What's actually going on with GrapheneOS at the moment?

I’ve seen the post saying that the lead developer is stepping down, I’ve seen his accusations of abuse. I’ve seen enormous write-ups which make questionable claims about how he’s the devil himself. I’ve seen a lot of rumour and hearsay, and now I’ve got no idea what to think.

Is anyone able to give a short, unbiased summary of what’s going on? (Ultimately, from a selfish point of view, I want to know if the project is likely to fall apart or if this is just bickering between egos!)