GrapheneOS/e/OS is an entirely different kind of thing from GrapheneOS and is nearly the complete opposite of it. LineageOS already greatly reduces security compared to the Android Open Source Project and the /e/OS fork of LineageOS completely destroys it.
GrapheneOS is a hardened OS with substantial privacy/security improvements:
https://grapheneos.org/features
It doesn't just preserve baseline privacy and security but rather massively improves both. They're not at all similar projects.
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