Adds an option to bookmark all open tabs. ($35 new, free update, 10.6 MB)
Adds the capability to find and delete duplicate bookmarks. ($35.00 new, free update from version 5, $25 upgrade, 10.3 MB)
Updates the venerable bookmark manager for macOS 10.15 Catalina. ($35.00 new, $25 upgrade, 8.7 MB)
The Xmarks bookmark-syncing service shut down on 1 May 2018—with users receiving little warning. Looks like there never really was a viable business model behind cross-browser and platform bookmark syncing.