Earlier quoted context omitted.
However, Australis for example was a large redesign of the UI. I'm not sure how you can support an opt-out, as that would mean supporting two codebases - two different and separate UIs, at once. Isn't it frustrating when a major software vendor takes a product you rely on, updates the whole UI in a way that makes the product worse for you and many other people using the desktop version primarily in order to try to ma…
> you'll also miss out on critical bug fixes and security updates for the old one within a few months? I'm not disagreeing with your point, but can't you use the Firefox LTS releases for that exact reason?
The irony of my previous post is that both Microsoft and Mozilla seem to be playing the same game now, right down to sub-year "long term" support. You can't really choose whether to have those updates any more, only to defer them for a short while. Anything more than that, and you just have to give up on updating altogether, security updates included, and for a new OS that is even more dangerous than it is for a browser.