I want to filter tasks in which set of users were either mentioned, assigned or reporter (but now they are not).
Hi @Muhammad Adil
check out the WAS operator in advanced searching
https://confluence.atlassian.com/jirasoftwareserver0710/advanced-searching-operators-reference-953146975.html#Advancedsearching-operatorsreference-WASWAS
Assignee WAS IN (users,userb etc)
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