@Gargron @Vivaldi That seems like a step backwards to be very honest. Firefox is a truly open-source project, with its own nuts and bolts under the hood, whereas Vivaldi is just another Chromium fork with a bunch of proprietary bits strapped to it.
I don't agree with the choices from Mozilla, but if everything is opt-in, local, and respects user privacy, what is the problem? And if it does bother you, why not use something like LibeWolf?