The following WOFF2 tests fail on GTK: imported/w3c/web-platform-tests/css/WOFF2/tabledata-glyf-bbox-001.xht imported/w3c/web-platform-tests/css/WOFF2/tabledata-glyf-origlength-001.xht imported/w3c/web-platform-tests/css/WOFF2/tabledata-glyf-origlength-002.xht imported/w3c/web-platform-tests/css/WOFF2/tabledata-recontruct-loca-001.xht The pages display the "PASS" text as expected, but they have some spacing difference compared to the expectation.