..find it odd its not mentioned here:
discussions.apple.com
Browsers by Mac operating system
1.5.1 Big Sur - Safari, Edge, Brave, Chrome, Firefox, Waterfox (Intel only), iCab
10.15.7 Catalina - Safari, Edge, Brave, Chrome, Opera, Firefox, Waterfox, iCab
10.14.6 Mojave - Safari, Edge, Brave, Chrome, Opera, Firefox, Waterfox, iCab
10.13.6 High Sierra - Edge, Brave, Chrome, Opera, Firefox, Waterfox, iCab
10.12.6 Sierra - Omniweb, Edge, Brave, Chrome, Opera, Firefox, Waterfox, iCab
10.11.6 El Capitan - Omniweb, Brave, Chrome, Opera, Firefox (July 2021 last Security update), Waterfox, iCab
10.10.5 Yosemite - Omniweb, Firefox (July 2021 last Security update), Waterfox, iCab
10.9.5 Mavericks - Omniweb, Firefox (July 2021 last Security update), Waterfox, iCab
10.8.5 Mountain Lion - Omniweb, Arctic Fox, Waterfox, iCab, Spiderweb, Snow Monkey (10.8.3 is minimum for Java 8)
10.7.5 Lion - Omniweb, Arctic Fox, Waterfox, iCab, Spiderweb, Snow Monkey (10.7.3 is minimum for Java 7)
10.4 Tiger, 10.5 Leopard, 10.6.8 Snow Leopard - Omniweb, iCab, Tenfourfox, Spiderweb, Snow Monkey
10.3 - 10.3.9 Classila, iCab, Tenfourfox
10.2.8 and earlier, Classila and iCab.