Now template preview uses subject and body of the email from the user page, instead of data saved to the database. Previously to see the preview of your template, you have to save your template which affected all user.
Version history
1.0.1Jira Data Center 8.19.0 - 8.22.42021-10-15Changed template preview behaviour. Bug fixes. 1.0.0aJira Data Center 8.0.0 - 8.22.42021-10-01Plugin's first release version No release notes.