And thats where I disagree with the whole argument of PT R2 vs OT R2.....things were clunkier, and more archaic in the OT....everything was made too slick and perfect in the PT, including R2. You want your characters to have limitations....that way you feel genuine suspense when they're in danger....or possibly about to fail at something they're trying to accomplish. The PT had no such suspense because of how they would just switch to CG anytime they couldn't accomplish something with a physical droid. Instead of having the same limitations that the real R2 units had in '76, '79, and '82 they were now able to have the droids do ANYTHING. If AOTC had been made 30 years ago R2 would have turned around, gone back the way he came, and found an alternate route to where he was trying to get to....OR alternatively he would have found a port, plugged in and saved the day that way....from a distance (the same way he shuts down the garbage compactor in ANH).......in the PT he's got a tool for literally EVERY possible situation and therefore has far more confidence than he does in the OT. So the character IS changed and definitely FEELS different.