GrapheneOS Just FYI, somewhat unrelated to this discussion, the alpha I'm now on has pretty substantial battery drain. I can usually get about 3 days out of a single charge and I'm now getting a warning after only half a day. I'm not sure it's related to the bluetooth issues though since the bluetooth connection issues are exactly the same with both my pebbles regardless of the toggles.
Thanks for adding those though, I'm really glad you are working with the community to figure this out, even if there ends up being nothing that can be done.