Mason's #OpSec guide:
http://g66ol3eb5ujdckzqqfmjsbpdjufmjd5nsgdipvxmsh7rckzlhywlzlqd.onion/post/faa65a9e868bd63b6bbf
Includes mentions of #Qubes, #Whonix, Full Disk Encryption (#FDE), and #PasswordManagers
They left out #LibreWolf, but all their suggested settings changes for #Firefox will apply since LibreWolf is based on that.