Not sure but I can tell you one of my 13 GPU mining rigs has been mining fine the past day or so with 1803 installed. A few months ago the rig crashed on 1803 and I reverted back to 1801. Then I disabled the Windows Update Service.
However it automatically enabled itself later and updated again to 1803. I shut it down after that for a few weeks when it was really hot out - this rig is in my home office and I was not going to deal with the heat lol! Now that it is getting cooler out I fired it up again and it has not crashed since with 1803. My Asus Mining Expert optimization utility that shows all the GPUs connected still does not work in 1803 but I never really used the software anyways. Hash rates are the same for 1801 and 1803.
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However it automatically enabled itself later and updated again to 1803. I shut it down after that for a few weeks when it was really hot out - this rig is in my home office and I was not going to deal with the heat lol! Now that it is getting cooler out I fired it up again and it has not crashed since with 1803. My Asus Mining Expert optimization utility that shows all the GPUs connected still does not work in 1803 but I never really used the software anyways. Hash rates are the same for 1801 and 1803.