Seems the error in your latest screencap stems from a function that tries to add a scrollbar. One of the devs should probably take a look at this one, especially if it’s true the error does not occur when you roll back a beta version. I don’t think this error actually stops the app from running though, at least in the browser.
The error you mention in your first post seems like a different error:
Uncaught TypeError: Object # has no method 'querySelectorAll':2551 error .
Could you please verify if this error also occurs when you roll back a version?
You also mention that this app won’t compile on iPad due to memory concerns. I think that’s a much bigger concern because it could mean you might have to rearchitect your app to get the memory usage down. I’d open up a separate thread on the forum to discuss that issue. Please provide an error message from the iPad or Xcode when you do. Thanks.