It's reported that microsoft brings back the iconic mouse,the classic intellinMouse.And this mouse have added three Kailh switches for the middle wheel button and side buttons.They also made a huge improvement to the two side button.They now feel snappy and crisp and have just the right force and click to them.
This is the address about the report:
https://blogs.windows.com/devices/2018/06/26/a-legend-reborn-microsoft-brings-back-the-iconic-mouse-the-classic-intellimouse/#MXXP1dO4h1QVFQLX.97