There will be the 6th OpenPGP Email Summit on Friday, May 27 & Saturday, May 28, 2022 in Geneva (Switzerland) at the offoffices of Proton AG (the company behind ProtonMail and OpenPGP.js) (those interested, please ask the secretary to forward you the invitation) https://wiki.gnupg.org/OpenPGPEmailSummit202205
This is an event open for anybody involved in the development of email clients using OpenPGP for encryption, and related software. The agenda will be driven by the attendees. Anyone may propose any topic for discussion, as long as he is ready to lead the discussion.
As you know, you can having a CAcert signature on your PGP keyring. Having a CAcert signature on your PGP keyring signifies that your identity has been verified (assured) by at least two other people (that’s the only way to get more than 50 Assurance Points). So it gives credibility to your PGP keys’ authenticity.
If you want to strengthen the relationship between CAcert and OpenPGP, please feel free to representet CAcert at the 6th OpenPGP Email Summit.