Firefox Quantum 58 released

This release packs with faster, always-on privacy with opt-in Tracking Protection and new features.

https://blog.mozilla.org/wp-content/uploads/2018/01/Disconnect-Study-Blog-Post_Revision01-04-768x384.png

More at https://blog.mozilla.org/blog/2018/01/23/latest-firefox-quantum-release-now-available-with-new-features/