Any function in Mit App Inventor that enables programmers to revert back to the previous step(s)

MIT App Inventor Help
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I'm wondering if there is any function in Mit App Inventor that enables programmers to revert back to the previous step(s) in the block editor? Or if not, is it feasible to add this function into it? (I'm new to programming and this app inventor so this question can be a little bit stupid but i think it will be useful if you delete some blocks by mistakes)

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Right click and undo ?

Save a check point?

Export an aia project every hour ?

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Wait let me try

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Thx (It's really a dump question! LOL)

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