It's from Google, they deprecate things every 6 months including APIs your app is using, if you don't follow your app will be down pretty quickly. AWS nearly never do breaking changes.
AWS GameSparks.
Being shut down end of November and bringing down one of my favorite games with it, because the devs were foolish enough to believe what you believe, that AWS sticks with its products.
It's AWS page says Preview, meaning it has never gotten to an official stable release. It's like using a beta/rc product, there is an explicit warning this is not the final version and it might not get anywhere.
But since Firebase is from Google now, anyone who worries about Google deprecating products have equal worries whether Firebase is based on GCP or not.
