Please test the BETA for version 22.01

[shotcut]

@DRM

Multi select most of the clips then drag that group of clips all the way to the right past the current end of the timeline and let go. The clips will not end up in the state that they were in.

…and related. This was a regression in the change “Fixed a clip duplicates on the timeline after 2 moves, 2 undos, and 1 redo.” I am reverting it, and that will return to unfixed.