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This page documents the implementation status of various HTML and CSS features in Blitz.

CSS PropertiesHTML ElementsEventsWPT TestsWPT History

This page documents Blitz's scores on the "css" subsuite of the Web Platform Tests.

wpt / css / css-multicol / crashtests

Score history
1 month3 months6 months1 year2 years4 yearsAll time
0%20%40%60%80%100%Sep 2026css/css-multicol/crashtests

Data from commit:
ab0e30b Give form controls a UA default font-family (#940) (2026-09-25)

AreaInterop ScoreTestsTest %SubtestsSubtest %
Total100.00%(132/132)100.00%(132/132)100.00%
TestSubtestsSubtest %Status
add-list-item-marker.html(1/1)100.00%PASS
ancestor-toggle-spanner-remove-child.html(1/1)100.00%PASS
as-baseline-aligned-grid-item.html(1/1)100.00%PASS
balance-break-inside-avoid-on-root.html(1/1)100.00%PASS
balance-with-forced-break.html(1/1)100.00%PASS
balancing-flex-item-trailing-margin-freeze.html(1/1)100.00%PASS
balancing-tall-borders-freeze.html(1/1)100.00%PASS
block-flow-split-with-fixed-child.html(1/1)100.00%PASS
block-in-inline-become-float.html(1/1)100.00%PASS
block-in-inline-with-abspos-after-spanner.html(1/1)100.00%PASS
block-in-inline-with-spanner-in-overflowed-parent-nested-multicol.html(1/1)100.00%PASS
block-in-inline-with-spanner-in-overflowed-parent.html(1/1)100.00%PASS
body-becomes-spanner-html-becomes-vertical-rl.html(1/1)100.00%PASS
break-before-multicol-caption.html(1/1)100.00%PASS
chrome-bug-1293905.html(1/1)100.00%PASS
chrome-bug-1297118.html(1/1)100.00%PASS
chrome-bug-1301281.html(1/1)100.00%PASS
chrome-bug-1303256.html(1/1)100.00%PASS
chrome-bug-1314866.html(1/1)100.00%PASS
continuation-detach.html(1/1)100.00%PASS
dynamic-simplified-layout-break-propagation.html(1/1)100.00%PASS
first-letter-column-span-fieldset.html(1/1)100.00%PASS
fit-content-with-spanner-and-auto-scrollbar-sibling.html(1/1)100.00%PASS
float-becomes-non-float-spanner-surprises-inside.html(1/1)100.00%PASS
float-becomes-spanner-remove-child.html(1/1)100.00%PASS
float-becomes-spanner.html(1/1)100.00%PASS
float-beside-whitespace-ruby.html(1/1)100.00%PASS
float-cannot-be-spanner.html(1/1)100.00%PASS
float-multicol-crash.html(1/1)100.00%PASS
floated-input-in-inline-next-column.html(1/1)100.00%PASS
forced-break-in-oof-in-column-balancing-nested.html(1/1)100.00%PASS
forced-break-in-oof-in-column-balancing.html(1/1)100.00%PASS
inline-become-oof-container-make-oof-inflow.html(1/1)100.00%PASS
inline-float-parallel-flow.html(1/1)100.00%PASS
inline-with-spanner-in-overflowed-container-before-multicol-float.html(1/1)100.00%PASS
interleaved-bfc-crash.html(1/1)100.00%PASS
margin-and-break-before-child-spanner.html(1/1)100.00%PASS
monolithic-oof-in-clipped-container.html(1/1)100.00%PASS
move-linebreak-to-different-column.html(1/1)100.00%PASS
move-newline-pre-text.html(1/1)100.00%PASS
multicol-at-page-boundary-print.html(1/1)100.00%PASS
multicol-block-in-inline-crash.html(1/1)100.00%PASS
multicol-cached-consumed-bsize-crash.html(1/1)100.00%PASS
multicol-column-change-crash.html(1/1)100.00%PASS
multicol-dynamic-contain-crash.html(1/1)100.00%PASS
multicol-dynamic-transform-crash.html(1/1)100.00%PASS
multicol-floats-after-column-span-crash.html(1/1)100.00%PASS
multicol-floats-in-ifc.html(1/1)100.00%PASS
multicol-parallel-flow-after-spanner-in-inline.html(1/1)100.00%PASS
multicol-table-caption-parallel-flow-after-spanner-in-inline.html(1/1)100.00%PASS
multicol-with-monolithic-oof-with-multicol-with-oof.html(1/1)100.00%PASS
multicol-with-oof-in-multicol-with-oof-in-multicol.html(1/1)100.00%PASS
negative-margin-on-column-spanner.html(1/1)100.00%PASS
nested-as-balanced-legend.html(1/1)100.00%PASS
nested-as-nested-balanced-legend.html(1/1)100.00%PASS
nested-floated-multicol-with-tall-margin.html(1/1)100.00%PASS
nested-multicol-and-float-with-tall-padding-before-float.html(1/1)100.00%PASS
nested-multicol-and-float-with-tall-padding.html(1/1)100.00%PASS
nested-multicol-fieldset-tall-trailing-border-freeze.html(1/1)100.00%PASS
nested-multicol-fieldset-tall-trailing-padding.html(1/1)100.00%PASS
nested-multicol-in-svg-foreignobject.html(1/1)100.00%PASS
nested-multicol-nested-flex.html(1/1)100.00%PASS
nested-multicol-spanner-reframe.html(1/1)100.00%PASS
nested-multicol-with-float-between.html(1/1)100.00%PASS
nested-oof-multicol-with-monolithic-child.html(1/1)100.00%PASS
nested-oof-multicol-with-oof-needing-additional-columns.html(1/1)100.00%PASS
nested-oof-multicol-with-padding.html(1/1)100.00%PASS
nested-spanner-with-negative-margin.html(1/1)100.00%PASS
nested-with-fragmented-oof-negative-top-offset.html(1/1)100.00%PASS
nested-with-multicol-table-caption.html(1/1)100.00%PASS
nested-with-multicol-table-cell.html(1/1)100.00%PASS
nested-with-oof-inside-fixed-width.html(1/1)100.00%PASS
nested-with-percentage-size-and-oof.html(1/1)100.00%PASS
nested-with-tall-padding-and-oof.html(1/1)100.00%PASS
nested-with-tall-padding-and-spanner-and-content.html(1/1)100.00%PASS
nested-with-tall-padding.html(1/1)100.00%PASS
oof-becomes-spanner.html(1/1)100.00%PASS
oof-in-additional-column-before-spanner.html(1/1)100.00%PASS
oof-in-area-001.html(1/1)100.00%PASS
oof-in-area-002.html(1/1)100.00%PASS
oof-in-area-003.html(1/1)100.00%PASS
oof-in-area-004.html(1/1)100.00%PASS
oof-in-area-005.html(1/1)100.00%PASS
oof-in-nested-line-float.html(1/1)100.00%PASS
oof-in-oof-multicol-in-multicol-spanner-in-multicol.html(1/1)100.00%PASS
oof-in-oof-multicol-in-relpos-in-oof-in-multicol-in-multicol.html(1/1)100.00%PASS
oof-in-oof-multicol-in-relpos-spanner-in-multicol-in-relpos-multicol-in-multicol.html(1/1)100.00%PASS
oof-in-oof-multicol-in-relpos-spanner-in-spanner-multicol-in-multicol-in-multicol.html(1/1)100.00%PASS
oof-in-oof-multicol-in-spanner-in-multicol-in-spanner-in-nested-multicol.html(1/1)100.00%PASS
oof-in-oof-multicol-in-spanner-in-nested-multicol.html(1/1)100.00%PASS
oof-in-relpos-in-oof-multicol-in-oof-in-relpos-in-oof-multicol-in-multicol.html(1/1)100.00%PASS
oof-in-relpos-in-oof-multicol-in-relpos-in-oof-multicol-in-relpos-multicol.html(1/1)100.00%PASS
oof-in-spanner-in-relpos-in-multicol-in-relpos-multicol-001.html(1/1)100.00%PASS
oof-in-spanner-in-relpos-in-multicol-in-relpos-multicol-002.html(1/1)100.00%PASS
oof-in-table-row.html(1/1)100.00%PASS
oof-nested-multicol-inside-oof.html(1/1)100.00%PASS
outline-move-oof-with-inline.html(1/1)100.00%PASS
relayout-fixedpos-in-abspos-in-relpos-in-nested-multicol.html(1/1)100.00%PASS
relayout-nested-with-oof.html(1/1)100.00%PASS
relpos-inline-with-abspos-multicol-gets-block-child.html(1/1)100.00%PASS
relpos-spanner-with-spanner-child-becomes-regular.html(1/1)100.00%PASS
remove-spanner-after-spanner-in-inline-before-inline.html(1/1)100.00%PASS
remove-spanner-in-table-caption-nested-multicol.html(1/1)100.00%PASS
remove-transform-descendant-becomes-spanner-remove-spanner-child.html(1/1)100.00%PASS
repeated-section-in-nested-table-nested-multicol.html(1/1)100.00%PASS
repeated-table-column.html(1/1)100.00%PASS
repeated-table-footer-in-caption-nested-multicol.html(1/1)100.00%PASS
restricted-height-bottom-border-overflow-and-spanner.html(1/1)100.00%PASS
scrollable-spanner-in-nested.html(1/1)100.00%PASS
shrink-column-height-block-with-margin-in-inline.html(1/1)100.00%PASS
size-containment-become-multicol-add-inline-child.html(1/1)100.00%PASS
spanner-after-parallel-flow.html(1/1)100.00%PASS
spanner-in-inline-after-very-tall-content-001.html(1/1)100.00%PASS
spanner-in-inline-after-very-tall-content-002.html(1/1)100.00%PASS
spanner-in-overflowed-clipped-container.html(1/1)100.00%PASS
spanner-in-overflowed-container-before-float.html(1/1)100.00%PASS
spanner-in-overflowed-container-before-inline-content.html(1/1)100.00%PASS
spanner-in-relpos-in-abspos-multicol-in-multicol.html(1/1)100.00%PASS
spanner-inside-inline-in-overflowed-container.html(1/1)100.00%PASS
specified-height-with-just-spanner-and-oof.html(1/1)100.00%PASS
sticky-in-abs-in-sticky.html(1/1)100.00%PASS
table-caption-change-descendant-display-type.html(1/1)100.00%PASS
table-caption-in-clipped-overflow.html(1/1)100.00%PASS
table-caption-inline-block-remove-child.html(1/1)100.00%PASS
table-cell-writing-mode-root.html(1/1)100.00%PASS
text-box-trim-end-and-widows.html(1/1)100.00%PASS
text-in-inline-interrupted-by-float.html(1/1)100.00%PASS
trailing-parent-padding-between-spanners.html(1/1)100.00%PASS
triply-nested-partial-relayout.html(1/1)100.00%PASS
vertical-rl-column-rules-wide-columns.html(1/1)100.00%PASS
video-container-become-multicol.html(1/1)100.00%PASS
zero-column-height.html(1/1)100.00%PASS