Ps4 500gb, EVA Tested in flight: kerban, orbiting mun, mimnus, Duna, and eve. Also landed on: Kerban, mun, mimnus, and Duna.
Eva user interface bug: while performing an Eva holding onto a ladder (any type) collecting data from a science Jr or mystery goo you will receive the window message "this will render the module inoperable" (or something like that) if you hit "x" on your controller to confirm yes or no you will let go of the ladder.
Easy work around: when prompted to select yes or no. Activate your cursor and select yes or no with that instead. You will still gather your data and not let go of the ladder.
I'm not 100% sure it's a bug, but it was confusing to me.