The recent update caused my application to break

The recent update caused my application to break

I built an application that was working fine for several weeks prior to the recent update, but at least two parts of my application broke after the update. Both issue I've found so far appear to be related to calling user defined functions. The functions appear to work, so it seems like the act of calling the fuction is the problem.

In one case, I call a function in the On User Input script of a dropdown list. Prior to the update, it worked fine. After the update, the dropdown box does not work (doesn't work in IE, it works in Firefox). When the dropdown box is clicked, the dropdown list displays momentarily, then closes before the user has a chance to pick an item. If I go into the On User Input script and remove the call I make to a user defined function, the drop down box works fine again. When I test the function directly using the Execute Script button in the window for creating a function, the function works fine. Something changed with the update.

Also, I use a function in the On Success script of a form to add some extra information to a record that has been successfully added. Once again, all of this worked for weeks prior to your update, but now it's broken. When I try to add a record, the following error message is displayed at the bottom of the form "Error occurred on executing deluge script". The record is added successfully, but the extra information that I get from a function is not added to the record. Once again, when I remove the call to the function, everything works, so the problem is clearly the function call even though the function tests successfully via the Execute Script button. This all worked fine for weeks prior to your update.

I have created several user defined functions, so this problem is likely to exist elsewhere in my application. I have not finished fully testing everything because I wanted to send you this problem report.

Please help. These errors do not seem to be within my application - they seem to be hidden within the platform, and they only appeared after the recent release of the Professional Edition of Creator.

A few other thoughts:
I've been very impressed with the Creator product, but this problem represents an important architectural consideration for your developer oriented software as a service solution - you can't break the applications that people have developed when you roll out an update. Perhaps you should setup Creator so that applications are developed on a particular version of your service, and you should require developers to migrate their applications to new versions of Creator. That might allow developers to test their applications on the new version. More importantly, not changing the platform that is currently used by applications will ensure that updates to the Creator platform do not break existing applications.