After using the Visual Debugger to modify the find expression of an element, after the test is complete Test Studio prompts you to save changes into the test project. After you click Apply, Test Studio may take excessively long to store the changes.

Here's a video demonstration from a customer having the problem:
http://screencast.com/t/OHxRLid9MeW

Repro steps will be given in the internal bug report.