I'm on 1803. Took the car in to the dealership to ask them about 1810 and whether they could put me on the latest software version due to issues to misreading of road signs, infotainment slow and occasionally crashes, I probably also suffer the ACC issues but have never turned them on because of the faults we know exist. The Technician said he would take a look and let me know what they could do. When I picked the car up all they had upgraded was the infotainment software and I was left on 1803. I queried this and the Technician said the Cupra have advised no upgrades from 1803 to 1804 as it "does not solve anything" and that I should wait for 1810. He didn't have a date for 1810 but thought in the new year, and they would be in touch.