Fair enough. I said “huge” because I guess some people care a lot. I personally don’t and have been on security preview releases since they started releasing them.

Not exactly. GrapheneOS has an OEM partner and has early access to AOSP changes that aren’t public. A huge downside to that is that security preview releases can’t be open source until after Google makes the code public.

Just check the project’s X account. The OEM partnership is mentioned very regularly.

Google has already shared how apps’ developers will be verified. They’re adding another app that will have access to block installing apps or disable them. That won’t work on GrapheneOS because 1. the app won’t be installed and 2. the app won’t have that kind of privileged access.