...
- A list of tickets that represent new features
- A list of the tickets for major bug fixes
- A list of the data model changes in the release, typically these would be the comments for the respective liquibase changests in the liquibase.xml file assuming they were well written to explain what they are doing. If your module doesn't add any tables or modify anything in the DB then this can be optional.
- Any other things an implementer might need to know when upgrading to the release e.g known incompatibilities with certain OpenMRS platforms or other module versions
- A list of all tickets included in the release
...