You could also open a new support ticket https://support.advancedcustomfields.com/new-ticket/, this is a more direct path to get the attention of the developer. I do know that he was in a hurry to get 5.5 released, it was actually several months later that he wanted it to be. He might consider making this more friendly in the future. I do know that he plans on releasing a free version of ACF this year, at least that’s what his most recent blog states. https://www.advancedcustomfields.com/blog/acf-2016-year-review/. When upgrading from 4 to 5 there will be 2 big DB upgrades that need to be done. The original from 4 to 5 and then this one that deals with term meta.
