User blog comment:DaNASCAT/Technical Update: March 27, 2017/@comment-5558012-20170327214216

As for right rail clutter, removing the Chat module is going to hardly be noticeable in terms of space. It makes more sense to remove "Trending Fandom Articles" given the new footer (or come up with a way not to show it on pages that are shorter than the rail itself).

I'm assuming account creation will still appear in Special:Log.