I've got Amazon S3 configured and working well for the media folder. When I upload through the Media Manager, it shows up in the AWS bucket, and the front end shows the right URL.
However, when I use the same configuration for uploads, it doesn't seem to work. For example going to My Account and trying to upload an avatar will briefly show the image while it uploads (I assume because that part is javascript), but then it shows a broken image icon, and when I look at the details and pull up the URL it shows an AWS URL, but no images are uploaded. I confirmed that, in fact, no image was on AWS. I checked locally and it looks like it saved the file to the local filesystem instead.
Thank you, Josh