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.
I know that it is required but installation process is bugged (codeside) which leads to situation like this. I hope I pinned out problem completly and dev team will have easy job on fixing it.