Correct. Just installed it on my Intel Mac running Big Sur (had to put it in my home directory; I already had non-beta Firefox in /Applications): file ~/Ap

Correct. Just installed it on my Intel Mac running Big Sur (had to put it in my home directory; I already had non-beta Firefox in /Applications): file ~/Applications/Firefox.app/Contents/MacOS/firefox-bin ~/Applications/Firefox.app/Contents/MacOS/firefox-bin: Mach-O universal binary with 2 architectures: [x86_64:Mach-O 64-bit executable x86_64] [arm64:Mach-O 64-bit executable arm64] ~/Applications/Firefox.app/Contents/MacOS/firefox-bin (for architecture x86_64): Mach-O 64-bit executable x86_64 ~/Applications/Firefox.app/Contents/MacOS/firefox-bin (for architecture arm64): Mach-O 64-bit executable arm64