlatformIO Core extra Python dependencies on a host machine if they are missed in the registry (issue #3700)
• Improved “core.call” RPC for PlatformIO Home (issue #3671)
• Fixed a “PermissionError: [WinError 5]” on Windows when an external repository is used with lib_deps option (issue #3664)
• Fixed a “KeyError: ‘versions’” when dependency does not exist in the registry (issue #3666)
• Fixed an issue with GCC linker when “native” dev-platform is used in pair with library dependencies (issue #3669)
• Fixed an “AssertionError: ensure_dir_exists” when checking library updates from simultaneous subprocesses (issue #3677)
• Fixed an issue when pio package publish command removes original archive after submitting to the registry (issue #3716)
• Fixed an issue when multiple pio lib install command with the same local library results in duplicates in lib_deps (issue #3715)
• Fixed an issue with a “wrong” timestamp in device monitor output using “time” filter (issue #3712)

5.0.1 (2020-09-10)

• Added support for “owner” requirement when declaring dependencies using library.json
• Fixed an issue when using a custom git/ssh package with platform_packages option (issue #3624)
• Fixed an issue with “ImportError: cannot import name ‘_get_backend’ from ‘cryptography.hazmat.backends’” when using Remote Development on RaspberryPi device (issue #3652)
• Fixed an issue when pio package unpublish command crashes (issue #3660)
• Fixed an issue when the package manager tries to install a built-in library from the registry (issue #3662)
• Fixed an issue with incorrect value for C++ language standard in IDE projects when an in-progress language standard is used (issue #3653)
• Fixed an issue with “Invalid simple block (semantic_version)” from library dependency that refs to an external source (repository, ZIP/Tar archives) (issue #3658)
• Fixed an issue when can not remove update or remove external dev-platform using PlatformIO Home (issue #3663)

5.0.0 (2020-09-03)

Please check Migration guide from 4.x to 5.0.

• Integration with the new PlatformIO Trusted Registry
  • Enterprise-grade package storage with high availability (multi replicas)
  • Secure, fast, and reliable global content delivery network (CDN)
  • Universal support for all packages:
    • Libraries
    • Development platforms
    • Toolchains
  • Built-in fine-grained access control (role-based, teams, organizations)
  • New CLI commands:
    • pio package – manage packages in the registry
    • pio access – manage package access for users, teams, and maintainers
• Integration with the new Account Management System
  • Manage organizations
  • Manage teams and team memberships
• New Package Management System
  • Integrated PlatformIO Core with the new PlatformIO Registry
  • Support for owner-based dependency declaration (resolves name conflicts) (issue #1824)
  • Automatically save dependencies to “platformio.ini” when installing using PlatformIO CLI (issue #2964)
  • Follow SemVer complaint version constraints when checking library updates issue #1281)
  • Dropped support for “packageRepositories” section in “platform.json” manifest (please publish packages directly to the registry)
• Build System
  • Upgraded build engine to the SCons 4.0 - a next-generation software construction tool
    • Configuration files are Python scripts – use the power of a real programming language to solve build problems
    • Built-in reliable and automatic dependency analysis
    • Improved support for parallel builds
    • Ability to share built files in a cache to speed up multiple builds
  • New Custom Targets
    • Pre/Post processing based on dependent sources (another target, source file, etc.)
    • Command launcher with own arguments
    • Launch command with custom options declared in “platformio.ini”
    • Python callback as a target (use the power of Python interpreter and PlatformIO Build API)
    • List available project targets (including dev-platform specific and custom targets) with a new pio run –list-targets command (issue #3544)
  • Enable “cyclic reference” for GCC linker only for the embedded dev-platforms (issue #3570)
  • Automatically enable LDF dependency chain+ mode (evaluates C/C++ Preprocessor conditional syntax) for Arduino library when “library.property” has “depends” field (issue #3607)
  • Fixed an issue with improper processing of source files added via multiple Build Middlewares (issue #3531)
  • Fixed an issue with the clean target on Windows when project and build directories are located on different logical drives (issue #3542)
• Project Management
  • Added support for “globstar/**” (recursive) pattern for the different commands and configuration options (pio ci, src_filter, check_patterns, library.json > srcFilter). Python 3.5+ is required
  • Added a new -e, --environment option to pio project init command that helps to update a PlatformIO project using the existing environment
  • Dump build system data intended for IDE extensions/plugins using a new pio project data command
  • Do not generate “.travis.yml” for a new project, let the user have a choice
• Unit Testing
  • Updated PIO Unit Testing support for Mbed framework and added compatibility with Mbed OS 6
  • Fixed an issue when running multiple test environments (issue #3523)
  • Fixed an issue when Unit Testing engine fails with a custom project configuration file (issue #3583)
• Static Code Analysis
  • Updated analysis tools:
    • Cppcheck v2.1 with a new “soundy” analysis option and improved code parser
    • PVS-Studio v7.09 with a new file list analysis mode and an extended list of analysis diagnostics
  • Added Cppcheck package for ARM-based single-board computers (issue #3559)
  • Fixed an issue with PIO Check when a defect with a multiline error message is not reported in verbose mode (issue #3631)
• Miscellaneous
  • Display system-wide information using a new pio system info command (issue #3521)
  • Remove unused data using a new pio system prune command (issue #3522)
  • Show ignored project environments only in the verbose mode (issue #3641)
  • Do not escape compiler arguments in VSCode template on Windows
  • Drop support for Python 2 and 3.5.

PlatformIO Core 4

See PlatformIO Core 4.0 history.

PlatformIO Core 3

See PlatformIO Core 3.0 history.

PlatformIO Core 2

See PlatformIO Core 2.0 history.

PlatformIO Core 1

See PlatformIO Core 1.0 history.

PlatformIO Core Preview

See PlatformIO Core Preview history.