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[DRAFT] Add scaffolding for feature-level interop scoring - #278

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[DRAFT] Add scaffolding for feature-level interop scoring#278
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feature-level-interop-1

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@yulunwu2 yulunwu2 commented Aug 13, 2026

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Adds feature-level-interop.js (based off of browser-specific-failures.js)
and extends build.sh to call into it with the expected arguments.

Note that feature level interop is just a stub at the moment, with
the logic for feature group, scoring, etc to be implemented after
further discussion with the interop team.

Feature level scoring will depend on labeling in the web-platform-dx/web-features project.
Scoring by test count alone lets features with thousands of tests dominate those
with only a handful, and an aggregate pass rate/count says more about how tests
are written than about how interoperable the web actually is.

Adds feature-level-interop.js (based off of browser-specific-failures.js)
and extends build.sh to call into it with the expected arguments.

Note that feature level interop is just a stub at the moment, with
the logic for feature group, scoring, etc to be implemented after
further discussion with the interop team.

Feature level scoring will depend on labeling in the web-platform-dx/web-features project.
Scoring by test count alone lets features with thousands of tests dominate those
with only a handful, and an aggregate pass rate/count says more about how tests
are written than about how interoperable the web actually is.
@yulunwu2

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This is a draft PR blocked on: #279

@yulunwu2 yulunwu2 changed the title Add scaffolding for feature-level interop scoring [DRAFT] Add scaffolding for feature-level interop scoring Aug 13, 2026
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