I am exporting an image with shadow and there will be white pixelated halo around it. I tried to follow another similar post with the usage of “Show behind transparent areas” but I can’t find it.
Hi there, welcome to the community!
I confirm that the problem you’re facing is related to a long-standing bug. Unfortunately, at this time, we do not have an estimated timeline for a resolution.
About the workaround, you can turn on “Show behind transparent areas” on the drop shadow after clicking on the image. Please see the screenshot below:
(I understand that this is not an ideal solution, but please know that we are actively working on improving our platform and addressing issues like this. We appreciate your understanding and patience as we strive to provide a better experience for our users 
)