RE: Dynamics List View - Missing Alphabetic Filtering control.
I would call 'filter' for something using the 'Filter by' in the column. I would call 'shortlist' the way you get a list with specific initials.
As far as I can see, I could shortlist for all opportunities where the account starts by 'A' as long I would save the account with a lookup field against that opportunity record. You would have to sort first for that field. Once selected to sort in priority for, you could shortlist with the respective initial letter (e.g. Owner).
Now imagine that you had a 'key contact' on each account with a lookup for (related) contacts (similar to the Relationship Manager of an account this key contact would be the one guy from the account you would address first).
You could add this 'key contact' field to the view (as it's related via the account lookup from the opportunity). Even you could to sort for this specific related 'key contact' field on the account. However, I would not be able to shortlist by the initial letter for this 'key contact'. I guess this is what you meant with 'filter' for 'non-primary' fields on the 'jump bar'.
But for the time being I could filter (with begins with 'A') using the 'Filter by' command in the column. As soon as I would use the jump bar I get some error messages in the console:
get 400 error
storage] Error Messages:
1: 'Opportunity' entity doesn't contain attribute with Name = 'n_wd35geb074f34a89454593aa8c03bee65.keycontactidname' and NameMapping = 'Logical'. MetadataCacheDetails: ProviderType=Dynamic, StandardCache=True, IsLoadedInStagedContext = False, Timestamp=2786855878, MinActiveRowVersion=2387925979, MetadataInstanceId=7437698, LastUpdated=2021-11-21 11:59:13.180
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Call stack hash: -3065711463