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Add WPT mediasession permission policy tests, following on https://github.com/w3c/mediasession/pull/299
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### Node.js Version
v23.0.0-pre
### NPM Version
9.8.1
### Operating System
Darwin Anils-MacBook-Pro.local 23.2.0 Darwin Kernel Version 23.2.0: Wed Nov 15 21:53:18 PST 2023; root:xnu-10002.61.3~2/…
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There are a bunch of specifications which might be promoted to be in the Official Definition section.
# [Media Queries 4](https://www.w3.org/TR/mediaqueries-4/)
Current status: CRD (last publish…
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## [`Element.requestFullscreen()`](https://developer.mozilla.org/en-US/docs/Web/API/Element/requestFullscreen) returns `Promise`
[Source](https://github.com/rust-windowing/winit/blob/fc046add78f676…
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Servo recently switched to Ubuntu 22.04 for the nightly builds, which meant that binary links against glibc 2.34. This has [broken](https://github.com/web-platform-tests/wpt/runs/18833574018) the task…
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Various ways a canvas might be hidden
- canvas not visible and off the page
- canvas not in the DOM
- CSS display:none
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I am working on updating the Web Platform Tests in #54468, but ran into an issue occuring with `AbortSignal`. I narrowed down the issue to a minimal reproduction, with leads to an `ERR_INTERNAL_ASSERT…
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### Your question
I have a handful of questions about varying aspects of Sitespeed.io's functionality:
- When performing a comparison in features between Sitespeed.io and Webpagetest, the waterfal…
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* wpt.fyi not updating
* Safari Updates
* Mobile-specific regressions
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I'm glad to see some proposals to improve Push API e.g. #360. But I think we need to first establish a good infrastructure to make this API testable and get some shared test cases before adding anythi…