Creality Slicer preview issue M83

  • Hi all, just got my Ender5 Pro working via microUSB control from Creality Slicer 1.2.3 which is awesome!

    I seem to keep having a problem where I retract at the start of a new print, and I'm pretty sure it's purely because my initial gcode for the printer is using absolute positioning. However, when I switch to relative positioning, I get the following rendering/preview bug. Any ideas on the cause?

    Working using M82:
    Bugged preview using M83:

    This is the code:

    ;Basic settings: Layer height: {layer_height} Walls: {wall_thickness} Fill: {fill_density}
    ;Print time: {print_time}
    ;Filament used: {filament_amount}m {filament_weight}g
    ;Filament cost: {filament_cost}
    ;M190 S{print_bed_temperature} ;Uncomment to add your own bed temperature line
    ;M109 S{print_temperature} ;Uncomment to add your own temperature line
    G21        ;metric values 							#sets units to mm
    G90        ;absolute positioning					#Absolute positions.
    M83        ;set extruder to relative mode		#Absolute positions.
    M107       ;start with the fan off				#Turns off a fan....
    G28 X0 Y0  ;move X/Y to min endstops
    G28 Z0     ;move Z to min endstops
    G1 Z15.0 F{travel_speed} ;move the platform down 15mm
    ; Draw a line. This is for the test line, so it can be a little lower than we need.
    G1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed.
    G1 X0.1 Y20 Z0.3 F5000.0 ; Move to start position
    G1 X0.1 Y200.0 Z0.3 F1500.0 E15 ; Draw the first line
    G1 X0.4 Y200.0 Z0.3 F5000.0 ; Move to side a little
    G1 X0.4 Y20 Z0.3 F1500.0 E15 ; Draw the second line
    ;Move back down and travel to start position.
    G1 Z30.0 F{travel_speed} ;move the platform down 15mm
    G1 F{travel_speed}
    G1 X100 Y100
    G1 Z15.0 F{travel_speed} ;move the platform down 15mm
    ;Put printing message on LCD screen
    M117 Printing...

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