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.
maybe you could provide more details e,g, which nucleo model, which OS on your computer etc, on my setup nucleof042 and 446 on osx works on first plugin