Shift modifier does not work in S3.3

Hi,

multiple Shift key-related modifiers are not working in Scaler 3.3

  • Quick Scroll Shortcut – Hold the Shift key and scroll the mouse wheel up or

    down to scroll left or right.

  • Hold the Shift key and left-click on a chord or motion clip to mute or unmute it.

    Muted clips appear greyed out. > instead it now creates section!

When user hold Shift and performs action, nothing happens.