Besides <mention class="mention" data-id="67691" data-type="work_package" data-text="#67691">#67691</mention> we should think about automating some of the tests. Here what we could do, both on every PR and in the release job:

1. Install latest stable release, from the assets in GitHub, the release branch or from the App store

2. upgrade to the current code base by Begin of the insertionbuilding a new artifactEnd of the insertion Begin of the deletion copying the files overEnd of the deletion and Begin of the insertioninstalling that,End of the insertion running the Begin of the insertionoccEnd of the insertion upgrade command

3. run all API tests


That will at least confirm that the migration steps run fine.

If we want to be more fancy, we could have some pre-conditions before upgrading, then we can confirm if any settings/data gets lost in the upgrade.

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