DanielBoxer

Thanks for letting me know about this! It seems there were some breaking changes to the Blender API in 4.0. I'll be able to fix this on the weekend, but...

The unknown error is when the engine process has a return code that isn't handled. What kind of mesh are you trying to unwrap? Did unwrapping a cube also give...

That's strange, I can't seem to get the unknown error. After changing the shader to "UNIFORM_COLOR" like you did, it worked for me on 4.0.1. Maybe there's something else going...

I'll see if I can compile it, but I don't have a Mac so it might not work. If I can't, maybe I could send it to you or someone...

Hey, glad to hear you find the add-on useful! The timeout option is a good idea, I'll add this later when I have more time.

Awesome ideas! I'll add these pretty soon