Apple Japan's website code references 'Apple Pencil Pro', hinting at the release of a Pro-branded Apple Pencil.The tweaked 'Let Loose' logo suggests possible features for the Apple Pencil Pro, such as the eraser function and haptic feedback.There is a need for clearer separation between the different Apple Pencil models currently available in the iPad lineup.The 'Let Loose' keynote, where Apple may announce the Apple Pencil Pro, will be broadcasted tomorrow with a runtime of just 35 minutes.