This morning I've sent a couple of images to render on another machine, and the frame buffer isn't showing any preview of the render (I understand that it won't display it in the Corona VFB, but even the Max frame buffer is blank). Shows a black image, with a small square of grey in the top left corner (see attached).
The eventual render output (a CXR and some Tiffs for posterity) were all totally fine and looked exactly as expected...
Just opened a different scene, sent that to Backburner and had the same thing happen - any thoughts?
I've been using Corona with backburner for several years and never had this issue previously.