Hi @Cosmina,
It seems my colleague Lauma already answered your inquiry in an internal conversation. Here is the proposed formula for all community members to see:
NonZero(Count(
Filter(
--go through individual issues
Descendants([Issue].CurrentHierarchyMember, [Issue].[Issue]),
IIF([Time].CurrentHierarchyMember is [Time].CurrentHierarchy.DefaultMember,
--if no period selected show distinct count of issues matching selected values
CAST([Measures].[Transitions to issues count] AS NUMERIC),
--count issues that had selected values at the end of period
DateBeforePeriodEnd(
[Issue].CurrentHierarchyMember.Get('Created at'),
[Time].CurrentHierarchyMember)
AND
[Measures].[Issues history] > 0
)
)))
Best,
Roberts // support@eazybi.com