Keeps you on the "Latest Tweets" (chronological) timeline, automatically switching you back if time Twitter tries to move you to the "Home" (algorithmic) timeline
Hide "Who to follow" / "Follow some Topics" etc. sections in the timeline
Hide "What's happening" / "Topics to follow" etc. in the sidebar
Hide "More Tweets" when linked to a tweet
Control which tweets shared by people you follow appear on your timeline
Move Retweets to a separate timeline (default setting), or hide them entirely
Move Quote Tweets and replies to them to a separate timeline, or hide them entirely (off by default)
UI improvements
Use the site's normal text font style in the primary navigation menu to make it less distracting
Fast blocking - skips the confir dialog when you try to block someone
When viewing a tweet's Quote Tweets, pin the quoted tweet instead of duplicating it in every tweet
Hide any navigation items you don't use, such as the Explore, Bookmarks and Links navigation items, the account switcher, and the Messages drawer