x++ LedgerDimensionFacade is the new DimensionDefaultingService This is more of a reminder for me than you that the DimensionDefaultingService class doesn't exist in D365. The DimensionDefaultingService was a short-lived class; brought into existence for only one version
x++ Update defaultDimension This has been sitting in a txt file on my desktop for years. I don't remember when it came about, but I put this in a helper class everywhere I go.