Realms Feed doesn't upload screenshots, even after a "success" prompt

The activity feed for my realm doesn't upload the screenshots I add to it, so I can take a photo with the button presented, then when I go to upload the screenshot it doesn't save to the feed, even though it says it worked

Steps to Reproduce:

1. Pause the game inside a realm
2. Click the screenshot button
3. type in a caption or not and hit Share

1. Wait for it to say it uploaded successfully
2. Go to feed and wait indefinitely as the image never appears

Expected Results:
The image should appear on the feed for all players in the realm

Observed Results:
It doesn't