I found the reason this is happening, but not how to fix it. On 4.16 the terrain is locked at about 1/4 the resolution (1K vs 4K) as it was on 4.14 which I could draw a perfect circle on.
I found the reason this is happening, but not how to fix it. On 4.16 the terrain is locked at about 1/4 the resolution (1K vs 4K) as it was on 4.14 which I could draw a perfect circle on.