K9 has already stopped working some places or requires hoops to be jumped through at others because no one has stepped up to implement SASL XOAUTH2 authenticati

K9 has already stopped working some places or requires hoops to be jumped through at others because no one has stepped up to implement SASL XOAUTH2 authentication for their IMAP implementation. Moving to requiring OUTH2 authentication isn't something restricted to Gmail. Many email providers have or are switching to only allowing OAUTH2 authentication.