I see; I’ll see if I can somehow get this supported despite also having F-Droid, as I assume most users of Mitch also have F-Droid installed. And it’s really annoying I can’t use the same signing key on F-Droid and Itch, unless I wait a week for F-Droid’s build and then manually download F-Droid’s APK and upload it here.
For now I put the F-Droid link in the description here.