Hi, we still use the community edition and not yet matured to the point where developer edition makes sense to pay for.  What paid features were you needing to use?  Do you make use of community edition currently?  Let me know if you have questions, will answer what i can.

I'd add that the reliability needs improving, there have been a few outages lately, had numerous issues where marketplace modules install but cannot be used and the live updates on running pipelines stop working. As it matures I can see it being a strong competitor