I haven't read everyone's comments here so forgive me if someone has already said this and debunked it. But, it seems to me that the "multiple projects open at a time" feature PP 2018 allows you to drag and drop sequences into one project to another. I use the Dynamic Link Server with my assistant editor all the time and I too found this to be an issue with 2018 but I found that if you drag a sequence from Project B to Project A it will import the sequence, and all the files associated with that sequence into the destination. Now, I'm not sure how this works with duplicate media but I'll let someone smarter than me help with that question. Again, I apologize if this have already been said.
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