When I have finished with my retiming in a timeline, the retime bars at the top of each clip remain even when rendered. BUT when I close and then reopen the timeline, the retime indicator bars disappear.
If I select a clip in the timeline and then retime again and slow down by, say 50%, the bar reappears and then if I 'undo' the indicator bar comes back showing how much the original clip in the timeline had been adjusted by when I was working on it previously.
Where do I see how much the clips in the timeline have been adjusted by in terms of timing when i reopen a timeline please?
It does not appear to be a preference issue as I have trashed already.
If you want to see all your retimed clips, just select your whole timeline and hit CMD+R as Doug said. This will toggle visibility of the retime bar. You'll be able to tell at a glance what's slow (orange), frozen (red), fast (blue) or normal speed (green).