What's that subtle rainbow in some of my previews?

Some of my frames are exporting with extra background space because of this weird rainbow outline. I don’t think it’s related to the drop shadow because many of my frames include one, but only some have this issue. Any help would be appreciated!

Screenshot 2023-12-19 at 8.58.25 AM|690x438

Hey Dana, sorry to hear this is happening!

It’s hard to be sure from the screenshot alone. Please reach out to the support team directly via this form for help: https://help.figma.com/hc/en-us/requests/new

Be sure to use your Figma account email, include a link to the file, and share it with support-share@figma.com, so we can take a closer look.