Development tools for Zephyr on STM32Workbench for Zephyr: VS Code extension to set up, build, flash and debug Zephyr applications on STM32.Devicetree manager: browse, edit and visualize Zephyr devicetree, STM32CubeMX-like for Zephyr.
Could you try by replacing MSYS1 stuff from the make folder by some other from MSYS2 ?
Sure - but what "MSYS1 stuff", exactly, would I be removing - and what "other from MSYS2" stuff, exactly, would I be replacing it with? And from where?