New features

• Smoother page expand and collapse animations (comparison video).
• New animators: scale and none. Thanks @paolovalerdi!
• Dimming of page when it is pulled past the collapse threshold (video).

Visually breaking changes

• Pull-to-collapse threshold changed to 56dp (doc).
• Pull-to-collapse friction factor reduced from 4f to 3.5f (doc).
• Dimming is now applied to both list and page (doc).