EDIT
I leave my original rant in place FYI, but it seems like this problem was entirely the school’s fault and nothing to do with Zappar this time. I think that the Beta projects are hosted on a different server that is being blocked by the schools firewall and that the school can rectify this.
I am now just back to being frustrated by the lack of functionality, inability to accurately select handles for transformations, lack of grab-an-go, lack of basic editing tools, lack of shape making tools, no ability to select objects in a scene from a list, no ability to reorder scenes etc etc
Firstly I have to say that I really thing that Designer Beta is awful and barely fit for purpose.
Secondly, my current problem is that the Designer Beta files will not open on any chromebook or win 7 pc , which I’m using in schools. , but will open on my personal computers running windows 10 and 11.
The older machines will still open all the legacy projects , but any beta project will complain that it can’t connect to the servers.
[This was solved and due to a firewall issue and not a problem with zappar]