The Hatch Embroidery 3.1.5 update contains the following Freehand tool improvements...
Problems have been reported when using Freehand tools with auto-scrolling enabled. During auto-scrolling, jagged lines or loops are created. The problem has been rectified with the current update.
Note: When using a pen and tablet, the tablet needs to be in relative positioning or ‘mouse’ mode for autoscroll to work.