I hope the "end of 2017" deadline is flexible to change based on what's supported and what's not supported for current extensions. As people have said on the co

I hope the "end of 2017" deadline is flexible to change based on what's supported and what's not supported for current extensions. As people have said on the comments on the Mozilla blog post, Firefox will die without the popular extensions, of which there are many. Even today, Firefox extensions are far ahead of extensions on other browsers in what's available and how well they function.