These are the kinds of things that I like mozilla working on. I feel like privacy is one of the main reasons people use firefox, yet it seems like every update and new feature or service is working against that goal. So a better monitor seems like a ...
I'd like the option to have ALL settings sync. There are a few things I always need to go in and set in about:config after a new install. I get that keeping old settings could cause issues, so maybe just a "sync this setting" option would be nice, or...
It's hard to think of anything that I would want always built into firefox. "shopping" features are always overly intrusive, and immediately make me think that someone is stealing / selling my data.