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Until 2017 there was a working group at #ietf trying to get new standards for #gpg. It was closed due to "interest to successfully complete the work of the working group".
5 months later, we have #efail.
https://mailarchive.ietf.org/arch/msg/openpgp/d6_ymZTQ6TtizxqVjjPk0AG1dLg
source: https://neopg.io/blog/efail/