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.
You are out of luck - on EW they mentioned v1.1 (q1/q2 break) as "minor release" and v2 (positioned mid year) w/ Cube support. Let's hope, those dates will be kept...