Created attachment 404744 [details] [Image] Bug In the light mode, odd rows are lighter than even rows. This is correct. In the dark mode, 1st and 2nd column create a chess board pattern.
<rdar://problem/65841762>
Created attachment 406363 [details] Patch
Created attachment 406364 [details] [Image] Before/after
Committed r265498: <https://trac.webkit.org/changeset/265498> All reviewed patches have been landed. Closing bug and clearing flags on attachment 406363 [details].