There’s one new test at https://wpt.fyi/results/html/semantics/interactive-elements/the-details-element/details-keyboard-activation.html which WebKit already passes — and therefore useful for additional regression coverage. And there’s one new test at https://wpt.fyi/results/html/semantics/interactive-elements/the-details-element/name-attribute.tentative.html which WebKit currently fails — but that’s expected since there’s no WebKit implementation yet for https://github.com/whatwg/html/pull/9400 (but that I plan to write up a patch for myself, in nobody else gets it before I manage to)
Pull request: https://github.com/WebKit/WebKit/pull/16966
<rdar://problem/114688181>