It is to align Webkit with Web-Spec: https://drafts.csswg.org/css-pseudo-4/#placeholder-pseudo > All properties that apply to the ::first-line pseudo-element also apply to the ::placeholder pseudo-element. and https://drafts.csswg.org/css-pseudo-4/#first-line-styling > User agents may apply other properties as well except for the following excluded properties: > * writing-mode > * direction > * text-orientation Current Safari Technology Preview 153 behavior is not aligned with Blink / Chromium, Gecko / Firefox and Web-Spec. Chrome Commit to Merge - https://chromium.googlesource.com/chromium/src.git/+/68c32d4e9fe24e25e672095253e0f0b2e709ecf4%5E%21/ Where to merge - https://github.com/WebKit/WebKit/blob/main/Source/WebCore/css/html.css#L762 Thanks!
It seems that it does not fix WPT test but since it is to align with web-spec, I think it is still good to merge this change. So I pushed it without change request and let's see. Thanks!
https://github.com/WebKit/WebKit/pull/4172
Committed 254416@main (b79ce718736d): <https://commits.webkit.org/254416@main> Reviewed commits have been landed. Closing PR #4172 and removing active labels.
<rdar://problem/99846286>
Ahmad do you remember which WPT test is you were alluding to?
(In reply to Karl Dubost from comment #5) > Ahmad do you remember which WPT test is you were alluding to? https://wpt.fyi/results/css/css-pseudo/placeholder-excluded-properties.html?label=master&label=experimental&aligned&view=subtest&q=placeholder-excluded-properties