as stated in https://www.photools.com/community/index.php?topic=9082.msg63847#msg63847, some of the alias names defined in immbcfg.xml should be improved to avoid misunderstandings.
Generally, I recommend to stick with the wording from ExifTool as far as possible as we already have too many wordings for the same data.
Specific entries I found worth mentioning:
4100 "Date Subject Created" -> "subject" is misleading and should be removed.
4100 "Thema erstellt am" -> "Erstellungsdatum" (ExifTool) or "Aufnahmedatum" (what it really means).
1800 "Created Date" -> "Create Date" and "Digitalisierungsdatum" (from ExifTool)
1900 "Original Date/Time" is mapped to the same tag as 4100, so we can't even select it in the tag selector. What is it good for?
1300 Belichtungsquelle -> Lichtquelle
Oliver