-webkit-text-orientation: upright is ignored if font-feature-settings is set and if the font is YuMincho. It looks like both conditions are required to reproduce. STEPS: 1. Open attached upright-fwid.html 2. See the only last paragraph is sideways EXPECTED: All paragraphs in upright.
Created attachment 270320 [details] text-orientation: upright with font-feature-settings and YuMincho
<rdar://problem/24439611>
Oh, this is because our complex text code path doesn't support stacked latin text. It never did. Font features just forces you down the complex text code path.