Can't upload Preview Content PNG

[steveph (Steve)]

Description
When attempting to upload a PNG with the required specifications (1200px by 780px), I get a ‘Upload Failed,try again’ error message.

Error
I can see that I receive a 403 from the POST to https://zoom-marketplace-apps.s3.amazonaws.com/.

Which App Type (OAuth / Chatbot / JWT / Webhook)?
OAuth

Screenshots (If applicable)

[steveph (Steve)]

Was able to upload successfully after converting image to JPG.

[tommy (Tommy Gaessler)]

Hey @steveph,

Glad you were able to upload the image!

Thanks,
Tommy