• 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)