I can confirm the surprising update notification, telling me to upgrade developer edition from 72.0b11 (64-bit) to 73.0b2. And FF tells me, it cannot update au

I can confirm the surprising update notification, telling me to upgrade developer edition from 72.0b11 (64-bit) to 73.0b2. And FF tells me, it cannot update automatically, i would have to download the new version.