It would be great to have old messages (i.e., from before starting to use an application) available in delta chat, assuming the application is configured with the same pgp key.
Use case: I just migrated from the apk version of delta chat to the fdroid version, and I’m unable to do a backup with the apk version. I manually configured the fdroid version with the same pgp key, so now I’m receiving messages in both applications. I would like to get rid of the apk version, but it is the only one that shows the old messages. As they are available in the DeltaChat mail folder, it should be possible to fetch them to populate the new application.