Corona Renderer IR is wrong

[Dimsn555]

works w/o issues on windows10, crn v8 rc3, c4d 25.117  (I just had to localize textures)

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PS
shortcuts are edited/made via "Command Manager"

I didn't see a solution to the problem in this video

[burnin]

Of course not, because that's not C4D app but Corona's VFB (request for a feature) yet still, you can run/call IV, IR or VFB directly

& then use standard:
Esc > Stop rendering
Alt+F4 > Close window   


Finally, there's Cinema's "Interactive Render Region" (Alt+R) which runs in viewport whatever engine you have set (but responds like one lazy mofo).