Sewing system, non-transitory computer-readable medium, and sewing machine

A sewing system including a sewing machine and a terminal device capable of communicating with the sewing machine, wherein

• the terminal device includes
• an input portion,
• a device processor, and
• a device memory storing computer-readable instructions that, when executed by the device processor, instruct the device processor to perform processes comprising:
• acquiring sewing data including needle drop position data representing needle drop positions in sewing an embroidery pattern with the sewing machine;
• receiving an edit operation, on the input portion, to edit the embroidery pattern;
• transmitting, to the sewing machine, at least some of the sewing data, during the receiving the edit operation;
• and
• transmitting, to the sewing machine, edit data according to the edit operation, after starting the transmitting the at least some of the sewing data, and
• the sewing machine includes
• a needle bar configured to move up and down,
• a sewing processor, and
• a sewing memory storing computer-readable instructions that, when executed by the sewing processor, instruct the sewing processor to perform processes comprising:
• receiving the sewing data transmitted by the terminal device;
• receiving the edit data transmitted by the terminal device;
• and
• controlling the needle bar to perform sewing the embroidery pattern edited in accordance with the edit operation, based on the sewing data and the edit data after reception both of the sewing data and the edit data is complete.