We've just released version 1.18.2 of the Z1 Analyzer. This fixes a bug in version 1.18 with the lap shifting feature where the base lap could 'shrink' if it was moved back and forth multiple times.

Existing users can get the update here: https://z1simwheel.com/dashboard/MyDashboard.cfm

New users can download the demo here: https://z1simwheel.com/dashboard/demo.cfm