invalid extrudes after component copy

[chip.cox]

When I copy an existing component using Ctrl-C, select and make the root component Active, then paste new, everything works fine, except the last three extrudes in the timeline become invalidated.  If I right-click on each of them in the timeline, 'edit feature' and click ok.  (not changing anything). The component I right-clicked on becomes valid again.  I tried it on a simple circle and did not see the issue.  It may either be that my file is corrupted somehow or that I am doing something else strange.  I just wanted to let you know in case it was larger in scope than I understand.

[johnsonshiue]

Hi Chip,

I tried opening the f3d on the latest internal Fusion build. I cannot seem to see the issue in the timeline. All features are computed fine. Do you mind taking a snapshot of your screen? I would like to understand the behavior better.

Many thanks!

[chip.cox]

Copy and paste new the template component.

[TrippyLighting]

I find this to be very easy to reproduce !

Running a "Modify->Compute all" resolves the issues, but should not be needed.