1. Optimize the accuracy of identifying the nozzle type.
2. Add a warning for open circuit of the buildpate and chamber sensors.
3. In the non-printing state, when the printhead is not in place, each axis can be moved.
4. Solve the problem that printing is not possible under special circumstances of power-off resume printing.
5. Modify the heating timeout limits for the nozzle, buildpate, and chamber.
6. Modify the maximum alarm temperatures of the nozzle, buildpate, and chamber.
7. Optimize the out-of-material alarm during single-extruder printing.