NO. Saving Modern sites (while do-able) is not supported. The first hint that it’s not supported is the fact that the link “Save This Site As Template” is missing. And as history shows us, if it’s missing , it’s missing for a reason: It’s not supported to save the site as template. Think about Publishing… Read more
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You’ve surely been there: In your SharePoint Online environment, you have set-up the modern experience to apply to all the sites and lists. You create a document library and, naturally expect to see the new experience applied. Still you will be redirected to the classic experience. Why? The answer is here :Differences between the new… Read more