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Explainer https://gist.github.com/cbiesinger/f2378dbcd215495c3a1daf9696a8e91f Specification https://drafts.csswg.org/css-sizing-4/#last-remembered Summary Support for the "auto" keyword in contain-intrinsic-size lets web sites use the last remembered size of an element (if any), which providers for a better user experience as elements have size containment turned on and off, e.g. through content-visibility: auto. Blink component Blink>Layout Search tags contain-intrinsic-size, contain intrinsic size, auto TAG review https://github.com/w3ctag/design-reviews/issues/624 TAG review status Pending Risks Interoperability and Compatibility No compat risk; all existing CSS will continue to work unchanged. Interop risk: if web developers only use the new syntax, then content will be sized as 0x0. They can use the usual CSS fallback syntax to avoid this, like: contain-intrinsic-size: 100px 100px; contain-intrinsic-size: auto 100px auto 100px; Gecko: No signal (https://github.com/mozilla/standards-positions/issues/512) dholbert wrote in the standards position issue that "In general the feature seems reasonable" WebKit: No signal (https://lists.webkit.org/pipermail/webkit-dev/2021-April/031787.html) Web developers: Positive (https://github.com/w3c/csswg-drafts/issues/5815) Ergonomics Possible risk is that this requires using resize observer internally to get the last rendered size. We think this will not be an issue in practice. Activation Very easy; easier than the existing contain-intrinsic-size (which is the point) Security n/a Debuggability Same as any other CSS property. Is this feature fully tested by web-platform-tests? No Flag name Requires code in //chrome? False Tracking bug https://bugs.chromium.org/p/chromium/issues/detail?id=1199460 Estimated milestones No milestones specified Link to entry on the Chrome Platform Status https://chromestatus.com/feature/6740477866934272 Links to previous Intent discussions Intent to prototype: https://groups.google.com/a/chromium.org/g/blink-dev/c/loqGn7N9hzU/m/mRDdLA_cAgAJ This intent message was generated by Chrome Platform Status. -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAPTJ0XHLej%2Bj780bKfiVBTTpOkHba9KBJJ33VGWvLtNw%3DjU%3Dkw%40mail.gmail.com.
