This appears to be related to adding slack. Without slack the converted NX9 spline is quickly editable, but when selected and the slack option is chosen it takes 15-60 minutes to add slack. Short branches <15 points perform better. This worked fine in NX 8.5 on any length cable. Slack and the...
Converting NX 8.5.3 cable spline paths with slack to NX 9.0.2 splines is extremely slow. After conversion, editing the spline is nearly impossible. Each edit is taking 15-30 minutes to complete on long cables. Removing slack in 8.5 then converting the splines in 9.0 is a workaround, but adding...