Not a web developer, but I usually just test with the latest or almost latest version of FF and perhaps Chrome.

I personally don't like or use any of the frameworks you presented. If I had to pick one I would choose Vue.

jQuery did a lot for inter-browser compatibility, so I don't understand the argument. On the contrary, it was much more difficult to manage diverging code without it.

99% of my web programming is displaying some data, a website to interface XY. I don't like modern websites at all. Probably more a design descision than a framework issue, but I try to minimize any browser scripts in the first place and just haven't felt the need for somthing like React or Angular.