Project Last issue created date

Hi @guinevere ,
You can use similar approach that is used in this community post answer:

Only, you need to use measure “Issues created” instead of “Issues last updated”:

CASE WHEN ([Measures].[Issues created], [Time].CurrentHierarchy.DefaultMember) > 0 
THEN 
Tail(
Filter(
    [Time].CurrentHierarchy.Levels("Day").Members,
    [Measures].[Issues created] > 0
  )).Item(0).StartDate
END

best,
Gerda // support@eazybi.com