version
6.12
LightUp v6

LightUp v3.0j

OSX 10.9 (Mavericks) breaks the way SketchUp plugins create dialogs and this was effecting LightUp. The result was the Preferences dialog on Macintosh running OSX 10.9 would be a blank window.

LightUp v3.0j resolves this issue and also has some minor fixes and improvements.

You can use your Registration Key to re-download a new installer with the latest version from Downloads