Posting, properly.

You can start a new topic without leaving the reader, upload photos straight
from a reply or insert them from your gallery, and @mentions now work on every
path rather than only after a full page load. Quotes keep their attribution,
drafts can be discarded, and your notifications open in place instead of costing
a page load.

Photos are stripped of EXIF metadata - GPS coordinates, camera serial numbers -
on your own machine before anything is uploaded. HEIC files are refused rather
than uploaded broken, since no browser can decode them to clean them.

Activity is grouped by date again, with Condensed/Expanded, Sort and Time Period
filters, an Unread link and Mark site read.

Known limitation: if your session expires, the site answers with the same status
code it uses for rate limiting, and the reader currently treats the two alike -
so it may wait out a cooldown when the real answer is "sign in a