How do I filter (create jql) for changes made in any particular field in JIRA? (e.g. need to understand of a field CF1 is changed from its creation date. Assume CF1='xxx' on date of creation, which is modified to CF1='yyy' after few days. [it might be there like after few days CF1='xxx' {changed back to original settings}]. Need to filter all tickets which are modified for CF1, and if possible how many times CF1 is changed)
