To anybody who used my #Gmail, #Gnus and #GPG Guide: Something seems to have surfaced regarding PGP And GPG, so maybe switch to some other technology such as Signal for the moment.
https://www.eff.org/deeplinks/2018/05/attention-pgp-users-new-vulnerabilities-require-you-take-action-now
https://github.com/kensanata/ggg#gmail-gnus-gpg-guide-gggg