Is there any write-up about interops between any of them?

Of course, imho, being aware of your own lack of knowledge is something already.

isn’t that another way of calling ignorance aka being dumb?

Isn’t that what Lineage does?

That’s disappointing…

What’s the point of Goggle’s security support when you’re buying the phone for GrapheneOS?

The aim of Signal Foundation is to displace the likes of WhatsApp and Messenger thus it has to support all modern and expected features.
Interestingly enough WhatsApp uses Signal’s protocol for encryption, it’s part of the planned messaging interop forced on Meta by EU.

Molly allows you to use alternative push servers (instead of Google’s), amongst other things.

But they do have mobile arm builds already don’t they? Of course iOS is very different from Android but it’s not like they’d have to do complete port. And it targets the same architecture that’s in macs and they have builds for it obviously.

What exactly is there to port anyway?

Don’t buy Exyonos phones. They are full of weird incompatibilities and quirks. I’ve returned my A52 because once someone sent me a movie from their phone and I couldn’t play it because the hardware didn’t support some obvious codec.

OLED Display on my Zenbook unglued itself after month of use. They removed the ability to unlock bootloader in their phones (after repeatedly lying about it returning). Some people sued them and won. I won’t buy another Asus product.