Discussed in #340
Problem: The Design Tab is empty and It doesn't allow it to work.
Architecture: Apple Silicon (aarch64)
Screenshot of the issue

Eclipse version: 2022-09 (4.25.0)
Build id: 20220908-1902
WindowBuilder version

There are no error messages.
The same tests on Eclipse x86_64 emulated by Rosseta2 work. Details of the Eclipse x86_64 version:
2022-09 (4.25.0)
Build id: 20220908-1902
Screenshot:

The file which I tested is the following:
hi.txt