Today's update includes the following changes: [list] [*]Added the ability to delete the dragged instructions by pressing the delete key or dropping them outside of the program grid. [*]Added a rotation button to the solution shifting tool. [*]Added support for rotating dragged parts with the scroll wheel. [*]Modified histograms to show your old solution scores when they change. [*]Modified the icon for the hydrogen shunt instruction to be easier to read. [*]Fixed a bug where you could start a new solitaire game while dragging cards. [/list]