I uploaded an image using Expert search. It took a really long time and kept spinning "processing", so I refreshed the webpage. It kept spinning "processing" for a while (more than a minute), but eventually it spilled out the description of the image.
I tried to ask it specific question about the image, and it returned an error:
We are sorry, this input is not supported. (Invalid Input)
Here is the thread id: hyLp6wIE77hZuuJq7vLbwJKKAzTIFycy
It should not state that input is not supported, and instead it should process my text. It already processed the image.