Do functions @Prior and @Shift work in Hybrid BSO?

Summary: Do functions @Prior and @Shift work in dynamic member formulas in Hybrid BSO?

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We recently converted an old BSO app to Hybrid BSO. Other than making the parent members of the dimensions dynamic, no other changes were made.
Today we discovered that dynamic calc members in the Period dimension (i.e. 3 mth rolling, 12 mth rolling) are not calculating correctly or at all.
After doing some troubleshooting we have found that the @Prior and @Shift members aren't working in Hybrid BSO. Also, please note that we tested on lvl0 members across all dimensions. Here's what we have found: