As a reminder, according to external sources and `about:support`, #Firefox on #Android – including #IronFox – has no sandbox. So it is inherently less safe than some other browsers that are available on Android. Arguable, specialized sandboxing is less important on Android, as the OS does more to isolate apps, but it is still relevant.

`about:support` on Linux shows detailed sandboxing status. On Linux, there is or (maybe wasn't until recently) GPU sandboxing.