Opera is also closed source and has been bought by some Chinese consortium, so that may not be the best option if you want to get away from Google for privacy reasons.
Using Opera only superficially sidesteps the big Google problem, as you still contribute to the Chromium monoculture that reinforces Chrome's dominance and benefits Google.
It had been blocked by webrender if I remember correctly, now the work on fixing this issue has actually started. Markus Stange is a capable engineer as well so there's hope.
Tried running Edge for a while, which is gentle on battery, however Edge is just lacking.