Old File Crashing Dorico 5

An older file from Dorico 3.5+4 crashes Dorico 5 every time I try to open it.
Is this related to any other bugs already on the mend?

A post was merged into an existing topic: Dorico 5 crashes when opening Dorico 4.3 files

A post was merged into an existing topic: Dorico 5 crashes when opening Dorico 4.3 files