>>903721
>like addons being more secure
That is a /g/-tier meme.
They are more secure just because they are much more limited feature-wise and not because of any inherent advantage of chaning to webextensions per se.
>I think being able to be multi-core (or was it multi-process
Could be done a long time ago without the Quantum meme.
>can apparently be somewhat more cross-browser
Every standard could be cross-platform, Webext just happened to be the one forced by Google and since the current enviroment follows their lead to the point 90% of the browsers are themed-Chromes...