>every maintained addon will update to work with current Firefox Those that can be will be, but I imagine entire categories, scores and scores of addons will b

>every maintained addon will update to work with current Firefox Those that can be will be, but I imagine entire categories, scores and scores of addons will be abandoned. So much of what people expect from Firefox addons is going away with no replacement in favor of basically light javascript web apps. Which is the point of the switch: dramatically reduce addon functionality in the interest of safety / security.