A few settings you may wish to consider for your firefox’s about:config page.
browser.ml.chat.enabled = false
browser.ml.chat.shortcuts = false
browser.ml.chat.shortcuts.custom = false
browser.ml.chat.sidebar = false
browser.ml.enable = false
browser.tabs.groups.smart.enabled = false
I notice they don’t have an android version. Any insight why?
IronFox is nice on Android
Closest thing I’ve found for Android is IronFox https://gitlab.com/ironfox-oss/IronFox
Waterfox supports booth desktop (mac maybe not) and android