[webkit-dev] Request For Position on CSS containment

Rob Buis rbuis at igalia.com
Mon Mar 15 12:57:33 PDT 2021


If true, then https://bugs.webkit.org/show_bug.cgi?id=172026 can be closed.

I am finding the feature in features.json, but I am not sure that means 
there is actual code.

There may be code in RenderLayerBacking, but AFAIU that would mean 
"only" contain: paint and would not be WebExposed? Can somebody check?



Am 15.03.21 um 20:18 schrieb Simon Fraser:
> WebKit supports CSS containment.
> Simon
>> On Mar 15, 2021, at 9:14 AM, Rob Buis via webkit-dev <webkit-dev at lists.webkit.org> wrote:
>> Hi webkit-dev,
>> This is a request for WebKit's position on CSS containment.
>> Our first interest is to implement the contain property as specified here:
>> https://www.w3.org/TR/css-contain-1/
>> After that, we want to work on style containment and the content-visibility property:
>> https://www.w3.org/TR/css-contain-2/
>> Regards,
>> Cathie and Rob.
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>> webkit-dev mailing list
>> webkit-dev at lists.webkit.org
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