"Undo" and "Redo" may be reflected on other pages, or may not be reflected on unselected clips.

Question

"Undo" (WIndows: Ctrl+Z mac: Command+Z) or "Redo" (WIndows: Ctrl+Shift+Z mac: Command+Shift+Z) can also be applied to other pages. It may be reflected, or it may not be reflected for clips that are not selected.
Example:
I set a transition on the edit page, switch to the Fairlignt page, do "undo" more than I changed on the Fairlignt page, and when I go back to the edit page, the transition is back.
Multiple Undo actions on the Color page do not undo changes to unselected clips.

Answer

Some pages share undo history information, some do not.
For this reason, if you "undo" or "redo" a shared page, you may not be able to notice what was returned.

Media/Cut/Edit/Fairlight page

All pages are managed with one common history.
Track all changes you make in the media pool, timeline, metadata editor and viewer.
For this reason, even if the operation cannot be performed on the Fairlignt page, if you perform "undo" more than the changes on the Fairlignt page, the behavior will be such that the changes performed on the edit page will be "undone".

Fusion page

Individual histories are managed for each clip.
It is possible to undo changes made in the composition of each clip.

For this reason. If you make a change to clip A, then make a change to clip B, then switch to the next clip A and execute "undo", the behavior of clip A will be undone and clip B will not be undone. Become.

color page

Individual histories are managed for each clip.
It is possible to undo any changes made to the grading of each clip.

For this reason. If you make a change to clip A, then make a change to clip B, then switch to the next clip A and execute "undo", the behavior of clip A will be undone and clip B will not be undone. Become.

deliver page

Operation history is not managed.

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