Seems like it's way too early to be testing this thing, especially when some features important the privacy, like not sharing data across container tabs (https:

Seems like it's way too early to be testing this thing, especially when some features important the privacy, like not sharing data across container tabs (https://bugzilla.mozilla.org/show_bug.cgi?id=1901103 https://bugzilla.mozilla.org/show_bug.cgi?id=1901103) and clearing data when cookies are reset (https://bugzilla.mozilla.org/show_bug.cgi?id=1901106 https://bugzilla.mozilla.org/show_bug.cgi?id=1901106) haven't even been done yet!