On 8. Mar 2021, at 8.11, Mark Constable <markc@renta.net> wrote:
Two years on so what is the status of JMAP support in Dovecot now?

Lots of work, and nobody really seems to want it that much, so we're not actively working on it. There are also some generic optimization and code cleanup steps along the way that are slowly happening, and after those it should be easier to implement JMAP (or some other HTTP based protocol).