+1 that this is an information disclosure risk, not just a fingerprinting risk, especially if (as the IRC log above suggests), there are known direct cases of sites using getComputedStyle to detect whether the user has an accessibility mode turned on. I would think that for color (as opposed to other properties that affect layout), lying in getComputedStyle is an effective mitigation, as in :visited/history sniffing. In this case it might also require limitations on new media queries. -- GitHub Notification of comment by npdoty Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/5710#issuecomment-764845677 using your GitHub account -- Sent via github-notify-ml as configured in https://github.com/w3c/github-notify-ml-configReceived on Thursday, 21 January 2021 18:22:49 UTC
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