In this example, a Calculated Text Field ("Latest Planned Version") is needed for getting the highest value of a specific custom field in all linked issues. More precisely, the latest version should be evaluted. This version is stored in another custom field (single version picker) "Planned version".
Note that:
The configuration of the Calculated Text Field "Latest Planned Version" will look like this:
Text to be parsed is: first(sort(fieldValue(%{10409}, linkedIssues()),DESC))
Note that: