Issue Summary

Using {{fieldChange.fromString}} is returning "null" regardless of the previous value of the field.

Steps to Reproduce

1. Create an automation rule with the trigger "Field value changed" scanning for changes in the "Fix versions"
2. Add a "Log action" to see the {{fieldChange}}
3. Trigger the rule

Expected Results

Return the previous value of the field.

Actual Results

The output will come as "null" in the from values

Workaround

There is no known workaround at this time. If a workaround is discovered, it will be added here.