Actually, the 10.10 is because of the Unite component. When they released the official new version, 10, they didn't have Unite ready yet, it was on another bran

Actually, the 10.10 is because of the Unite component. When they released the official new version, 10, they didn't have Unite ready yet, it was on another branch, the 10.10 (they reserved a few numbers for hotfixes for the version without Unite).