NEW 188544
Synchronously defined custom elements don't get foster-parented 
https://bugs.webkit.org/show_bug.cgi?id=188544
Summary Synchronously defined custom elements don't get foster-parented
Ryosuke Niwa
Reported 2018-08-14 00:08:57 PDT
Apparently, I unintentionally disabled foster parenting for synchronously defined custom elements. On one hand, this doesn't match the spec. On the other hand, being able to define custom elements anywhere seems useful especially given there doesn't seem to be any compact issues (given WebKit has been shipping this behavior for two years).
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Add attachment proposed patch, testcase, etc.
Ahmad Saleem
Comment 1 2022-08-09 13:42:43 PDT
rniwa@webkit.org - Safari is passing foster parenting test on WPT: https://wpt.fyi/results/html/syntax/parsing/template/additions-to-foster-parenting?label=master&label=experimental&aligned&view=subtest&q=foster%20parent Is this required or it is different issue and WPT does not have coverage for this?
Ryosuke Niwa
Comment 2 2022-08-09 23:59:26 PDT
This is still broken with respect to custom elements.
Radar WebKit Bug Importer
Comment 3 2022-08-10 10:54:55 PDT
<rdar://problem/98460010>
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