alt Hacker NewsI don't know enough about either the technical nuance or the political drama, but some observers have noted that GnuPG's implementation is (deliberately?) incompatible with the IETF's standards. It's not clear why.
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capitol_ • today at 9:49 AM
As far as I understood it: GnuPG started to implement stuff from the standard before it was finished, the standard continued to improve and GnuPG refused to change code already written.
Combined with some personal drama.
From the GnuPG prospective RFC-9580 is a deliberate fork away from what agreement could be achieved. Basically the faction that is now called RFC-9580 (mostly Sequoia and Proton) wanted to make a lot of changes to the existing standard but the faction that is now called LibrePGP (mostly GnuPG and RNP) was not convinced that those changes were necessary.
Traditionally the OpenPGP standards process has been very conservative and minimalistic. GnuPG comes from that tradition. So the RFC-9580 faction created their own maximalist version of the standard and are actively promoting it as the standard.
So from a user perspective, there are two incompatible proposals out there. It's a mess. So it is better to aggressively ignore them both and maintain interoperability by sticking with RFC-4880 (OpenPGP). That might be a problem if you for some reason are still concerned about a quantum attack against cryptography as the post quantum stuff has gotten caught in this schism. It is certainly something that the users need to keep in mind.