Something tells me that you did not understand my sarcasm. There is one simple truth - always stay updated, this is not a local program, this is a site available to everyone. If CMS does not receive security updates - you are at risk
Read the description and comments carefully, everything is written there... demo, free, pro, etc.
If it says "pro", then with a probability of 99% this is a plugin with "pro" features
They release two updates a week? It's too stressful to update considering the number of modified files. So what am I talking about....thanks for the update )