User Activity

1) am unable to set the visibility of application picker from zurich upgrade.  Preferences --? developer is missing2) Many users now do not see that anymore. is there any access restriction?
We would like to know if we can track who added / removed Sections from Change Request Form Layout ? its not available in Show Versions  Couple of sections has been removed in prod  
There are some HR services KB articles that are getting retired automatically by a user name called copilateknowledge reader. unable to find any job that is running or any script that does it any leads ?
I am not getting the now assist panel icon on top right corner1) am in Next Experience2) The Panel is turned on under Now Assist Admin-> Experience3) have now assist user panel role any pointers what else i could miss ??
we do see RITMS where the attachment is encryptedas admins even we cannot see the attachmentWe do see that Encrypted Field configuration set up for Type Attachment with Multiple Modules on the sc_req_item table. But could not find which Module access...
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