> and/or have a lighter browser (without canvas, webgl, webrtc etc.) with better defaults (ie. no hardware access, location, notifications, cookies, history, etc.) for opening links, private browsing etc

We are building one [1]. Contributions are welcome! In the meanwhile, the ungoogled-chromium project in combination with uMatrix is I think a great way to transition away from Chromium.

[1] https://github.com/UprootLabs/gngr