Not necessarily. WebExtensions by design don't work on firefox pages, nor do they have full access to the browser like the old addons used to have. There are a

Not necessarily. WebExtensions by design don't work on firefox pages, nor do they have full access to the browser like the old addons used to have. There are a few requests our there to get the needed access added, but Mozilla is basically going to let those rot: https://bugzilla.mozilla.org/show_bug.cgi?id=1215061 https://bugzilla.mozilla.org/show_bug.cgi?id=1215061