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.
Brilliant, thanks for the feedback! I think I'm using JDK12 at home, which might explain the problem. I'll try swapping for JDK8 (and hope I don't break everything else!) and see if that fixes things.