Grapheneos is, to my understanding, a dedicated development effort that specifically targets pixels.
Lineageos on the otherhand, provides scaffolding that volunteers can use to support phones of their choosing. It's very best effort and ymmv between phones. A universal upgrade option is just asking for trouble as it's not guaranteed all phones will behave the same/well.
Lineageos on the otherhand, provides scaffolding that volunteers can use to support phones of their choosing. It's very best effort and ymmv between phones. A universal upgrade option is just asking for trouble as it's not guaranteed all phones will behave the same/well.