Firefox still supports Flash, it just doesn't bundle it, unlike Chrome - you have to install the plugin manually. They're only slowly deprecating it starting on

Firefox still supports Flash, it just doesn't bundle it, unlike Chrome - you have to install the plugin manually. They're only slowly deprecating it starting on FF 69 (the "always activate" option will disappear, so users will have to click to activate it every time: https://bugzilla.mozilla.org/show_bug.cgi?id=1519434 https://bugzilla.mozilla.org/show_bug.cgi?id=1519434)