No specific info about version 2.3. Please visit the main page of Raindrop.io for Safari on Mac Informer.
Safari Prairiefire helps retire old/expired bookmarks from within Safari.
Bookmark Sorter lets you: Alphabetically sort your Safari bookmarks.
Safari Bookmark Exporter lets you export your Safari bookmarks to other browsers
Allows managing and organizing your bookmarks in categories.
Sync and manage browser bookmarks, remove duplicate bookmarks.