Elapsed time between creation and resolution
Elapsed time between creation and resolution in days.
Configuration
Create a custom smart number field and use the General parsing mode.
Expression
%{{issue.resolutionDate} != null ? (({issue.resolutionDate} - {issue.created}) / DAY)
: null}
The duration can be retuned in years, weeks, days, hours or minutes if the DAY keyword is replaced in the above expression with the corresponding time constant.
If the resulting number from the expression contains too many decimal numbers, feel free to select one of the available display formats or to configure it manually.
Format
Default