I see my free version doesn’t allow me to update the about Window of the application that I am trying to work on. Is it mandatory to keep this window even if it is licensed version of CUBA?

Hello Mortoza,
For now it is mandatory to keep this window both in free and commercial versions. However, we are changing the license model and going open source in the next few weeks, so this requirement will disappear. A short announcement is here: https://www.cuba-platform.com/licenses-and-prices

That’s great! Thank you.