In Power BI Desktop I have made changes in Power Query by Replacing Values in a column. Those changes correctly flow into the spreadsheet view, but when I go to edit the grouping of the column, the ...
This is a known and old bug, surprised that MS is not fixing it. Can be cured by dropping the cash and reopening+refreshing the file, but that not always works from the first time. Behavior is unpredictable and frustrating here