Hi Frank,
Thank you for your answer, Cloud Storage is an amazing tool!
Actually, according my recent tests, uploading a file to Cloud Storage through the Firebase SDK client does auto-generate a download URL even if no extra call to get a a download URL is performed respectively it generates a download URL automatically in any case.
I don’t know if it’s a configuration thing, the fact that I used the client side and not the server side or else, but that’s the actual behavior I noticed (and even one of the reason why I reverted a big part of my implementation).
About revoking an existing download URL from the console which generate a new download URL, it’s also something I observed in my recent tests (see Gif below).