markNewAsBlank
loadForeignInBackground
highlightOpacity
disableMultirowTabs/disableVerticalTabs
mouseHoverPreview
1.6pre6
fixUndoCloseTabButton
SessionStore.jsm
RecentlyClosedTabsAndWindowsMenuUtils.jsm
_getToolbarItem
handleDroppedLink
fixTabViewButton
Fix _getToolbarItem in mouseHoverPreview
1.6pre7