XL+ Upgrade Clarification

XL+

• Improved 360 cooling (same as MK4S and CORE One)
• New Eddy-current sensor (similar to INDX) for 20x faster and better tool alignment
• GT1.5 belts
• High flow nozzle as default
• Nozzle wiper
• Enclosure can now reach 50 °C
  • Soon to be available active chamber heater can push it to 60 °C
• Improved cooling for electronics

Can we know what is in this upgrade that cost $600??