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I have been following the development of this platform for a long time. It is definitely getting better. Unfortunately, there are a lot of things that prevent you from creating a well-functioning application. I apologize in advance for the long video (4 min), but I want to show what I mean. The result is a beautiful view, but each command responds with a delay. The more commands are issued, the longer this delay. I have used the following blocks:
Button, Airtable, Data Viewer List and Data Viewer Grid
This behavior does not depend on the phone hardware. It is current for Android and iOS