On the other hand, all the inner refactorings happening to Firefox may threaten the addon ecosystem by constraining them Chrome-like. There's no telling if ther

On the other hand, all the inner refactorings happening to Firefox may threaten the addon ecosystem by constraining them Chrome-like. There's no telling if there'll be a vimperator for firefox 50, 55, 60. The way vi emulator addons work for Chrome, it might be a potential travesty.