Yeah, apparently the Tor project considered those first but they weren't able to compile Firefox [1]. And they seem to be abandonware at this point. I didn't im

Yeah, apparently the Tor project considered those first but they weren't able to compile Firefox [1]. And they seem to be abandonware at this point. I didn't immediately find any indication of their performance costs. [1] https://blog.torproject.org/blog/tor-browser-55a4-hardened-released https://blog.torproject.org/blog/tor-browser-55a4-hardened-r...