5.2.5

• 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)

5.2.4

• Added support for a new headers field in library.json (declare a list of header files that can be included in a project source files using #include <...> directive)
• Improved tab completion support for Bash, ZSH, and Fish shells (issue #4114)
• Improved support for projects located on a network share (issue #3417, issue #3926, issue #4099)
• Improved PIO Remote setup on credit-card sized computers (Raspberry Pi, BeagleBon, etc) (issue #3865)
• Upgraded build engine to the SCons 4.3 (release notes)
• Fixed an issue with the CLion project generator when a macro contains a space (issue #4102)
• Fixed an issue with the NetBeans project generator when the path to PlatformIO contains a space (issue #4096)
• Fixed an issue when the system environment variable does not override a project configuration option (issue #4125)
• Fixed an issue when referencing *_dir option from a custom project configuration environment (issue #4110)
• Fixed an issue with the CLion template that generated a broken CMake file if user's home directory contained an unescaped backslash (issue #4071)
• Fixed an issue with wrong detecting Windows architecture when Python 32bit is used (issue #4134)

5.2.3

• Automatically synchronize active projects between IDE and PlatformIO Home
• Added support for custom device monitor filters (issue #3924)
• Show human-readable message when infinite recursion is detected while processing Interpolation of Values (issue #3883)
• Improved directory interpolation (${platformio.***_dir}) in "platformio.ini" configuration file (issue #3934)
• Ignore resolving of SCons variables (e.g., ${(SOURCE.get_abspath())}) when preprocessing interpolations (issue #3933)
• Added "inc" as a sign that it's the root of the library (issue #4093)
• Fixed an issue when the $PROJECT_DIR variable was not properly replaced in the debug_server option (issue #4086)
• Fixed an issue when PIO Remote device monitor crashes on the first keypress (issue #3832)
• Fixed "Do not know how to make File target 'debug'" issue when debugging project using CLion IDE (pull #4089)
• Fixed "UnicodeEncodeError" when a build output contains non-ASCII characters (issue #3971)
• Fixed an issue when VSCode's debugger does not the honor default environment (issue #4098)

5.2.2

• Override debugging firmware loading mode using --load-mode option for pio debug command
• Added support for CLion IDE 2021.3 (pull #4085)
• Removed debugging "legacy Click" message from CLI (issue #4083)
• Fixed a "TypeError: sequence item 1: expected str instance, list found" issue when extending configuration option in "platformio.ini" with the multi-line default value (issue #4082)

5.2.1

• Clean a build environment and installed library dependencies using a new cleanall target (issue #4062)
• Override a default library builder via a new builder field in a build group of library.json manifest (issue #3957)
• Updated Cppcheck v2.6 with new checks, increased reliability of advanced addons (MISRA/CERT) and various improvements
• Handle the "test" folder as a part of CLion project (issue #4005)
• Improved handling of a library root based on "Conan" or "CMake" build systems (issue #3887)
• Fixed a "KeyError: Invalid board option 'build.cpu'" when using a precompiled library with a board that does not have a CPU field in the manifest (issue #4056)
• Fixed a "FileExist" error when the platformio ci command is used in pair with the --keep-build-dir option (issue #4011)
• Fixed an issue with draft values of C++ language standards that broke static analysis via Cppcheck (issue #3944)

5.2.0

• 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)

• Package Management

  • Improved a package publishing process:

    • Show package details
    • Check for conflicting names in the PlatformIO Trusted Registry
    • Check for duplicates and used version
    • Validate package manifest

  • Added a new option --non-interactive to pio package publish command

• Build System

  • Process "precompiled" and "ldflags" properties of the "library.properties" manifest (issue #3994)
  • Upgraded build engine to the SCons 4.2 (release notes)
  • Fixed an issue with broken binary file extension when a custom PROGNAME contains dot symbols (issue #3906)
  • Fixed an issue when PlatformIO archives a library that does not contain C/C++ source files (issue #4019)

• Static Code Analysis

  • Updated analysis tools:

    • Clang-Tidy v12.0.1 with new modules and extended checks list
    • Cppcheck v2.5.0 with improved code analysis and MISRA improvements
    • PVS-Studio v7.14 with support for intermodular analysis, improved MISRA support and new diagnostics

• 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)

5.1.1

• 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

• 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

• 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

• 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)