As more info about the Book of the Dead got revealed during the past few days, I can't help but think about how exactly do the developers plan to handle what I believe to be one of the bigger issues with undead player characters: immunities.
As of Second Edition, most undead are immune to death effects, disease, paralyze, poison, sleep (or unconscious if it never rests at all), which is quite the baggage of stuff to be immune to.
How do you think these immunities could/should be handled? Should they be left as is, tweaked or removed altogether?