…future

- improved generic_create_variant.py to not mess with official board variant configurations (only touch if board_build.variant value is prefixed with MARLIN_)

…ard)

…e STM32 framework (it is excluded by default) [chitu_f103 fix]

…32 to fix compilation issues on the latest Espressif toolchains

When the PR luc-github/ESP3DLib#51 has been merged then please change it back!

- (temporarily) updated the "ESP Async WebServer" dependency for MKS TinyBee / ESP32 to fix compilation issues on the latest Espressif toolchains

Please watch PR me-no-dev/ESPAsyncWebServer#1142 and change back once merged.

- fixed another ESP32 bug due to toolchain update

…uilding again (shell passthrough special characters)

…spressif32 (please fix dependency once 2.0.7 of that package is out on PlatformIO registry!)

…tions

Please check PR rhapsodyv/Arduino_Core_STM32#1 and if @rhapsodyv has merged then adjust the dependency to an official one!

…moving Marlin internals out of variants-headers and making them optional (new platdefs STM32 HAL folder for Marlin specific board specializations + _STM32_PLATDEFS define)

@ellensp said that PINS_DEBUGGING support should be rewritten in another PR; I agree but this is a necessity to unbreak compilation + PINS_DEBUGGING is not a release feature so don't obstruct progress, please!

…t is a bad idea to rely on such internal thus adjusted some things.

…x that was previously allowed due to compiler-forgiveness

…uino Core bugfix fork with further fixes related to the newer GCC compiler that reported them

… bugfix-2.1.x-tcupdate

- reverted a small change due to causing unnecessary compiler preprocessor redefinition warnings