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Minimize fingerprintable bits in screen labels - #167

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w3c:mainfrom
Rogerme22:rogerme22-fix-window-management
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Rogerme22 wants to merge 1 commit into
w3c:mainfrom
Rogerme22:rogerme22-fix-window-management

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@Rogerme22

@Rogerme22 Rogerme22 commented Oct 1, 2026 •

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This change tightens the privacy guidance for ScreenDetailed.label to minimize fingerprinting.

The spec now advises user agents to use short, generic labels and explicitly prohibits including display serial numbers, hardware model or vendor names, or other stable device-identifying metadata. The related privacy and usage documentation is updated as well.

Related issue: #166


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Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
@reillyeon

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@michaelwasserman, can you take a look at this?

I agree with the general intent of this change but I'd like to see more examples of typical monitor configurations and the labels that could be used to convince me that generic labels can be sufficiently descriptive for the user if they see them in site UI.

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