The latest version integrates thread/board watcher into the left side of the window. It lets you follow boards or individual threads and see updates that happen in them (new or bumped threads in boards, and new posts in threads). You can also drag to reorganize the list however you want.
Other features include but are not limited to:
- loading the catalog of multiple boards at the same time, color coding threads from different boards, and auto-updating the catalog with all of them. This remembers all your filters and such and is generally more consistent with normal catalog pages and will never miss a thread, unlike nerve center.
- visual indicators in catalog to show which threads have been bumped and which are new since you last loaded that catalog. Hovering over or clicking (respectively) removes the indicators, there's also buttons to unmark all of them.
- much more sophisticated post filtering/highlighting, although there's no UI for them so you have to edit them in the source code for now.
- more informative relative timestamps, reply links, browser tab notifications for new posts/threads/(you)s, thread statistics (bottom right of threads(now in a console bar at top))
- a genyoutube link is added to youtube links/embeds, to make video downloading easier
- a menu window that lets you load information from certain other pages (board list etc) without needing to open it in a separate browser tab, and has links to the board log and such
- significantly cleaned up visual look, though I acknowledge that some of it is just my opinion
- horizontal posting, fits thin posts side by side to fit more posts on screen (you can easily disable it from the bottom of the CSS file)
- ability to rename files before posting, includes a randomize button that puts a random number as the name
- image options button, includes saucenao and other image search links and a way to open...
- ...a video player that plays webms/mp4s from the current page and automatically switches to the next one when the current one finishes
- automatic password rotation (without hindering the ability to delete posts), to make it harder to associate your posts with one another
- post form tells you if your post contains too many images, too big filesize, too long body, etc, and tells you what the limits are. Bypass captcha appears on the post form rather than an annoying popup as well
- categorization and easy editing of favorited boards (click the icon next to the board list, to create category add "-" beside the name)
- "official" support of a light gray and dark themes (dark theme may be less polished)
- and of course the feature that started it all; a console where you can type text commands, though it has less utility than it used to. See the /mage/ dev thread for a list of commands.
To be honest I haven't used 8chan in it's default form in so long that I'm not sure what I've added and changed compared to it as time went by. A lot of the features can be configured/disabled at the beginning of the script or the bottom of the CSS file.