Yahoo! UI Library: Graded Browser SupportThe dagger symbol (as in "Firefox 3.") indicates that the most-current non-beta version at that branch level receives support. Put another way, means "the most recent" instead of "all." Notes Primary Changes A-grade support for Firefox 3 begins. A-grade support for Firefox 2 is reduced to Win XP and Mac 10.5. A-grade support for Opera 9.5 begins on Win XP and Mac 10.5. A-grade support for Win 9
