Hi, I created this report with Power BI - MAY-2024 and it's working just fine until this morning new version of JUN-2024 was auto-updated to my notebook. JUN-2024 version caused the report ...
I got the same problem with the June update. Reference label disappeared. For me changing the font size from 12 to 13 and from 12 to 11 makes them appear again (you can also display them by turning on Details even if you don't have any measures in Details).
However, another problem also introduced with the June update is that the Reference Label values are not aligned to the right end of the card anymore, there is about 20 px of padding to the right which truncates the Labels.