RESOLVED FIXED170824
subpixelAntialiasedLayerText breaks CSS opacity transition 
https://bugs.webkit.org/show_bug.cgi?id=170824
Summary subpixelAntialiasedLayerText breaks CSS opacity transition
Jer Noble
Reported 2017-04-13 13:07:55 PDT
Enabling subpixelAntialiasedLayerText breaks a CSS opacity transition.
Attachments
Add attachment proposed patch, testcase, etc.
Jer Noble
Comment 1 2017-04-13 13:08:44 PDT
Load the test case URL <https://jernoble.github.io/shoulditweet/>, then click and hold on the middle of the Magic 8 ball. The interior triangle should smoothly fade between opacity:1 and opacity:0. Instead the animation is clamped at 0 for the duration of the transition.
Radar WebKit Bug Importer
Comment 2 2017-04-13 13:09:28 PDT
<rdar://problem/31612535>
Simon Fraser (smfr)
Comment 3 2017-10-25 16:10:18 PDT
The fix for this shipped in macOS High Sierra.
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