Today's update includes the following changes:
- 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.