← back to v133 · secure-rust-font-stack
conformance · v133
v133 · secure-rust-font-stack — conformance probe
5 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.
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pass
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fail
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| id | contract | kind | verdict | detail |
|---|---|---|---|---|
font-family-still-supported |
font-family continues to be supported (the rust font stack is an internal implementation; the API surface is unchanged). | css-supports | … | |
fontface-constructor-supported |
The FontFace constructor is exposed. | exists | … | |
document-fonts-supported |
document.fonts (FontFaceSet) is exposed. | script | … | |
document-fonts-ready-promise |
document.fonts.ready returns a Promise. | script | … | |
canvas-measureText-still-works |
Canvas2D measureText continues to work, exercising the rust font stack. | script | … |