Not really worried about compatibility with PAE atm, no other implementations support these.

PAE-02 Hashtag Subscriptions
PAE-03 Disable Comments
PAE-04 Places
PAE-05 Collections
PAE-06 Stories

I know that can change though, so I look forward to working with other projects if they decide to support these!

There is a PAE for attribution, and exif data too!

Lots of exciting improvements on the horizon! #pixelfed #pae