ron_sutherland:
Full swing has been gone for three yearsIn AT15007 it seems to say the full swing is still in place, but the current datasheet shows it is gone. Should I trust the datasheet or the application note. I can tell you that parts with certification follow the datasheet and the application note is treated as gossip. I am not using the full swing, so it is not my problem.
Full swing seems to have been removed in the 328pb part, but I disagree with how you said it - you made it seem like full swing is gone everywhere (which, of course, is not true).
I sure hope that the oscillator circuit has been improved because low power mode in the other AVR devices is fragile and susceptible to noise and stray capacitance (like fingers, for example).