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layout: Treat <button> as a widget - #46536

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Loirooriol:button-widget
Jul 16, 2026
Merged

layout: Treat <button> as a widget#46536
mrobinson merged 1 commit into
servo:mainfrom
Loirooriol:button-widget

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@Loirooriol

@Loirooriol Loirooriol commented Jul 15, 2026

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For example, a <button> with display: block will no longer stretch by default, and a <button> with display: inline will be atomic.

Note we were always forcing widgets to behave as having a flow-root inner display type. That wouldn't be correct for <button>, so introduce an exception.

Testing: Some tests pass

@Loirooriol Loirooriol added A-layout/2020 https://github.com/servo/servo/wiki/Layout-2020 T-linux-wpt Do a try run of the WPT labels Jul 15, 2026
@github-actions github-actions Bot removed the T-linux-wpt Do a try run of the WPT label Jul 15, 2026
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🔨 Triggering try run (#29430341975) for Linux (WPT)

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Test results for linux-wpt from try job (#29430341975):

Flaky unexpected result (34)
  • TIMEOUT /FileAPI/url/url-in-tags-revoke.window.html (#19978)
    • PASS [expected TIMEOUT] subtest: Fetching a blob URL immediately before revoking it works in &lt;script&gt; tags.
  • OK /IndexedDB/idbdatabase_deleteObjectStore.any.sharedworker.html (#45919)
    • PASS [expected FAIL] subtest: Deleted object store's name should be removed from database's list. Attempting to use a deleted IDBObjectStore should throw an InvalidStateError
  • CRASH [expected OK] /_webgl/conformance/glsl/functions/glsl-function-sign.html
  • CRASH [expected OK] /_webgl/conformance/textures/misc/tex-image-and-sub-image-2d-with-array-buffer-view.html
  • CRASH [expected OK] /_webgl/conformance/uniforms/no-over-optimization-on-uniform-array-06.html
  • TIMEOUT [expected OK] /cookies/attributes/domain.sub.html
    • TIMEOUT [expected PASS] subtest: No host cookies returned for host cookies after non-host redirect 1

      Test timed out
      

    • NOTRUN [expected PASS] subtest: No host cookies returned for host cookies after non-host redirect 2
    • NOTRUN [expected PASS] subtest: No host cookies returned for host cookies after non-host redirect 3
  • OK /css/css-cascade/layer-cssom-order-reverse.html (#36094)
    • FAIL [expected PASS] subtest: Delete layer invalidates @font-face

      assert_equals: expected "220px" but got "122.8px"
      

  • OK /css/css-fonts/matching/font-unicode-PUA.html
    • PASS [expected FAIL] subtest: PUA character U+F000 is rendered with a non-generic font.
  • OK /css/css-fonts/variations/at-font-face-font-matching.html (#20684)
    • FAIL [expected PASS] subtest: Matching font-weight: '430' should prefer '400 425' over '350 399'

      assert_equals: Unexpected font on test element expected 487 but got 532
      

    • FAIL [expected PASS] subtest: Matching font-style: 'oblique 0deg' should prefer 'oblique 30deg 60deg' over 'oblique 40deg 50deg'

      assert_equals: Unexpected font on test element expected 487 but got 532
      

    • FAIL [expected PASS] subtest: Matching font-style: 'oblique -21deg' should prefer 'oblique 30deg 60deg' over 'oblique 40deg 50deg'

      assert_equals: Unexpected font on test element expected 487 but got 532
      

  • FAIL [expected PASS] /css/css-image-animation/image-animation-img-running-to-normal.tentative.html
  • FAIL [expected PASS] /css/filter-effects/kernel-unit-length-001.html
  • TIMEOUT [expected OK] /dom/nodes/NodeList-static-length-getter-tampered-indexOf-3.html
  • OK [expected TIMEOUT] /fetch/api/redirect/redirect-keepalive.https.any.html (#32153)
    • PASS [expected TIMEOUT] subtest: [keepalive][iframe][load] mixed content redirect; setting up
  • TIMEOUT [expected OK] /fetch/content-encoding/br/big-br-body.https.any.html
  • TIMEOUT [expected OK] /fetch/content-encoding/br/big-br-body.https.any.worker.html
    • TIMEOUT [expected PASS] subtest: large br data should be decompressed successfully

      Test timed out
      

    • NOTRUN [expected FAIL] subtest: large br data should be decompressed successfully with byte stream
  • TIMEOUT [expected OK] /fetch/content-encoding/zstd/big-window-zstd-body.tentative.https.any.html
  • TIMEOUT [expected OK] /fetch/content-encoding/zstd/big-window-zstd-body.tentative.https.any.worker.html
    • TIMEOUT [expected FAIL] subtest: Consuming the body of a resource with too large of a zstd window size should reject

      Test timed out
      

  • ERROR [expected TIMEOUT] /html/browsers/browsing-the-web/history-traversal/pageswap/pageswap-initial-navigation.html (#40387)
  • OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.html (#29056)
    • PASS [expected FAIL] subtest: Cross-origin navigation started from unload handler must be ignored
  • TIMEOUT /html/browsers/history/the-history-interface/001.html (#12580)
    • FAIL [expected PASS] subtest: traversing history must also traverse hash changes

      assert_equals: (this could cause other failures later on) expected "" but got "test"
      

  • CRASH [expected ERROR] /html/browsers/history/the-location-interface/location_replace_session_history.html (#41896)
  • OK /html/browsers/windows/embedded-opener-remove-frame.html (#23867)
    • FAIL [expected PASS] subtest: opener of discarded auxiliary browsing context

      assert_object_equals: property "get" expected function "function opener() {
          [native code]
      }" got function "function opener() {
          [native code]
      }"
      

  • OK /html/semantics/embedded-content/media-elements/media_fragment_seek.html (#24114)
    • FAIL [expected PASS] subtest: Video should seek to time specified in media fragment syntax

      assert_equals: expected 3 but got 0
      

  • OK /html/semantics/embedded-content/media-elements/seeking/seek-to-currentTime.html (#46014)
    • FAIL [expected PASS] subtest: seek to currentTime

      assert_greater_than: seekable ranges expected a number greater than 0 but got 0
      

  • TIMEOUT [expected OK] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_navigate_other_frame_popup.sub.html (#39702)
    • TIMEOUT [expected FAIL] subtest: Sandboxed iframe can not navigate other frame's popup

      Test timed out
      

  • OK /html/semantics/forms/form-submission-0/jsurl-form-submit.tentative.html (#36489)
    • PASS [expected FAIL] subtest: Verifies that form submissions scheduled inside javascript: urls take precedence over the javascript: url's return value.
  • TIMEOUT [expected OK] /html/user-activation/navigation-state-reset-sameorigin.html (#45151)
    • TIMEOUT [expected FAIL] subtest: Post-navigation state reset.

      Test timed out
      

  • OK /html/webappapis/dynamic-markup-insertion/document-write/iframe_005.html (#43671)
    • PASS [expected FAIL] subtest: document.write external script into iframe write back into parent
  • TIMEOUT [expected OK] /pointerevents/compat/pointerevent_touch-action_two-finger_interaction.html (#44693)
    • NOTRUN [expected PASS] subtest: touch two-finger pan on 'touch-action: pan-x pan-y'
    • NOTRUN [expected FAIL] subtest: touch two-finger pan on 'touch-action: pinch-zoom'
  • OK [expected TIMEOUT] /trusted-types/trusted-types-navigation.html?01-05 (#38975)
    • PASS [expected TIMEOUT] subtest: Navigate a window via anchor with javascript:-urls in report-only mode.
    • PASS [expected NOTRUN] subtest: Navigate a window via anchor with javascript:-urls w/ default policy in report-only mode.
    • PASS [expected NOTRUN] subtest: Navigate a frame via anchor with javascript:-urls in enforcing mode.
  • TIMEOUT /trusted-types/trusted-types-navigation.html?06-10 (#37920)
    • FAIL [expected PASS] subtest: Navigate a frame via anchor with javascript:-urls in report-only mode.

      promise_test: Unhandled rejection with value: "Unexpected message received: \"No securitypolicyviolation reported!\""
      

  • CRASH [expected OK] /upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-classic.https.html
  • OK /upgrade-insecure-requests/gen/sharedworker-module-data.meta/unset/fetch.https.html
    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects blocked for fetch to cross-http-downgrade origin and downgrade redirection from https context.

      assert_equals: The resource request should be 'blocked'. expected "blocked" but got "allowed"
      

    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects blocked for fetch to cross-http-downgrade origin and no-redirect redirection from https context.

      assert_equals: The resource request should be 'blocked'. expected "blocked" but got "allowed"
      

    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects blocked for fetch to cross-https origin and downgrade redirection from https context.

      assert_equals: The resource request should be 'blocked'. expected "blocked" but got "allowed"
      

    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects blocked for fetch to same-http-downgrade origin and downgrade redirection from https context.

      assert_equals: The resource request should be 'blocked'. expected "blocked" but got "allowed"
      

    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects blocked for fetch to same-http-downgrade origin and no-redirect redirection from https context.

      assert_equals: The resource request should be 'blocked'. expected "blocked" but got "allowed"
      

    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects blocked for fetch to same-https origin and downgrade redirection from https context.

      assert_equals: The resource request should be 'blocked'. expected "blocked" but got "allowed"
      

  • OK /webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html (#22849)
    • FAIL [expected PASS] subtest: buffer-stitching-2

      assert_approx_equals: Stitched sine‑wave buffers at sample rate 43800 sample[39660] |-2.0246635780694714e-24 - -0.9523686170578003| = 0.9523686170578003 &gt; 0.0038986 expected -0.9523686170578003 +/- 0.0038986 but got -2.0246635780694714e-24
      

Stable unexpected results that are known to be intermittent (23)
  • OK /IndexedDB/idbtransaction-oncomplete.any.html (#42845)
    • FAIL [expected PASS] subtest: IDBTransaction - complete event

      assert_array_equals: lengths differ, expected array ["upgradeneeded", "complete", "success", "opencursor"] length 4, got ["upgradeneeded", "complete", "success"] length 3
      

  • OK /_webgl/conformance/textures/misc/texture-upload-size.html (#21770)
    • FAIL [expected PASS] subtest: WebGL test #45

      assert_true: Texture was smaller than the expected size 2x2 expected true got false
      

    • FAIL [expected PASS] subtest: WebGL test #47

      assert_true: getError expected: INVALID_VALUE. Was NO_ERROR : when calling texSubImage2D with the same texture upload with offset 1, 1 expected true got false
      

    • FAIL [expected PASS] subtest: WebGL test #49

      assert_true: Texture was smaller than the expected size 2x2 expected true got false
      

    • FAIL [expected PASS] subtest: WebGL test #51

      assert_true: getError expected: INVALID_VALUE. Was NO_ERROR : when calling texSubImage2D with the same texture upload with offset 1, 1 expected true got false
      

    • PASS [expected FAIL] subtest: WebGL test #53
    • PASS [expected FAIL] subtest: WebGL test #55
    • PASS [expected FAIL] subtest: WebGL test #57
    • PASS [expected FAIL] subtest: WebGL test #59
    • FAIL [expected PASS] subtest: WebGL test #61

      assert_true: Texture was smaller than the expected size 2x2 expected true got false
      

    • FAIL [expected PASS] subtest: WebGL test #63

      assert_true: getError expected: INVALID_VALUE. Was NO_ERROR : when calling texSubImage2D with the same texture upload with offset 1, 1 expected true got false
      

    • And 6 more unexpected results...
  • OK /beacon/beacon-basic.https.window.html (#41723)
    • FAIL [expected PASS] subtest: Payload size restriction should be accumulated: type = string

      assert_false: expected false got true
      

    • FAIL [expected PASS] subtest: Payload size restriction should be accumulated: type = arraybuffer

      assert_false: expected false got true
      

  • TIMEOUT [expected OK] /credential-management/credentialscontainer-frame-basics.https.html (#39430)
    • TIMEOUT [expected FAIL] subtest: navigator.credentials should be undefined in documents generated from data: URLs.

      Test timed out
      

  • OK /dom/nodes/moveBefore/iframe-document-preserve.window.html (#43152)
    • PASS [expected FAIL] subtest: moveBefore(): cross-origin iframe is preserved: remove self
  • TIMEOUT /fetch/metadata/generated/css-images.sub.tentative.html (#29047)
    • TIMEOUT [expected PASS] subtest: background-image sec-fetch-site - Not sent to non-trustworthy same-origin destination

      Test timed out
      

  • OK /html/browsers/browsing-the-web/navigating-across-documents/refresh/same-document-refresh.html (#34597)
    • FAIL [expected PASS] subtest: Same-Document Referrer from Refresh

      assert_equals: original page loads expected "http://web-platform.test:8000/html/browsers/browsing-the-web/navigating-across-documents/refresh/resources/refresh-with-section.sub.html?url=%23section" but got "http://web-platform.test:8000/html/browsers/browsing-the-web/navigating-across-documents/refresh/resources/refresh-with-section.sub.html?url=%23section#section"
      

  • TIMEOUT [expected OK] /html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/form-requestsubmit.html (#44098)
    • TIMEOUT [expected FAIL] subtest: Replace before load, triggered by formElement.requestSubmit()

      Test timed out
      

  • OK /html/browsers/history/the-history-interface/traverse_the_history_5.html (#21383)
    • PASS [expected FAIL] subtest: Multiple history traversals, last would be aborted
  • TIMEOUT [expected OK] /html/interaction/focus/the-autofocus-attribute/autofocus-dialog.html (#29087)
    • TIMEOUT [expected PASS] subtest: &lt;dialog&gt;-contained autofocus element gets focused when the dialog is shown

      Test timed out
      

  • TIMEOUT [expected OK] /html/interaction/focus/the-autofocus-attribute/supported-elements.html (#24145)
    • TIMEOUT [expected FAIL] subtest: Element with tabindex should support autofocus

      Test timed out
      

    • NOTRUN [expected PASS] subtest: Non-HTMLElement should not support autofocus
    • NOTRUN [expected FAIL] subtest: Host element with delegatesFocus should support autofocus
    • NOTRUN [expected FAIL] subtest: Host element with delegatesFocus including no focusable descendants should be skipped
    • NOTRUN [expected FAIL] subtest: Area element should support autofocus
  • OK [expected TIMEOUT] /html/semantics/embedded-content/media-elements/src_object_blob.html (#40340)
    • PASS [expected TIMEOUT] subtest: HTMLMediaElement.srcObject blob
  • TIMEOUT /html/syntax/parsing/html5lib_write.html?file=processing-instructions (#46205)
    • TIMEOUT [expected FAIL] subtest: &lt;body&gt;&lt;?hey\fthere=1?&gt;

      Test timed out
      

    • TIMEOUT [expected FAIL] subtest: &lt;body&gt;&lt;?something ? &gt;

      Test timed out
      

    • TIMEOUT [expected FAIL] subtest: &lt;body&gt;&lt;?something x &gt;

      Test timed out
      

    • TIMEOUT [expected FAIL] subtest: &lt;body&gt;&lt;?something ?\t ??&gt;

      Test timed out
      

    • TIMEOUT [expected FAIL] subtest: &lt;body&gt;&lt;?zz2op&gt;

      Test timed out
      

    • TIMEOUT [expected FAIL] subtest: &lt;body&gt;&lt;?zz2op data&gt;

      Test timed out
      

    • TIMEOUT [expected FAIL] subtest: &lt;body&gt;&lt;?xla-&gt;

      Test timed out
      

  • OK [expected TIMEOUT] /html/syntax/parsing/html5lib_write_single.html?file=processing-instructions (#46206)
  • TIMEOUT [expected OK] /infrastructure/testdriver/click_nested.html (#43887)
    • NOTRUN [expected FAIL] subtest: TestDriver click method with multiple windows and nested iframe
  • OK [expected ERROR] /intersection-observer/v2/animated-opacity.html (#40827)
  • OK /pointerevents/compat/pointerevent_touch_target_after_pointerdown_target_removed.tentative.html (#42813)
    • FAIL [expected PASS] subtest: After a pointerdown listener removes its target, touch events should be fired on the touchstart target even though an orphan and pointer events should be fired on the parent

      assert_equals: expected "[ { type: pointerdown, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; }, { type: touchstart, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; }, { type: pointermove, target: Element node &lt;div id=\"pointerDownTargetParent\"&gt;&lt;/div&gt; }, { type: pointerup, target: Element node &lt;div id=\"pointerDownTargetParent\"&gt;&lt;/div&gt; }, { type: touchend, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; } ]" but got "[ { type: pointerdown, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; }, { type: touchstart, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; }, { type: pointermove, target: Element node &lt;div id=\"pointerDownTargetParent\"&gt;&lt;/div&gt; }, { type: pointerup, target: Element node &lt;div id=\"pointerDownTargetParent\"&gt;&lt;/div&gt; }, { type: touchend, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; }, { type: pointermove, target: Element node &lt;div id=\"pointerDownTargetParent\"&gt;&lt;/div&gt; }, { type: pointerdown, target: Element node &lt;div id=\"pointerDownTargetParent\"&gt;&lt;/div&gt; } ]"
      

    • FAIL [expected PASS] subtest: After a pointerdown listener removes its target, touchmove event should be fired on the pointerdown target

      assert_equals: expected "[ { type: pointerdown, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; }, { type: touchstart, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; }, { type: pointermove, target: Element node &lt;div id=\"pointerDownTargetParent\"&gt;&lt;/div&gt; }, { type: touchmove, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; }, { type: pointerup, target: Element node &lt;div id=\"pointerDownTargetParent\"&gt;&lt;/div&gt; }, { type: touchend, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; } ]" but got "[ { type: pointerdown, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; }, { type: touchstart, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; }, { type: pointermove, target: Element node &lt;div id=\"pointerDownTargetParent\"&gt;&lt;/div&gt; }, { type: touchmove, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; }, { type: pointerup, target: Element node &lt;div id=\"pointerDownTargetParent\"&gt;&lt;/div&gt; }, { type: touchend, target: Element node &lt;div id=\"pointerDownTarget\"&gt;&lt;/div&gt; }, { type: pointermove, target: Element node &lt;div id=\"pointerDownTargetParent\"&gt;&lt;/div&gt; }, { type: pointerdown, target: Element node &lt;div id=\"pointerDownTargetParent\"&gt;&lt;/div&gt; } ]"
      

    • PASS [expected FAIL] subtest: After a touchstart listener removes its target, touch events should be fired on the touchstart target even though an orphan and pointer events should be fired on the parent
    • PASS [expected FAIL] subtest: After a touchstart listener removes its target, touchmove event should be fired on the pointerdown target
  • OK [expected CRASH] /resource-timing/render-blocking-status-link.html (#41664)
    • FAIL [expected PASS] subtest: Validate render blocking status of link resources in PerformanceResourceTiming

      assert_equals: render blocking status for http://web-platform.test:8000/resource-timing/resources/empty_style.css?stylesheet-head-dynamic-docWrite should be blocking expected (string) "blocking" but got (undefined) undefined
      

  • OK /sanitizer-api/sanitizer-inert-document.html (#45260)
    • FAIL [expected PASS] subtest: Test whether setHTML loads the image.

      promise_test: Unhandled rejection with value: "The server observed a request. It shouldn't have."
      

    • PASS [expected FAIL] subtest: Test whether setHTMLUnsafe loads the image.
  • OK /touch-events/hover-state-caused-by-compatibility-mouse-events.tentative.html (#46277)
    • FAIL [expected PASS] subtest: The compatibility mouse events should set :hover: The compatibility mouse events should be fired

      assert_equals: expected "[{ type: \"mouseover\", target: div.target },{ type: \"mousemove\", target: div.target },{ type: \"mousedown\", target: div.target },{ type: \"mouseup\", target: div.target },{ type: \"click\", target: div.target }]" but got "[]"
      

    • FAIL [expected PASS] subtest: The compatibility mouse events should set :hover, but shouldn't be preserved after the target is replaced: The compatibility mouse events should be fired

      assert_equals: expected "[{ type: \"mouseover\", target: div.target },{ type: \"mousemove\", target: div.target },{ type: \"mousedown\", target: div.target },{ type: \"mouseup\", target: div.target },{ type: \"click\", target: div.target }]" but got "[]"
      

  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?16-20 (#44835)
    • FAIL [expected PASS] subtest: Navigate a frame via area with javascript:-urls in report-only mode.

      promise_test: Unhandled rejection with value: "Unexpected message received: \"No securitypolicyviolation reported!\""
      

    • TIMEOUT [expected PASS] subtest: Navigate a frame via area with javascript:-urls w/ default policy in report-only mode.

      Test timed out
      

  • OK /visual-viewport/resize-event-order.html (#41981)
    • FAIL [expected PASS] subtest: Popup: DOMWindow resize fired before VisualViewport.

      assert_equals: expected "window-attribute,window-addEventListener,visualViewport-attribute,visualViewport-addEventListener" but got ""
      

  • TIMEOUT [expected OK] /webstorage/localstorage-about-blank-3P-iframe-opens-3P-window.partitioned.html (#29053)
    • TIMEOUT [expected FAIL] subtest: StorageKey: test 3P about:blank window opened from a 3P iframe

      Test timed out
      

Stable unexpected results (7)
  • OK /css/css-flexbox/gap-017.html
    • FAIL [expected PASS] subtest: .button 1

      assert_equals: 
      &lt;button class="button" data-expected-height="100"&gt;
        &lt;div class="item"&gt;&lt;/div&gt;
        &lt;div class="item"&gt;&lt;/div&gt;
      &lt;/button&gt;
      height expected 100 but got 80
      

  • OK /css/css-flexbox/gap-018.html
    • PASS [expected FAIL] subtest: .button 1
  • OK /css/css-grid/grid-model/grid-button-001.html
    • FAIL [expected PASS] subtest: [data-expected-width] 1

      assert_equals: 
      &lt;span class="item1" data-expected-width="100"&gt;item 1&lt;/span&gt;
      width expected 100 but got 44
      

    • FAIL [expected PASS] subtest: [data-expected-width] 2

      assert_equals: 
      &lt;span class="item2" data-expected-width="200"&gt;item 2&lt;/span&gt;
      width expected 200 but got 44
      

  • OK /html/rendering/widgets/button-layout/display-other.html
    • PASS [expected FAIL] subtest: display: block
    • PASS [expected FAIL] subtest: display: flow-root
    • PASS [expected FAIL] subtest: display: table
    • PASS [expected FAIL] subtest: display: list-item
    • PASS [expected FAIL] subtest: display: table-cell
    • PASS [expected FAIL] subtest: display: table-caption
  • OK /html/rendering/widgets/button-layout/flex.html
    • FAIL [expected PASS] subtest: inline-flex

      assert_equals: clientWidth expected 40 but got 16
      

    • FAIL [expected PASS] subtest: align-items:stretch should work

      assert_equals: expected 16 but got 40
      

    • FAIL [expected PASS] subtest: No align-items should work as stretch

      assert_equals: expected 16 but got 40
      

  • OK /html/rendering/widgets/button-layout/grid.html
    • FAIL [expected PASS] subtest: inline-grid

      assert_equals: clientWidth expected 24 but got 16
      

  • OK /html/rendering/widgets/button-layout/shrink-wrap.html
    • PASS [expected FAIL] subtest: display: block - available width: 50px
    • PASS [expected FAIL] subtest: display: block - available width: 300px
    • PASS [expected FAIL] subtest: display: inline - available width: 50px
    • PASS [expected FAIL] subtest: display: inline - available width: 200px
    • PASS [expected FAIL] subtest: display: inline - available width: 300px
    • PASS [expected FAIL] subtest: display: list-item - available width: 50px
    • PASS [expected FAIL] subtest: display: list-item - available width: 300px

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⚠️ Try run (#29430341975) failed!

@Loirooriol Loirooriol added the T-linux-wpt Do a try run of the WPT label Jul 15, 2026
@github-actions github-actions Bot removed the T-linux-wpt Do a try run of the WPT label Jul 15, 2026
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🔨 Triggering try run (#29438099192) for Linux (WPT)

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Test results for linux-wpt from try job (#29438099192):

Flaky unexpected result (45)
  • OK /IndexedDB/idbdatabase_deleteObjectStore.any.html (#43823)
    • PASS [expected FAIL] subtest: Deleted object store's name should be removed from database's list. Attempting to use a deleted IDBObjectStore should throw an InvalidStateError
  • OK /IndexedDB/idbdatabase_deleteObjectStore.any.worker.html (#43776)
    • PASS [expected FAIL] subtest: Deleted object store's name should be removed from database's list. Attempting to use a deleted IDBObjectStore should throw an InvalidStateError
  • CRASH [expected OK] /_mozilla/mozilla/iframe-contentDocument.html
  • TIMEOUT [expected OK] /_webgl/conformance/textures/misc/texture-video-transparent.html
    • NOTRUN [expected PASS] subtest: Overall test
  • TIMEOUT [expected OK] /_webgl/conformance/uniforms/no-over-optimization-on-uniform-array-06.html
    • NOTRUN [expected PASS] subtest: Overall test
  • TIMEOUT [expected OK] /cookies/attributes/domain.sub.html
    • TIMEOUT [expected PASS] subtest: No host cookies returned for host cookies after non-host redirect 3

      Test timed out
      

  • TIMEOUT [expected OK] /credential-management/credentialscontainer-frame-basics.https.html (#39430)
    • TIMEOUT [expected FAIL] subtest: navigator.credentials should be undefined in documents generated from data: URLs.

      Test timed out
      

  • FAIL [expected PASS] /css/css-backgrounds/background-size-042.html
  • OK /css/css-cascade/layer-cssom-order-reverse.html (#36094)
    • FAIL [expected PASS] subtest: Insert layer invalidates @font-face

      assert_equals: expected "220px" but got "133px"
      

    • FAIL [expected PASS] subtest: Delete layer invalidates @font-face

      assert_equals: expected "220px" but got "122.8px"
      

  • OK /css/css-fonts/variations/at-font-face-font-matching.html (#20684)
    • FAIL [expected PASS] subtest: Matching font-style: 'oblique 0deg' should prefer 'oblique 5deg' over 'oblique 15deg 20deg'

      assert_equals: Unexpected font on test element expected 487 but got 532
      

  • FAIL [expected PASS] /css/css-sizing/dynamic-available-size-iframe.html (#45763)
  • OK /css/css-text-decor/parsing/text-decoration-inset-computed.html
    • FAIL [expected PASS] subtest: Property text-decoration-inset value '0'

      assert_true: text-decoration-inset doesn't seem to be supported in the computed style expected true got false
      

    • FAIL [expected PASS] subtest: Property text-decoration-inset value '0px 0px'

      assert_true: text-decoration-inset doesn't seem to be supported in the computed style expected true got false
      

    • FAIL [expected PASS] subtest: Property text-decoration-inset value '0.5em'

      assert_true: text-decoration-inset doesn't seem to be supported in the computed style expected true got false
      

    • FAIL [expected PASS] subtest: Property text-decoration-inset value '-1em'

      assert_true: text-decoration-inset doesn't seem to be supported in the computed style expected true got false
      

    • FAIL [expected PASS] subtest: Property text-decoration-inset value '-1ch -1ch'

      assert_true: text-decoration-inset doesn't seem to be supported in the computed style expected true got false
      

    • FAIL [expected PASS] subtest: Property text-decoration-inset value '1px 2px'

      assert_true: text-decoration-inset doesn't seem to be supported in the computed style expected true got false
      

    • FAIL [expected PASS] subtest: Property text-decoration-inset value '1ch -1ch'

      assert_true: text-decoration-inset doesn't seem to be supported in the computed style expected true got false
      

    • FAIL [expected PASS] subtest: Property text-decoration-inset value 'calc(1em / 4) calc(-1ch)'

      assert_true: text-decoration-inset doesn't seem to be supported in the computed style expected true got false
      

    • FAIL [expected PASS] subtest: Property text-decoration-inset value 'auto'

      assert_true: text-decoration-inset doesn't seem to be supported in the computed style expected true got false
      

    • FAIL [expected PASS] subtest: Property text-decoration-inset value '10%'

      assert_true: text-decoration-inset doesn't seem to be supported in the computed style expected true got false
      

    • And 5 more unexpected results...
  • OK [expected TIMEOUT] /fetch/api/redirect/redirect-keepalive.https.any.html (#32153)
    • PASS [expected TIMEOUT] subtest: [keepalive][iframe][load] mixed content redirect; setting up
  • TIMEOUT [expected OK] /fetch/content-encoding/br/big-br-body.https.any.html
    • TIMEOUT [expected PASS] subtest: large br data should be decompressed successfully

      Test timed out
      

    • NOTRUN [expected FAIL] subtest: large br data should be decompressed successfully with byte stream
  • TIMEOUT [expected OK] /fetch/content-encoding/br/big-br-body.https.any.worker.html
    • TIMEOUT [expected PASS] subtest: large br data should be decompressed successfully

      Test timed out
      

    • NOTRUN [expected FAIL] subtest: large br data should be decompressed successfully with byte stream
  • TIMEOUT [expected OK] /fetch/content-encoding/zstd/big-window-zstd-body.tentative.https.any.worker.html
    • TIMEOUT [expected FAIL] subtest: Consuming the body of a resource with too large of a zstd window size should reject

      Test timed out
      

  • TIMEOUT [expected OK] /fetch/content-encoding/zstd/big-zstd-body.https.any.html
    • TIMEOUT [expected PASS] subtest: large zstd data should be decompressed successfully

      Test timed out
      

    • NOTRUN [expected FAIL] subtest: large zstd data should be decompressed successfully with byte stream
  • TIMEOUT [expected OK] /fetch/content-encoding/zstd/big-zstd-body.https.any.worker.html
    • TIMEOUT [expected PASS] subtest: large zstd data should be decompressed successfully

      Test timed out
      

    • NOTRUN [expected FAIL] subtest: large zstd data should be decompressed successfully with byte stream
  • OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.html (#29056)
    • PASS [expected FAIL] subtest: Cross-origin navigation started from unload handler must be ignored
  • OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin-fragment.html (#20768)
    • FAIL [expected PASS] subtest: Tests that a fragment navigation in the unload handler will not block the initial navigation

      assert_equals: expected "" but got "#fragment"
      

  • OK /html/browsers/browsing-the-web/navigating-across-documents/refresh/same-document-refresh.html (#34597)
    • FAIL [expected PASS] subtest: Same-Document Referrer from Refresh

      assert_equals: original page loads expected "http://web-platform.test:8000/html/browsers/browsing-the-web/navigating-across-documents/refresh/resources/refresh-with-section.sub.html?url=%23section" but got "http://web-platform.test:8000/html/browsers/browsing-the-web/navigating-across-documents/refresh/resources/refresh-with-section.sub.html?url=%23section#section"
      

  • OK /html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html (#28697)
    • PASS [expected FAIL] subtest: aElement.click() before the load event must NOT replace
  • TIMEOUT [expected ERROR] /html/browsers/history/the-location-interface/location_replace_session_history.html (#41896)
  • TIMEOUT [expected OK] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_navigate_other_frame_popup.sub.html (#39702)
    • TIMEOUT [expected FAIL] subtest: Sandboxed iframe can not navigate other frame's popup

      Test timed out
      

  • OK /html/semantics/forms/form-submission-0/jsurl-form-submit.tentative.html (#36489)
    • PASS [expected FAIL] subtest: Verifies that form submissions scheduled inside javascript: urls take precedence over the javascript: url's return value.
  • TIMEOUT [expected OK] /html/user-activation/navigation-state-reset-sameorigin.html (#45151)
    • TIMEOUT [expected FAIL] subtest: Post-navigation state reset.

      Test timed out
      

  • OK /html/webappapis/dynamic-markup-insertion/document-write/module-tla-import.html (#42419)
    • FAIL [expected PASS] subtest: document.write in an imported module

      assert_true: onload must be called expected true got false
      

  • OK /infrastructure/testdriver/click_iframe.html
    • FAIL [expected PASS] subtest: TestDriver click on a document in an iframe

      Unhandled rejection: assert_unreached: click failed Reached unreachable code
      

  • OK [expected ERROR] /intersection-observer/v2/animated-opacity.html (#40827)
  • OK /mixed-content/tentative/autoupgrades/mixed-content-cors.https.sub.html (#41123)
    • FAIL [expected PASS] subtest: Cross-Origin video should get upgraded even if CORS is set

      assert_equals: Length. Other host expected 1 but got Infinity
      

  • OK /paint-timing/fcp-only/fcp-text-input.html
    • PASS [expected FAIL] subtest: Text input should become contentful when its value is non-empty
  • TIMEOUT [expected OK] /pointerevents/compat/pointerevent_touch-action_two-finger_interaction.html (#44693)
    • NOTRUN [expected PASS] subtest: touch two-finger pan on 'touch-action: pan-x pan-y'
    • NOTRUN [expected FAIL] subtest: touch two-finger pan on 'touch-action: pinch-zoom'
  • OK /pointerevents/pointerevent_pointercapture_in_frame.html?pen (#45536)
    • FAIL [expected PASS] subtest: Test penpointer capture in same-origin frame: Pointer down at inner frame and set pointer capture.

      assert_true: Timed out waiting for lostpointercapture expected true got false
      

    • FAIL [expected PASS] subtest: Test penpointer capture in same-origin frame: Pointer down at inner frame and set pointer capture to outer frame should not capture.

      assert_array_equals: Received events: innerFrame received pointerdown,innerFrame received pointermove,innerFrame received pointerup,innerFrame received lostpointercapture lengths differ, expected array ["innerFrame received pointerdown", "innerFrame received pointermove", "innerFrame received pointerup"] length 3, got ["innerFrame received pointerdown", "innerFrame received pointermove", "innerFrame received pointerup", "innerFrame received lostpointercapture"] length 4
      

  • CRASH [expected OK] /pointerevents/pointerevent_sequence_at_implicit_release_on_click.html?mouse
  • CRASH [expected OK] /preload/prefetch-load-event.html
  • OK /preload/preload-resource-match.https.html
    • PASS [expected FAIL] subtest: Loading font (same-origin) with link (same-origin) should reuse the preloaded response
  • OK /resource-timing/buffer-full-then-increased.html (#44408)
    • PASS [expected FAIL] subtest: Test that overflowing the buffer and immediately increasing its limit does not trigger the resourcetimingbufferfull event
  • OK [expected CRASH] /resource-timing/render-blocking-status-link.html (#41664)
    • FAIL [expected PASS] subtest: Validate render blocking status of link resources in PerformanceResourceTiming

      assert_equals: render blocking status for http://web-platform.test:8000/resource-timing/resources/empty_style.css?stylesheet-head-dynamic-docWrite should be blocking expected (string) "blocking" but got (undefined) undefined
      

  • CRASH [expected OK] /trusted-types/TrustedTypePolicyFactory-createPolicy-unenforced.html
  • OK [expected TIMEOUT] /trusted-types/trusted-types-navigation.html?11-15 (#44834)
    • PASS [expected TIMEOUT] subtest: Navigate a window via area with javascript:-urls in report-only mode.
  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?31-35 (#38034)
    • TIMEOUT [expected PASS] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in report-only mode.

      Test timed out
      

    • NOTRUN [expected FAIL] subtest: Navigate a window via form-submission with javascript:-urls w/ a default policy throwing an exception in enforcing mode.
    • NOTRUN [expected FAIL] subtest: Navigate a window via form-submission with javascript:-urls w/ a default policy throwing an exception in report-only mode.
    • NOTRUN [expected FAIL] subtest: Navigate a window via form-submission with javascript:-urls w/ a default policy making the URL invalid in enforcing mode.
  • TIMEOUT [expected OK] /webstorage/storage_local_setitem_quotaexceedederr.window.html
  • TIMEOUT [expected OK] /webstorage/storage_session_setitem_quotaexceedederr.window.html
  • ERROR [expected OK] /webxr/render_state_update.https.html (#27535)
  • OK /webxr/xrSession_features_deviceSupport.https.html (#24357)
    • FAIL [expected PASS] subtest: Immersive XRSession requests with no supported device should reject

      assert_unreached: Should have rejected: undefined Reached unreachable code
      

Stable unexpected results that are known to be intermittent (16)
  • OK /_webgl/conformance/textures/misc/texture-upload-size.html (#21770)
    • FAIL [expected PASS] subtest: WebGL test #45

      assert_true: Texture was smaller than the expected size 2x2 expected true got false
      

    • FAIL [expected PASS] subtest: WebGL test #47

      assert_true: getError expected: INVALID_VALUE. Was NO_ERROR : when calling texSubImage2D with the same texture upload with offset 1, 1 expected true got false
      

    • FAIL [expected PASS] subtest: WebGL test #49

      assert_true: Texture was smaller than the expected size 2x2 expected true got false
      

    • FAIL [expected PASS] subtest: WebGL test #51

      assert_true: getError expected: INVALID_VALUE. Was NO_ERROR : when calling texSubImage2D with the same texture upload with offset 1, 1 expected true got false
      

    • PASS [expected FAIL] subtest: WebGL test #53
    • PASS [expected FAIL] subtest: WebGL test #55
    • PASS [expected FAIL] subtest: WebGL test #57
    • PASS [expected FAIL] subtest: WebGL test #59
    • FAIL [expected PASS] subtest: WebGL test #61

      assert_true: Texture was smaller than the expected size 2x2 expected true got false
      

    • FAIL [expected PASS] subtest: WebGL test #63

      assert_true: getError expected: INVALID_VALUE. Was NO_ERROR : when calling texSubImage2D with the same texture upload with offset 1, 1 expected true got false
      

    • And 6 more unexpected results...
  • OK /dom/nodes/moveBefore/iframe-document-preserve.window.html (#43152)
    • PASS [expected FAIL] subtest: moveBefore(): cross-origin iframe is preserved: remove self
  • ERROR [expected OK] /fetch/metadata/window-open.https.sub.html (#40339)
  • OK /html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/load-pageshow-events-window-open.html (#28691)
    • PASS [expected FAIL] subtest: load event does not fire on window.open('about:blank')
  • TIMEOUT [expected OK] /html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/form-requestsubmit.html (#44098)
    • TIMEOUT [expected FAIL] subtest: Replace before load, triggered by formElement.requestSubmit()

      Test timed out
      

  • TIMEOUT [expected OK] /html/interaction/focus/the-autofocus-attribute/supported-elements.html (#24145)
    • TIMEOUT [expected PASS] subtest: Non-HTMLElement should not support autofocus

      Test timed out
      

    • NOTRUN [expected FAIL] subtest: Host element with delegatesFocus should support autofocus
    • NOTRUN [expected FAIL] subtest: Host element with delegatesFocus including no focusable descendants should be skipped
    • NOTRUN [expected FAIL] subtest: Area element should support autofocus
  • TIMEOUT /html/syntax/parsing/html5lib_write.html?file=processing-instructions (#46205)
    • TIMEOUT [expected PASS] subtest: &lt;body&gt;&lt;?1st-place&gt;

      Test timed out
      

    • TIMEOUT [expected PASS] subtest: &lt;body&gt;&lt;?-100&gt;

      Test timed out
      

    • TIMEOUT [expected FAIL] subtest: &lt;div&gt;&lt;?something good&gt;&lt;/div&gt;

      Test timed out
      

  • OK [expected TIMEOUT] /html/syntax/parsing/html5lib_write_single.html?file=processing-instructions (#46206)
  • TIMEOUT [expected OK] /infrastructure/testdriver/click_nested.html (#43887)
    • NOTRUN [expected FAIL] subtest: TestDriver click method with multiple windows and nested iframe
  • OK /resource-timing/buffer-full-add-then-clear.html (#40819)
    • FAIL [expected PASS] subtest: Test that if the buffer is cleared after entries were added to the secondary buffer, those entries make it into the primary one

      assert_equals: Number of entries does not match the expected value. expected 3 but got 0
      

  • OK /sanitizer-api/sanitizer-inert-document.html (#45260)
    • FAIL [expected PASS] subtest: Test whether setHTML loads the image.

      promise_test: Unhandled rejection with value: "The server observed a request. It shouldn't have."
      

    • PASS [expected FAIL] subtest: Test whether setHTMLUnsafe loads the image.
  • OK /touch-events/hover-state-caused-by-compatibility-mouse-events.tentative.html (#46277)
    • FAIL [expected PASS] subtest: The compatibility mouse events should set :hover: The compatibility mouse events should be fired

      assert_equals: expected "[{ type: \"mouseover\", target: div.target },{ type: \"mousemove\", target: div.target },{ type: \"mousedown\", target: div.target },{ type: \"mouseup\", target: div.target },{ type: \"click\", target: div.target }]" but got "[]"
      

    • FAIL [expected PASS] subtest: The compatibility mouse events should set :hover, but shouldn't be preserved after the target is replaced: The compatibility mouse events should be fired

      assert_equals: expected "[{ type: \"mouseover\", target: div.target },{ type: \"mousemove\", target: div.target },{ type: \"mousedown\", target: div.target },{ type: \"mouseup\", target: div.target },{ type: \"click\", target: div.target }]" but got "[]"
      

  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?16-20 (#44835)
    • TIMEOUT [expected PASS] subtest: Navigate a frame via area with javascript:-urls w/ default policy in enforcing mode.

      Test timed out
      

    • NOTRUN [expected PASS] subtest: Navigate a frame via area with javascript:-urls in report-only mode.
    • NOTRUN [expected PASS] subtest: Navigate a frame via area with javascript:-urls w/ default policy in report-only mode.
  • OK [expected TIMEOUT] /trusted-types/trusted-types-navigation.html?26-30 (#38807)
    • PASS [expected TIMEOUT] subtest: Navigate a window via form-submission with javascript:-urls in report-only mode.
    • PASS [expected NOTRUN] subtest: Navigate a window via form-submission with javascript:-urls w/ default policy in report-only mode.
    • PASS [expected NOTRUN] subtest: Navigate a frame via form-submission with javascript:-urls in enforcing mode.
    • PASS [expected NOTRUN] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in enforcing mode.
  • OK /visual-viewport/resize-event-order.html (#41981)
    • FAIL [expected PASS] subtest: Popup: DOMWindow resize fired before VisualViewport.

      assert_equals: expected "window-attribute,window-addEventListener,visualViewport-attribute,visualViewport-addEventListener" but got ""
      

  • TIMEOUT [expected OK] /webstorage/localstorage-about-blank-3P-iframe-opens-3P-window.partitioned.html (#29053)
    • TIMEOUT [expected FAIL] subtest: StorageKey: test 3P about:blank window opened from a 3P iframe

      Test timed out
      

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✨ Try run (#29438099192) succeeded.

For example, a `<button>` with `display: block` will no longer stretch
by default, and a button with `display: inline` will be atomic.

Signed-off-by: Oriol Brufau <obrufau@igalia.com>
@Loirooriol Loirooriol added the T-linux-wpt Do a try run of the WPT label Jul 15, 2026
@Loirooriol
Loirooriol marked this pull request as ready for review July 15, 2026 18:51
@servo-highfive servo-highfive added the S-awaiting-review There is new code that needs to be reviewed. label Jul 15, 2026
@github-actions github-actions Bot removed the T-linux-wpt Do a try run of the WPT label Jul 15, 2026
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🔨 Triggering try run (#29442285252) for Linux (WPT)

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Test results for linux-wpt from try job (#29442285252):

Flaky unexpected result (40)
  • TIMEOUT [expected OK] /_webgl/conformance/reading/read-pixels-test.html
  • OK /_webgl/conformance/state/state-uneffected-after-compositing.html
    • FAIL [expected PASS] subtest: WebGL test #3

      assert_true: reading from fbo after composite without rebinding should be green
      at (0, 0) expected: 0,255,0,255 was 0,0,0,0 expected true got false
      

  • CRASH [expected OK] /_webgl/conformance/uniforms/no-over-optimization-on-uniform-array-06.html
  • CRASH [expected OK] /_webgl/conformance/uniforms/no-over-optimization-on-uniform-array-14.html
  • TIMEOUT [expected OK] /_webgl/conformance/uniforms/no-over-optimization-on-uniform-array-16.html
    • NOTRUN [expected PASS] subtest: Overall test
  • TIMEOUT [expected OK] /_webgl/conformance2/sync/sync-webgl-specific.html
  • TIMEOUT [expected OK] /_webgl/conformance2/transform_feedback/transform_feedback.html
    • NOTRUN [expected PASS] subtest: Overall test
  • TIMEOUT [expected CRASH] /content-security-policy/inheritance/blob-url-in-main-window-self-navigate-inherits.sub.html (#41490)
  • OK /css/css-cascade/layer-cssom-order-reverse.html (#36094)
    • FAIL [expected PASS] subtest: Delete layer invalidates @font-face

      assert_equals: expected "220px" but got "122.8px"
      

  • OK /css/css-cascade/layer-font-face-override.html (#35935)
    • FAIL [expected PASS] subtest: @font-face unlayered overrides layered

      assert_equals: expected "80px" but got "41.45px"
      

  • OK /css/css-fonts/variations/at-font-face-font-matching.html (#20684)
    • FAIL [expected PASS] subtest: Matching font-weight: '501' should prefer '503 520' over '500'

      assert_equals: Unexpected font on test element expected 487 but got 532
      

    • FAIL [expected PASS] subtest: Matching font-style: 'oblique 10deg' should prefer 'oblique 0deg' over 'oblique -50deg -20deg'

      assert_equals: Unexpected font on test element expected 487 but got 532
      

    • FAIL [expected PASS] subtest: Matching font-style: 'oblique -10deg' should prefer 'oblique 0deg 10deg' over 'oblique 40deg 50deg'

      assert_equals: Unexpected font on test element expected 487 but got 532
      

  • OK /css/css-grid/alignment/grid-alignment-implies-size-change-008.html
    • FAIL [expected PASS] subtest: .after 2

      assert_equals: 
      &lt;div data-expected-width="100" id="item" class=" before after" data-expected-height="100"&gt;XX X&lt;br&gt;X XXX&lt;br&gt;X&lt;br&gt;XX XXX&lt;/div&gt;
      height expected 100 but got 80
      

  • FAIL [expected PASS] /css/css-sizing/dynamic-available-size-iframe.html (#45763)
  • OK /dom/nodes/moveBefore/iframe-document-preserve.window.html (#43152)
    • FAIL [expected PASS] subtest: moveBefore(): cross-origin iframe is preserved: remove new parent

      assert_equals: iframe does not fire a second load event expected 1 but got 0
      

    • FAIL [expected PASS] subtest: moveBefore(): cross-origin iframe is preserved: remove self via replaceChildren()

      assert_equals: iframe does not fire a second load event expected 1 but got 0
      

    • FAIL [expected PASS] subtest: moveBefore(): cross-origin iframe is preserved: remove self via innerHTML

      assert_equals: iframe does not fire a second load event expected 1 but got 0
      

  • OK [expected TIMEOUT] /fetch/api/redirect/redirect-keepalive.https.any.html (#32153)
    • PASS [expected TIMEOUT] subtest: [keepalive][iframe][load] mixed content redirect; setting up
  • TIMEOUT [expected OK] /fetch/content-encoding/br/big-br-body.https.any.html
    • TIMEOUT [expected PASS] subtest: large br data should be decompressed successfully

      Test timed out
      

    • NOTRUN [expected FAIL] subtest: large br data should be decompressed successfully with byte stream
  • TIMEOUT [expected OK] /fetch/content-encoding/gzip/big-gzip-body.https.any.sharedworker.html
    • TIMEOUT [expected PASS] subtest: large gzip data should be decompressed successfully

      Test timed out
      

    • NOTRUN [expected FAIL] subtest: large gzip data should be decompressed successfully with byte stream
  • TIMEOUT [expected OK] /fetch/content-encoding/zstd/big-zstd-body.https.any.worker.html
    • TIMEOUT [expected PASS] subtest: large zstd data should be decompressed successfully

      Test timed out
      

    • NOTRUN [expected FAIL] subtest: large zstd data should be decompressed successfully with byte stream
  • OK [expected ERROR] /fetch/fetch-later/quota/same-origin-iframe/multiple-iframes.https.window.html (#35176)
  • OK /html/browsers/browsing-the-web/navigating-across-documents/008.html (#24456)
    • PASS [expected FAIL] subtest: Link with onclick form submit to javascript url and href navigation
  • OK /html/browsers/history/the-history-interface/traverse_the_history_3.html (#21383)
    • PASS [expected FAIL] subtest: Multiple history traversals, last would be aborted
  • CRASH [expected ERROR] /html/browsers/history/the-location-interface/location_replace_session_history.html (#41896)
  • OK /html/browsers/windows/embedded-opener-remove-frame.html (#23867)
    • FAIL [expected PASS] subtest: opener of discarded auxiliary browsing context

      assert_object_equals: property "get" expected function "function opener() {
          [native code]
      }" got function "function opener() {
          [native code]
      }"
      

  • OK /html/dom/render-blocking/remove-element-unblocks-rendering.optional.html
    • PASS [expected FAIL] subtest: Render-blocking on parser-inserted async script is cancellable
    • PASS [expected FAIL] subtest: Render-blocking on parser-inserted defer script is cancellable
    • PASS [expected FAIL] subtest: Render-blocking on parser-inserted module script is cancellable
  • TIMEOUT [expected OK] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_navigate_other_frame_popup.sub.html (#39702)
    • TIMEOUT [expected FAIL] subtest: Sandboxed iframe can not navigate other frame's popup

      Test timed out
      

  • TIMEOUT [expected OK] /html/syntax/parsing/html5lib_write.html?file=tests19
    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;math&gt;&lt;mn DefinitionUrl="foo"&gt;

      Test timed out
      

    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;html&gt;&lt;/p&gt;&lt;!--foo--&gt;

      Test timed out
      

    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;head&gt;&lt;/head&gt;&lt;/p&gt;&lt;!--foo--&gt;

      Test timed out
      

    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;body&gt;&lt;p&gt;&lt;pre&gt;

      Test timed out
      

    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;body&gt;&lt;p&gt;&lt;listing&gt;

      Test timed out
      

    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;p&gt;&lt;plaintext&gt;

      Test timed out
      

    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;p&gt;&lt;h1&gt;

      Test timed out
      

    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;isindex type="hidden"&gt;

      Test timed out
      

    • NOTRUN [expected PASS] subtest: &lt;!doctype html&gt;&lt;ruby&gt;&lt;p&gt;&lt;rp&gt;
    • NOTRUN [expected PASS] subtest: &lt;!doctype html&gt;&lt;ruby&gt;&lt;div&gt;&lt;span&gt;&lt;rp&gt;
    • And 93 more unexpected results...
  • TIMEOUT [expected OK] /html/user-activation/navigation-state-reset-sameorigin.html (#45151)
    • TIMEOUT [expected FAIL] subtest: Post-navigation state reset.

      Test timed out
      

  • TIMEOUT [expected OK] /infrastructure/testdriver/click_nested.html (#43887)
    • NOTRUN [expected FAIL] subtest: TestDriver click method with multiple windows and nested iframe
  • TIMEOUT [expected OK] /pointerevents/compat/pointerevent_touch-action_two-finger_interaction.html (#44693)
    • NOTRUN [expected PASS] subtest: touch two-finger pan on 'touch-action: pan-x pan-y'
    • NOTRUN [expected FAIL] subtest: touch two-finger pan on 'touch-action: pinch-zoom'
  • OK [expected CRASH] /resource-timing/render-blocking-status-link.html (#41664)
    • FAIL [expected PASS] subtest: Validate render blocking status of link resources in PerformanceResourceTiming

      assert_equals: render blocking status for http://web-platform.test:8000/resource-timing/resources/empty_style.css?stylesheet-head-dynamic-docWrite should be blocking expected (string) "blocking" but got (undefined) undefined
      

  • OK /resource-timing/test_resource_timing.https.html (#25216)
    • PASS [expected FAIL] subtest: PerformanceEntry has correct name, initiatorType, startTime, and duration (link)
  • OK /touch-events/single-tap-when-touchend-listener-use-sync-xhr.html (#41175)
    • FAIL [expected PASS] subtest: Click event should be fired when touchend opens synchronous XHR

      assert_equals: expected "touchend@div, mousedown@div, mouseup@div, click@div" but got "touchend@div"
      

  • OK [expected TIMEOUT] /trusted-types/trusted-types-navigation.html?01-05 (#38975)
    • PASS [expected TIMEOUT] subtest: Navigate a window via anchor with javascript:-urls in report-only mode.
    • PASS [expected NOTRUN] subtest: Navigate a window via anchor with javascript:-urls w/ default policy in report-only mode.
    • PASS [expected NOTRUN] subtest: Navigate a frame via anchor with javascript:-urls in enforcing mode.
  • TIMEOUT /trusted-types/trusted-types-navigation.html?06-10 (#37920)
    • FAIL [expected PASS] subtest: Navigate a frame via anchor with javascript:-urls in report-only mode.

      promise_test: Unhandled rejection with value: "Unexpected message received: \"No securitypolicyviolation reported!\""
      

  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?31-35 (#38034)
    • TIMEOUT [expected PASS] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in report-only mode.

      Test timed out
      

    • NOTRUN [expected FAIL] subtest: Navigate a window via form-submission with javascript:-urls w/ a default policy throwing an exception in enforcing mode.
    • NOTRUN [expected FAIL] subtest: Navigate a window via form-submission with javascript:-urls w/ a default policy throwing an exception in report-only mode.
    • NOTRUN [expected FAIL] subtest: Navigate a window via form-submission with javascript:-urls w/ a default policy making the URL invalid in enforcing mode.
  • CRASH [expected OK] /upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-import.https.html
  • OK /upgrade-insecure-requests/gen/sharedworker-module-data.meta/unset/fetch.https.html
    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects blocked for fetch to cross-http-downgrade origin and downgrade redirection from https context.

      assert_equals: The resource request should be 'blocked'. expected "blocked" but got "allowed"
      

    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects blocked for fetch to cross-http-downgrade origin and no-redirect redirection from https context.

      assert_equals: The resource request should be 'blocked'. expected "blocked" but got "allowed"
      

    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects blocked for fetch to cross-https origin and downgrade redirection from https context.

      assert_equals: The resource request should be 'blocked'. expected "blocked" but got "allowed"
      

    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects blocked for fetch to same-http-downgrade origin and downgrade redirection from https context.

      assert_equals: The resource request should be 'blocked'. expected "blocked" but got "allowed"
      

    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects blocked for fetch to same-http-downgrade origin and no-redirect redirection from https context.

      assert_equals: The resource request should be 'blocked'. expected "blocked" but got "allowed"
      

    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects blocked for fetch to same-https origin and downgrade redirection from https context.

      assert_equals: The resource request should be 'blocked'. expected "blocked" but got "allowed"
      

  • OK /webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html (#22849)
    • FAIL [expected PASS] subtest: buffer-stitching-2

      assert_approx_equals: Stitched sine‑wave buffers at sample rate 43800 sample[13049] |-2.2391918592401256e+29 - 0.938959538936615| = 2.2391918592401256e+29 &gt; 0.0038986 expected 0.938959538936615 +/- 0.0038986 but got -2.2391918592401256e+29
      

  • OK /webdriver/tests/classic/find_element_from_shadow_root/user_prompts.py
    • FAIL [expected PASS] subtest: test_accept[alert-None]

      webdriver.error.TimeoutException: timeout (500): Load timed out
      

  • CRASH [expected OK] /webstorage/storage_session_setitem_quotaexceedederr.window.html
Stable unexpected results that are known to be intermittent (16)
  • OK /_webgl/conformance/textures/misc/texture-upload-size.html (#21770)
    • FAIL [expected PASS] subtest: WebGL test #45

      assert_true: Texture was smaller than the expected size 2x2 expected true got false
      

    • FAIL [expected PASS] subtest: WebGL test #47

      assert_true: getError expected: INVALID_VALUE. Was NO_ERROR : when calling texSubImage2D with the same texture upload with offset 1, 1 expected true got false
      

    • FAIL [expected PASS] subtest: WebGL test #49

      assert_true: Texture was smaller than the expected size 2x2 expected true got false
      

    • FAIL [expected PASS] subtest: WebGL test #51

      assert_true: getError expected: INVALID_VALUE. Was NO_ERROR : when calling texSubImage2D with the same texture upload with offset 1, 1 expected true got false
      

    • PASS [expected FAIL] subtest: WebGL test #53
    • PASS [expected FAIL] subtest: WebGL test #55
    • PASS [expected FAIL] subtest: WebGL test #57
    • PASS [expected FAIL] subtest: WebGL test #59
    • FAIL [expected PASS] subtest: WebGL test #61

      assert_true: Texture was smaller than the expected size 2x2 expected true got false
      

    • FAIL [expected PASS] subtest: WebGL test #63

      assert_true: getError expected: INVALID_VALUE. Was NO_ERROR : when calling texSubImage2D with the same texture upload with offset 1, 1 expected true got false
      

    • And 6 more unexpected results...
  • OK /beacon/beacon-basic.https.window.html (#41723)
    • FAIL [expected PASS] subtest: Payload size restriction should be accumulated: type = string

      assert_false: expected false got true
      

    • FAIL [expected PASS] subtest: Payload size restriction should be accumulated: type = arraybuffer

      assert_false: expected false got true
      

  • TIMEOUT [expected OK] /credential-management/credentialscontainer-frame-basics.https.html (#39430)
    • TIMEOUT [expected FAIL] subtest: navigator.credentials should be undefined in documents generated from data: URLs.

      Test timed out
      

  • OK /html/browsers/browsing-the-web/navigating-across-documents/refresh/same-document-refresh.html (#34597)
    • FAIL [expected PASS] subtest: Same-Document Referrer from Refresh

      assert_equals: original page loads expected "http://web-platform.test:8000/html/browsers/browsing-the-web/navigating-across-documents/refresh/resources/refresh-with-section.sub.html?url=%23section" but got "http://web-platform.test:8000/html/browsers/browsing-the-web/navigating-across-documents/refresh/resources/refresh-with-section.sub.html?url=%23section#section"
      

  • OK /html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html (#28697)
    • PASS [expected FAIL] subtest: aElement.click() before the load event must NOT replace
  • TIMEOUT [expected OK] /html/interaction/focus/the-autofocus-attribute/autofocus-dialog.html (#29087)
    • TIMEOUT [expected PASS] subtest: &lt;dialog&gt;-contained autofocus element gets focused when the dialog is shown

      Test timed out
      

  • OK [expected TIMEOUT] /html/interaction/focus/the-autofocus-attribute/update-the-rendering.html (#24145)
    • FAIL [expected TIMEOUT] subtest: "Flush autofocus candidates" should be happen before a scroll event and animation frame callbacks

      assert_array_equals: animationFrame lengths differ, expected array ["autofocus", "scroll", "animationFrame"] length 3, got ["animationFrame"] length 1
      

  • OK [expected TIMEOUT] /html/syntax/parsing/html5lib_write.html?file=processing-instructions (#46205)
  • TIMEOUT [expected OK] /html/syntax/parsing/html5lib_write.html?file=tests1 (#46224)
    • TIMEOUT [expected PASS] subtest: &lt;p id=a&gt;&lt;b&gt;&lt;p id=b&gt;&lt;/b&gt;TEST

      Test timed out
      

    • TIMEOUT [expected PASS] subtest: &lt;!DOCTYPE html&gt;&lt;font&gt;&lt;table&gt;&lt;/font&gt;&lt;/table&gt;&lt;/font&gt;

      Test timed out
      

  • OK [expected TIMEOUT] /html/syntax/parsing/html5lib_write_single.html?file=processing-instructions (#46206)
  • OK [expected ERROR] /intersection-observer/v2/animated-opacity.html (#40827)
  • OK /touch-events/hover-state-caused-by-compatibility-mouse-events.tentative.html (#46277)
    • FAIL [expected PASS] subtest: The compatibility mouse events should set :hover: The compatibility mouse events should be fired

      assert_equals: expected "[{ type: \"mouseover\", target: div.target },{ type: \"mousemove\", target: div.target },{ type: \"mousedown\", target: div.target },{ type: \"mouseup\", target: div.target },{ type: \"click\", target: div.target }]" but got "[]"
      

    • FAIL [expected PASS] subtest: The compatibility mouse events should set :hover, but shouldn't be preserved after the target is replaced: The compatibility mouse events should be fired

      assert_equals: expected "[{ type: \"mouseover\", target: div.target },{ type: \"mousemove\", target: div.target },{ type: \"mousedown\", target: div.target },{ type: \"mouseup\", target: div.target },{ type: \"click\", target: div.target }]" but got "[]"
      

  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?16-20 (#44835)
    • FAIL [expected PASS] subtest: Navigate a frame via area with javascript:-urls in report-only mode.

      promise_test: Unhandled rejection with value: "Unexpected message received: \"No securitypolicyviolation reported!\""
      

    • TIMEOUT [expected PASS] subtest: Navigate a frame via area with javascript:-urls w/ default policy in report-only mode.

      Test timed out
      

  • OK [expected TIMEOUT] /trusted-types/trusted-types-navigation.html?26-30 (#38807)
    • PASS [expected TIMEOUT] subtest: Navigate a window via form-submission with javascript:-urls in report-only mode.
    • PASS [expected NOTRUN] subtest: Navigate a window via form-submission with javascript:-urls w/ default policy in report-only mode.
    • PASS [expected NOTRUN] subtest: Navigate a frame via form-submission with javascript:-urls in enforcing mode.
    • PASS [expected NOTRUN] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in enforcing mode.
  • OK /visual-viewport/resize-event-order.html (#41981)
    • FAIL [expected PASS] subtest: Popup: DOMWindow resize fired before VisualViewport.

      assert_equals: expected "window-attribute,window-addEventListener,visualViewport-attribute,visualViewport-addEventListener" but got ""
      

  • TIMEOUT [expected OK] /webstorage/localstorage-about-blank-3P-iframe-opens-3P-window.partitioned.html (#29053)
    • TIMEOUT [expected FAIL] subtest: StorageKey: test 3P about:blank window opened from a 3P iframe

      Test timed out
      

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✨ Try run (#29442285252) succeeded.

@servo-highfive servo-highfive removed the S-awaiting-review There is new code that needs to be reviewed. label Jul 16, 2026
@mrobinson
mrobinson added this pull request to the merge queue Jul 16, 2026
@servo-highfive servo-highfive added the S-awaiting-merge The PR is in the process of compiling and running tests on the automated CI. label Jul 16, 2026
Merged via the queue into servo:main with commit 6fbb906 Jul 16, 2026
74 checks passed
@servo-highfive servo-highfive removed the S-awaiting-merge The PR is in the process of compiling and running tests on the automated CI. label Jul 16, 2026
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