Hello @Zviad Kharazishvili
Out of the box it's not supported, you can try paid plugins like Script runner which have the concept of scripted fields.
You can fetch the SLA custom field values from all sub-tasks into the parent issue's script field and display the aggregation as desired.
Hello Insight users, As part of our (Mindville's) acquisition by Atlassian, our training team is looking to build some new Insight training materials. It would really helpful if you can ...
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