> There are a lot of options in the protocol where it's not immediately clear what they do and why they are important I totally disagree, your expectations for

> There are a lot of options in the protocol where it's not immediately clear what they do and why they are important I totally disagree, your expectations for the protocol seems unusual. They are not frameworks, and need to game many options. MQTT specification is like 3 pages. For comparison try to read specification of HTTP3, or AMQP - those are hideously complicated.