When Unreal autosaves, any items in the outliner from a sub-level that have been switched on by the sequencer track disappear, BUT only in the outliner, everything else can still see the scene fully (for example, the viewport is fine).

 If you kick the outliner by scrubbing the timeline in sequencer for instance, then everything comes back.

Steps to Reproduce

Control the visibility of sub-levels by a visibility track in the sequencer.

Set the sub-levels to off by default in the persistent level and enabled by these Sequencer visibility tracks.

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CreatedSep 19, 2022
UpdatedOct 17, 2022