Using 100vw is now scrollbar-aware (in Chrome 145+, under the right conditions)

From Chrome 145 onwards, 100vw will automatically subtract the size of the (vertical) scrollbar from it if you have forced the html element to always show a vertical scrollbar (using overflow[-y]: scroll) or if you reserve space for it (using scrollbar-gutter: stable). The same applies to vh with a horizontal scrollbar, as well as all small, large, and dynamic variants.

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How to Find the public WebKit Bug from the Apple-internal rdar:// Bug ID

If you read the Safari release notes – like the Safari 26.2 release notes – you see a lot of trailing “(12345678)”-mentions in the list of fixed bugs. These numbers are Apple-internal bug IDs, as used within Apple’s internal bug tracker (fka?) named “Radar”.

These numbers are not linked to anything because Radar is Apple-internal, so to external people these numbers are practically useless … or are they?

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Use overscroll-behavior: contain to prevent a page from scrolling while a <dialog> is open

Chrome 144 features a small change to overscroll-behavior: it now also works on non-scrollable scroll containers. While this change might seem trivial, it fixes an issue developers have been dealing with for ages: prevent a page from scrolling while a (modal) <dialog> is open.

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