See https://github.com/w3c/csswg-drafts/issues/1432#issuecomment-745549275 Right now, we "pass" this test and neighboring tests: https://wpt.fyi/results/css/vendor-imports/mozilla/mozilla-central-reftests/align3/flex-abspos-staticpos-align-content-001.html https://wpt.fyi/results/css/vendor-imports/mozilla/mozilla-central-reftests/align3/flex-abspos-staticpos-justify-content-001.html But based on my notes in my above-linked github comment, I think the spec changed to say these properties don't impact the abspos child's static position, and we need to update our implementation accordingly (for flex as well as grid).
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See https://github.com/w3c/csswg-drafts/issues/1432#issuecomment-745549275 Right now, we "pass" this test and neighboring tests: https://wpt.fyi/results/css/vendor-imports/mozilla/mozilla-central-reftests/align3/flex-abspos-staticpos-align-content-001.html https://wpt.fyi/results/css/vendor-imports/mozilla/mozilla-central-reftests/align3/flex-abspos-staticpos-justify-content-001.html But based on my notes in my above-linked github comment, I think the spec changed to say these properties don't impact the abspos child's static position, and we need to update our implementation accordingly.