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CSS checker enhancement request; output full details of each error’s location, including errors inside @imports

enhancement

Status: Open.

#491 In w3c/css-validator;

· CecilSWard opened on Mar 12, 2026

CSS checker request for enhancement; scanning the contents of @imports should be an option

enhancement

Status: Open.

#490 In w3c/css-validator;

· CecilSWard opened on Mar 12, 2026

"not a valid color 3 or 6 hexadecimals numbers" incorrect checker

Status: Open.

#489 In w3c/css-validator;

· itsgroup-co-nz opened on Mar 11, 2026

Failing tests at https://jigsaw.w3.org/css-validator/autotest/client/sample.html

Status: Open.

#488 In w3c/css-validator;

· tenzap opened on Mar 9, 2026

issue with test testsuite/bugs/4469.css

Status: Open.

#487 In w3c/css-validator;

· tenzap opened on Mar 8, 2026

The validator throws an error when nesting CSS.

Status: Open.

#481 In w3c/css-validator;

· RioBrewster opened on Feb 26, 2026

CSS clip-path w/o path()

Status: Open.

#480 In w3c/css-validator;

· xerc opened on Feb 18, 2026

Scrollbar-gutter property

Status: Open.

#479 In w3c/css-validator;

· lvcivsivnivsbrvtvs3-art opened on Feb 15, 2026

Don't warn against SVG-related properties: x, y, d, r, rx, ry, cx, cy

Status: Open.

#477 In w3c/css-validator;

· 1jj opened on Jan 20, 2026

CSS value

Status: Open.

#476 In w3c/css-validator;

· wildfiremedia opened on Dec 29, 2025

@font-feature-values CSS at-rule marked as unrecognized.

Status: Open.

#475 In w3c/css-validator;

· Electricz0 opened on Dec 22, 2025

Property does not exist error on container queries

Status: Open.

#474 In w3c/css-validator;

· abbott567 opened on Dec 19, 2025