Updated to Scrivener 3, Synopses disappeared

Got Scriv 3, opened file I’d had in the older Scriv, seemingly all files are there but the content in the synopses cards has disappeared in almost all of them. I’d gone through my novel in February and created a synopsis for every chapter, which was to help me edit stuff down and all that work is just…gone. Seems like there is older content in the synopses cards, like Scrivener grabbed synopses content from some version prior to February, if that makes sense.

Has anyone else experienced this issue?