Hey, this topic is already a running issue for years but suddenly the work around is not working anymore.

For context: My team has to do a lot of reskins of specific features. Formerly we copy and pasted whole pages into a new file which kept the components and more importantly the instances in the mockups linked to the components below (Export area). The page components have imbedded instances form master components on a separate page in case we want to batch change them.
If we use the copy paste method now it creates only instances in the “Export” area. The instances in the mockups still link to the copied page. This basically brakes our whole workflow.

I tried plugins but they only copy/past single components - I need the whole page structure intact.

The only thing I can think of right now is having the master component page as library and create a new file for every reskin. But this is so much extra effort with changing the current structure and also contradicts our whole Figma project structure with grouping reskins in one file.

Is there anything else that can be done as workaround or even a fix from Figma itself?