One Universal Purchase in the App Store for iPhone, iPad, and Mac
Automatic iCloud sync of StopTheMadness Pro settings between all of your devices
Platform-specific settings, so you can have different settings on iPhone, iPad, or Mac while still using iCloud sync
Presets: Easily assign the same specific website options to multiple websites
Customize the list of query tracking parameters automatically removed from URLs, including URL domain-specific removal
Run custom JavaScript snippets. These snippets can replace your bookmarklets.
Hide Page Elements: New global list separate from the custom CSS option, so you can hide web page elements without creating new website options
Stop websites from overwriting your system clipboard
Stop websites from altering your browsing history
Stop websites from hiding vertical scrollbars
Stop websites from disabling text replacements
Stop websites from overriding control-key shortcuts
Set custom cookies on websites
Stop web animations
Tab Rules enhance and replace New Tab Behavior
Copy Link URL and Copy Link Title copy the document URL and title if you're not hovering over a link
Automatically select YouTube video subtitles
Automatically toggle off the YouTube autoplay button
Show the concealed password in password fields
Add your own private comments to website options
Many other improvements!
Mac-specific:
Contextual menu item to Hide Page Elements
New option to open URLs in a non-private window in Web Rules and Tab Rules
Hide "We'd like to send you some notifications" banners on many websites
iOS-specific:
View and edit web page HTML
Dynamic Type support
Import and export settings files with the Files app