To determine whether this update applies to your copy of Kaleidoscope Kreator 2.0, select Help->About Kaleidoscope Kreator from the KK 2.0 menu bar, and look for the Build number.

If the number shown is 2.0.0.0, then you can download and install this maintenance update to get the latest fixes.

If the build number is 2.0.1.0 or higher, then you do not need to install this maintenance update - your copy of Kaleidoscope Kreator 2.0 already contains all available fixes.