Using AIDA-X 1.1.0 VST3 on Linux
This is how it looks in REAPER 7.11:

In Carla 2.5.8 it shows just a tiny window:

In Ardour it looks like this:

When opening it in Ardour this prints to the console:
assertion failure: "width > 1 && height > 1" in file /home/runner/work/AIDA-X/AIDA-X/modules/dpf/dgl/src/WindowPrivateData.cpp, line 578, v1 382, v2 1