USB C power delivery chargers will work the same as before, but if something wants to claim USB 4 compatibility they're required to support power delivery char

USB C power delivery chargers will work the same as before, but if something wants to claim USB 4 compatibility they're required to support power delivery charging (it's an optional part of USB 3). So if you want to make sure chargers all work USB 4 ought to be a good opportunity for you.