This is do be done as soon as the feature freeze has happened and no new migrations will be added to the release branch.

* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion [Test migrations](https://github.com/opf/saas-deploy/blob/master/terraform/envs/aws/production/shards/test-migrations/README.md) to learn about execution times, strange behavior, or exceptional errors Begin of the insertion
* [x] no errors, duration of less than 2 minutes for large instancesEnd of the insertion
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Inform about all larger changes in the release notes