If you want to access the history of changes to the release or issue, use the Activity tab in the issue and release reports.
How to see the changes made to an issue?
Open Swanly > Issue view
Open the issue report by clicking on the issue name in the roadmap or list view
Click on the Activity tab
...
Updating issue summary
Updating issue start and end dates
Updating stage dates
Changing stage status
Changing issue template
Assigning scope
How to see the changes made to a release?
Open Swanly > Release view
Open the release report by clicking on the release name in the roadmap or list view
Click on the Activity tab
...