<img . decoding="async" .> bug on JDK/JFX19 (MacOS) WebView/WebEngine

[Kevin Rushforth]

I can reproduce it. It renders fine on Windows and Linux, and fails to 
render on Mac. I also confirmed that removing the async works.

I filed https://bugs.openjdk.org/browse/JDK-8305674 to track this. It 
reproduces with a simplified html file (a single image). Thanks for 
reporting it.

-- Kevin


On 4/5/2023 11:04 AM, Jerry Kramskoy wrote:
>
> Hi Guys,
>
> Any <img … decoding=”async” …> does not get rendered on JDK/JFX19 
> (MacOS) WebView/WebEngine
>
> Works fine on Windows 10.
>
> This shows up with WordPress 6.1 up, whose default is to using async 
> decoding to speed up Web page loading.
>
> This can be disabled via a WordPress API call, but this then penalises 
> SEO scoring.
>
> Are you aware of this?   I’m guessing the ECMAScript engine that ships 
> with MacOS version of WebView/WebEngine doesn’t support async.
>
> It doesn’t show up in browsers on MacOS (11 …)
>
> I’ve attached a standalone html file that demonstrates the problem.  
> If the ‘decoding=”async” is edited out, all works.
>
> Thanks, Jerry Kramskoy
>
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