[black3r]

F-Droid generates a unique key for each app and that key is then reused for all builds of that app. This will probably just require registering the F-Droid public key to the package name with Google.

[ycombinatrix]

Google to F-Droid: "no signature for you"

[ChocolateGod]

Apple did this to Epic when the EU threatened to intervene.