There was a JavaScript exception when hovering over the parameter name of the only parameter in a test plan with just one parameter on the Define Inputs screen. This has been resolved.
The coverage analysis graphs are now generated using a different technique. It is no longer a static image with only details on 40%, 60% and 80% coverage. You can hover your mouse and get details on the coverage level at any test. It also no longer labels the X axis with fractional tests.