Re: [csswg-drafts] [resize-observer] devicePixelContentBoxSize is always present in ResizeObserverEntry whether or not it's being observed (#6608)

It looks like this issue has gone stale for a while.

Noting that Safari never implemented ResizeObserver for high DPI support: https://bugs.webkit.org/show_bug.cgi?id=219005

Which is important for removing a source of moire artifacts on canvas WebGL/WebGPU rendered content. See e.g. https://webgpu.github.io/webgpu-samples/?sample=resizeObserverHDDPI

It would be great to end up with a state of the spec that would also work to get 1:1 pixel perfect canvas rendering also on Safari.

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Received on Sunday, 28 December 2025 00:44:37 UTC