The tenth OpenPGP email summit
Summary
The OpenPGP Email Summit 2026 explored post-quantum cryptography adoption, PQC-ready OpenPGP formats (v6 and v4 subkeys), and approaches to making OpenPGP signatures more ubiquitous through unobtrusive signatures. It also covered Autocrypt v2 for forward secrecy, HKPv2 key-server APIs, and governance plans for OpenPGP.org, highlighting strong interoperability momentum across major clients and libraries.