We are waiting since 8 days on @fdroidorg to publish a) our disabling of the 1.40.0 release b) our 1.40.1 fdroid release that we did a few hours after users reported crashes. Status is tracked here https://github.com/deltachat/deltachat-android/issues/2639#issuecomment-1692416810 .... We had dozens of users reporting that their fdroid #deltachat install became unusable and we are very sorry about it but also can't do much else than wait. Don't deinstall anything, please, but wait for fdroid to publish the update after which things will function again.