Just kidding... Adding a comment. I am not seeing the crash notification or having any issues with the keyboard but it's being reported under the battery page. I did get one crash notification when in the battery page but none while typing in apps.. strange.
I just saw an Android Police article in which they detailed the new look of One UI 4.0. A screen shot of Device Care showed one issue found: Gboard having high battery use and/or frequent crashes. Unless you wrote that article, this must be a common issue for many.