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script: Don't dirty with ContentOrHeritage damage when changing state#40902

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Loirooriol:avoid-unnecessary-layouts
Dec 2, 2025
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script: Don't dirty with ContentOrHeritage damage when changing state#40902
Loirooriol merged 1 commit intoservo:mainfrom
Loirooriol:avoid-unnecessary-layouts

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@Loirooriol Loirooriol commented Nov 26, 2025

When for example changing the hover state of an element, we were dirtying it with ContentOrHeritage damage, which forced it to be laid out again.

This was added in #39102 in order to fix #38989, but for the most part it's no longer needed.

However, we will now dirty when a <textarea> or <input> which can be selected gets or loses focus. This is to ensure that the caret or selections get correctly updated.

Testing: Manually tested that #38989 is not regressing

@Loirooriol Loirooriol requested a review from gterzian as a code owner November 26, 2025 15:27
@Loirooriol Loirooriol added the T-linux-wpt Do a try run of the WPT label Nov 26, 2025
@servo-highfive servo-highfive added the S-awaiting-review There is new code that needs to be reviewed. label Nov 26, 2025
@github-actions github-actions bot removed the T-linux-wpt Do a try run of the WPT label Nov 26, 2025
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🔨 Triggering try run (#19708923336) for Linux (WPT)

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Test results for linux-wpt from try job (#19708923336):

Flaky unexpected result (30)
  • TIMEOUT /FileAPI/url/url-in-tags-revoke.window.html (#19978)
    • TIMEOUT [expected PASS] subtest: Fetching a blob URL immediately before revoking it works in &lt;script&gt; tags.

      Test timed out
      

  • OK /IndexedDB/idbfactory_open.any.html
    • FAIL [expected PASS] subtest: Calling open() with version argument 1.5 should not throw.

      assert_equals: version expected 1 but got 9007199254740991
      

  • OK /_mozilla/mozilla/getBoundingClientRect.html (#39668)
    • FAIL [expected PASS] subtest: getBoundingClientRect 1

      assert_equals: expected 62 but got 60.35
      

  • OK /_mozilla/webxr/create_session.https.html
    • FAIL [expected PASS] subtest: create_session

      can't access property "simulateDeviceConnection", navigator.xr.test is undefined
      

  • OK /_mozilla/webxr/obtain_frame.https.html
    • FAIL [expected PASS] subtest: obtain_frame

      promise_test: Unhandled rejection with value: object "TypeError: can't access property "simulateDeviceConnection", navigator.xr.test is undefined"
      

  • OK /content-security-policy/frame-ancestors/frame-ancestors-path-ignored.window.html (#36468)
    • FAIL [expected PASS] subtest: A 'frame-ancestors' CSP directive with a URL that includes a path should be ignored.

      assert_unreached: The IFrame should have been blocked (or cross-origin). It wasn't. Reached unreachable code
      

  • FAIL [expected PASS] /css/css-backgrounds/background-size-042.html
  • OK /css/css-fonts/generic-family-keywords-003.html (#38994)
    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted generic(kai) (drawing text in a canvas)
    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted generic(nastaliq) (drawing text in a canvas)
    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted ui-monospace (drawing text in a canvas)
    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted ui-rounded (drawing text in a canvas)
  • OK /custom-elements/form-associated/ElementInternals-setFormValue.html (#29174)
    • PASS [expected FAIL] subtest: Null value should submit nothing
  • CRASH [expected ERROR] /encoding/streams/decode-ignore-bom.any.serviceworker.html
  • TIMEOUT [expected OK] /fetch/api/redirect/redirect-keepalive.https.any.html (#32153)
    • TIMEOUT [expected PASS] subtest: [keepalive][iframe][load] mixed content redirect; setting up

      Test timed out
      

  • OK /fetch/fetch-later/permissions-policy/deferred-fetch-allowed-by-permissions-policy.https.window.html (#40478)
    • PASS [expected FAIL] subtest: Permissions policy header: "deferred-fetch=*" allows fetchLater() in the top-level document.
  • TIMEOUT [expected CRASH] /fetch/metadata/window-open.https.sub.html (#40339)
  • TIMEOUT [expected OK] /html/interaction/focus/the-autofocus-attribute/update-the-rendering.html (#24145)
    • TIMEOUT [expected FAIL] subtest: "Flush autofocus candidates" should be happen before a scroll event and animation frame callbacks

      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.
  • OK /html/semantics/forms/form-submission-0/multipart-formdata.window.html (#28725)
    • PASS [expected FAIL] subtest: multipart/form-data: single quote in value (formdata event)
  • OK /html/semantics/forms/form-submission-0/text-plain.window.html (#28687)
    • FAIL [expected PASS] subtest: text/plain: Basic test (formdata event)

      assert_equals: expected "basic=test\r\n" but got ""
      

    • FAIL [expected PASS] subtest: text/plain: Basic File test (normal form)

      assert_equals: expected "basic=file-test.txt\r\n" but got ""
      

  • OK /html/semantics/forms/form-submission-0/urlencoded2.window.html (#28687)
    • FAIL [expected PASS] subtest: application/x-www-form-urlencoded: Basic test (formdata event)

      assert_equals: expected "basic=test" but got ""
      

    • FAIL [expected PASS] subtest: application/x-www-form-urlencoded: Basic File test (normal form)

      assert_equals: expected "basic=file-test.txt" but got ""
      

    • PASS [expected FAIL] subtest: application/x-www-form-urlencoded: Basic File test (formdata event)
  • OK [expected CRASH] /html/semantics/forms/the-fieldset-element/disabled-003.html (#31730, #39631)
  • TIMEOUT [expected ERROR] /html/semantics/links/links-created-by-a-and-area-elements/target_blank_implicit_noopener_base.html (#40347)
  • OK /preload/link-header-preload-delay-onload.html (#39622)
    • FAIL [expected PASS] subtest: Makes sure that Link headers preload resources and block window.onload after resource discovery

      assert_true: expected true got false
      

  • OK /preload/preload-xhr.html (#39092)
    • FAIL [expected PASS] subtest: Make an XHR request immediately after creating link rel=preload.

      assert_equals: resources/dummy.xml?token=b4d1ba05-3e6b-45a6-810c-10838971dda5 expected 1 but got 0
      

  • 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
      

  • CRASH [expected OK] /trusted-types/Element-setAttribute-setAttributeNS-sinks.tentative.html
  • CRASH [expected TIMEOUT] /trusted-types/should-trusted-type-policy-creation-be-blocked-by-csp-002.html
  • TIMEOUT /trusted-types/trusted-types-navigation.html?06-10 (#37920)
    • TIMEOUT [expected FAIL] subtest: Navigate a frame via anchor with javascript:-urls in report-only mode.

      Test timed out
      

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

      Test timed out
      

    • NOTRUN [expected TIMEOUT] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in report-only mode.
  • 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[2357] |3.272474469327751e-16 - -0.10381991416215897| = 0.1038199141621593 &gt; 0.0038986 expected -0.10381991416215897 +/- 0.0038986 but got 3.272474469327751e-16
      

  • OK /webdriver/tests/classic/dismiss_alert/dismiss.py (#39098)
    • FAIL [expected PASS] subtest: test_dismiss_in_popup_window

      AssertionError: no such alert (404): No user prompt is currently active.
      

  • ERROR [expected OK] /workers/baseurl/alpha/sharedworker-in-worker.html (#21315)
Stable unexpected results that are known to be intermittent (26)
  • OK /FileAPI/url/url-with-fetch.any.worker.html (#21517)
    • FAIL [expected PASS] subtest: Revoke blob URL after calling fetch, fetch should succeed

      promise_test: Unhandled rejection with value: object "TypeError: Network error occurred"
      

  • OK /IndexedDB/idbobjectstore_getAll.any.html (#39276)
    • PASS [expected FAIL] subtest: Get all values with transaction.commit()
  • OK /IndexedDB/idbobjectstore_getAll.any.worker.html (#39400)
    • PASS [expected FAIL] subtest: Get all values with transaction.commit()
  • OK /_mozilla/css/offset_properties_inline.html (#40543)
    • FAIL [expected PASS] subtest: offsetTop

      assert_equals: offsetTop of #inline-1 should be 0. expected 0 but got -1
      

    • FAIL [expected PASS] subtest: offsetLeft

      assert_equals: offsetLeft of #inline-2 should be 40. expected 40 but got 25
      

  • FAIL [expected PASS] /_mozilla/mozilla/sslfail.html (#10760)
  • TIMEOUT [expected OK] /_mozilla/mozilla/window_resize_event.html (#36741)
    • TIMEOUT [expected PASS] subtest: Popup onresize event fires after resizeTo

      Test timed out
      

  • FAIL [expected PASS] /css/css-grid/grid-lanes/tentative/alignment/row-grid-lanes-align-self-003.html (#40833)
  • FAIL [expected PASS] /css/css-grid/grid-lanes/tentative/grid-placement/row-explicit-placement-004.html (#40834)
  • FAIL [expected PASS] /css/css-grid/masonry/tentative/subgrid/column/masonry-subgrid-002f.html (#40830)
  • OK /fetch/metadata/generated/css-font-face.https.sub.tentative.html (#32732)
    • PASS [expected FAIL] subtest: sec-fetch-dest
    • PASS [expected FAIL] subtest: sec-fetch-user
    • FAIL [expected PASS] subtest: sec-fetch-storage-access - Cross-site

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-storage-access - Same site
  • OK /fetch/metadata/generated/css-font-face.sub.tentative.html (#34624)
    • FAIL [expected PASS] subtest: sec-fetch-storage-access - Not sent to non-trustworthy same-origin destination

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • FAIL [expected PASS] subtest: sec-fetch-storage-access - Not sent to non-trustworthy same-site destination

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

  • OK /fetch/metadata/generated/element-img-environment-change.https.sub.html (#30111)
    • PASS [expected FAIL] subtest: sec-fetch-site - Cross-site, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-site - Same site, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-site - Same-Origin -&gt; Cross-Site -&gt; Same-Origin redirect, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-site - Same-Origin -&gt; Same-Site -&gt; Same-Origin redirect, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-site - Cross-Site -&gt; Same Origin, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-site - Cross-Site -&gt; Same-Site, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-site - Cross-Site -&gt; Cross-Site, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-site - Same-Origin -&gt; Same-Site, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-site - Same-Origin -&gt; Cross-Site, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-site - Same-Site -&gt; Same Origin, no attributes
    • And 4 more unexpected results...
  • OK /fetch/metadata/generated/element-img-environment-change.sub.html (#30111)
    • PASS [expected FAIL] subtest: sec-fetch-site - Not sent to non-trustworthy same-site destination, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-site - Not sent to non-trustworthy cross-site destination, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-mode - Not sent to non-trustworthy cross-site destination, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-dest - Not sent to non-trustworthy cross-site destination, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-user - Not sent to non-trustworthy cross-site destination, no attributes
  • ERROR /fetch/metadata/generated/serviceworker.https.sub.html (#36247)
    • FAIL [expected PASS] subtest: sec-fetch-site - Same origin, no options - registration

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

  • OK /html/browsers/history/the-history-interface/traverse_the_history_5.html (#21383)
    • FAIL [expected PASS] subtest: Multiple history traversals, last would be aborted

      assert_array_equals: Pages opened during history navigation expected property 1 to be 5 but got 3 (expected array [6, 5] got [6, 3])
      

  • OK [expected TIMEOUT] /html/interaction/focus/the-autofocus-attribute/autofocus-dialog.html (#29087)
    • FAIL [expected TIMEOUT] subtest: &lt;dialog&gt;-contained autofocus element gets focused when the dialog is shown

      assert_equals: expected "DIV" but got "BODY"
      

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

      assert_equals: expected "SPAN" but got "BODY"
      

    • PASS [expected NOTRUN] subtest: Non-HTMLElement should not support autofocus
    • TIMEOUT [expected NOTRUN] subtest: Host element with delegatesFocus should support autofocus

      Test timed out
      

  • OK /navigation-timing/test-navigation-type-reload.html (#33334)
    • PASS [expected FAIL] subtest: Reload domContentLoadedEventStart &gt; Original domContentLoadedEventStart
    • PASS [expected FAIL] subtest: Reload fetchStart &gt; Original fetchStart
  • CRASH [expected OK] /pointerevents/compat/pointerevent_touch-action_two-finger_interaction.html (#40418)
  • OK /preload/preload-error.sub.html (#37177)
    • FAIL [expected PASS] subtest: success (fetch): main

      assert_greater_than: http://web-platform.test:8000/preload/resources/dummy.xml?label=fetch should be loaded expected a number greater than 0 but got 0
      

    • PASS [expected FAIL] subtest: CORS (fetch): main
  • OK /reporting/same-origin-same-site-credentials.https.sub.html (#40479)
    • FAIL [expected PASS] subtest: Reporting endpoints received credentials.

      assert_equals: No additional cookies were received expected 4 but got 5
      

  • OK [expected ERROR] /resource-timing/cors-preflight.any.html (#28694)
  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?01-05 (#38975)
    • TIMEOUT [expected PASS] subtest: Navigate a window via anchor with javascript:-urls in report-only mode.

      Test timed out
      

    • NOTRUN [expected PASS] subtest: Navigate a window via anchor with javascript:-urls w/ default policy in report-only mode.
    • NOTRUN [expected PASS] subtest: Navigate a frame via anchor with javascript:-urls in enforcing mode.
  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?26-30 (#38807)
    • TIMEOUT [expected FAIL] subtest: Navigate a window via form-submission with javascript:-urls in report-only mode.

      Test timed out
      

    • NOTRUN [expected PASS] subtest: Navigate a window via form-submission with javascript:-urls w/ default policy in report-only mode.
    • NOTRUN [expected FAIL] subtest: Navigate a frame via form-submission with javascript:-urls in enforcing mode.
    • NOTRUN [expected PASS] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in enforcing mode.
  • OK /wasm/webapi/abort.any.html (#39966)
    • FAIL [expected PASS] subtest: instantiateStreaming() asynchronously racing with abort should succeed or reject with AbortError

      assert_equals: expected "AbortError" but got "CompileError"
      

  • OK [expected ERROR] /webxr/render_state_update.https.html (#27535)
Stable unexpected results (5)
  • OK [expected CRASH] /css/cssom/caretRangeFromPoint-replace-document.tentative.html
    • FAIL [expected PASS] subtest: document.caretRangeFromPoint(0, 0)

      document.caretRangeFromPoint is not a function
      

  • PASS [expected FAIL] /fullscreen/rendering/exit-fullscreen-scroll-to-unscrollable-area-overflow-hidden.html
  • PASS [expected FAIL] /fullscreen/rendering/exit-fullscreen-scroll-to-unscrollable-area-overflow-x-hidden.html
  • FAIL [expected PASS] /html/editing/editing-0/spelling-and-grammar-checking/spelling-markers-007.html
  • FAIL [expected PASS] /html/editing/editing-0/spelling-and-grammar-checking/spelling-markers-008.html

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⚠️ Try run (#19708923336) failed.

@Loirooriol Loirooriol marked this pull request as draft November 27, 2025 02:33
@Loirooriol Loirooriol force-pushed the avoid-unnecessary-layouts branch from 779b1fb to 917a65e Compare November 28, 2025 12:01
@Loirooriol Loirooriol added the T-linux-wpt Do a try run of the WPT label Nov 28, 2025
@github-actions github-actions bot removed the T-linux-wpt Do a try run of the WPT label Nov 28, 2025
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🔨 Triggering try run (#19763220592) for Linux (WPT)

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⚠️ JUnit XML file not found

The CLI was unable to find any JUnit XML files to upload.
For more help, visit our troubleshooting guide.

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⚠️ Try run (#19763220592) failed.

@Loirooriol Loirooriol force-pushed the avoid-unnecessary-layouts branch from 917a65e to 0fce6f0 Compare November 28, 2025 12:36
@Loirooriol Loirooriol added the T-linux-wpt Do a try run of the WPT label Nov 28, 2025
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🔨 Triggering try run (#19764038741) for Linux (WPT)

@Loirooriol Loirooriol force-pushed the avoid-unnecessary-layouts branch from 0fce6f0 to 818c1f4 Compare November 28, 2025 12:50
@Loirooriol Loirooriol added the T-linux-wpt Do a try run of the WPT label Nov 28, 2025
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🔨 Triggering try run (#19764347510) for Linux (WPT)

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Test results for linux-wpt from try job (#19764347510):

Flaky unexpected result (28)
  • OK /IndexedDB/idbfactory_open.any.html
    • FAIL [expected PASS] subtest: Calling open() with version argument 1.5 should not throw.

      assert_equals: version expected 1 but got 9007199254740991
      

  • OK /_mozilla/css/offset_properties_inline.html (#40543)
    • FAIL [expected PASS] subtest: offsetTop

      assert_equals: offsetTop of #inline-1 should be 0. expected 0 but got -1
      

    • FAIL [expected PASS] subtest: offsetLeft

      assert_equals: offsetLeft of #inline-2 should be 40. expected 40 but got 25
      

  • OK /_mozilla/webxr/create_session.https.html
    • FAIL [expected PASS] subtest: create_session

      can't access property "simulateDeviceConnection", navigator.xr.test is undefined
      

  • OK /_mozilla/webxr/obtain_frame.https.html
    • FAIL [expected PASS] subtest: obtain_frame

      promise_test: Unhandled rejection with value: object "TypeError: can't access property "simulateDeviceConnection", navigator.xr.test is undefined"
      

  • ERROR [expected OK] /_webgl/conformance/attribs/gl-bindAttribLocation-matrix.html
  • CRASH [expected OK] /_webgl/conformance2/wasm/readpixels-2gb-in-4gb-wasm-memory.html
  • TIMEOUT /content-security-policy/inheritance/location-reload.html (#38983)
    • PASS [expected FAIL] subtest: location.reload() of empty iframe.
  • CRASH [expected PASS] /css/CSS2/borders/border-top-applies-to-005.xht
  • FAIL [expected PASS] /css/css-backgrounds/background-size-041.html
  • OK /css/css-cascade/layer-cssom-order-reverse.html (#36094)
    • PASS [expected FAIL] subtest: Delete layer invalidates @font-face
  • OK /css/css-fonts/generic-family-keywords-001.html (#37467)
    • FAIL [expected PASS] subtest: @font-face matching for quoted and unquoted generic(khmer-mul)

      assert_equals: quoted generic(khmer-mul) matches  @font-face rule expected 50 but got 30
      

    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted generic(nastaliq)
  • OK /html/browsers/browsing-the-web/navigating-across-documents/005.html (#27062)
    • PASS [expected FAIL] subtest: Link with onclick navigation 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 OK] /html/browsers/history/the-location-interface/assign-with-nested-iframe.html
  • TIMEOUT [expected OK] /html/interaction/focus/the-autofocus-attribute/update-the-rendering.html (#24145)
    • TIMEOUT [expected FAIL] subtest: "Flush autofocus candidates" should be happen before a scroll event and animation frame callbacks

      Test timed out
      

  • OK /html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy-reload-location-reload.html (#32595)
    • FAIL [expected PASS] subtest: Reloading iframe loading='lazy' before it is loaded: location.reload

      uncaught exception: Error: assert_equals: expected "http://web-platform.test:8000/html/semantics/embedded-content/the-iframe-element/support/blank.htm?src" but got "about:blank"
      

  • OK /html/semantics/forms/form-submission-0/multipart-formdata.window.html (#28725)
    • PASS [expected FAIL] subtest: multipart/form-data: 0x00 in value (formdata event)
    • PASS [expected FAIL] subtest: multipart/form-data: single quote in value (normal form)
  • OK /html/semantics/forms/form-submission-0/text-plain.window.html (#28687)
    • FAIL [expected PASS] subtest: text/plain: Basic test (formdata event)

      assert_equals: expected "basic=test\r\n" but got ""
      

    • FAIL [expected PASS] subtest: text/plain: Basic File test (normal form)

      assert_equals: expected "basic=file-test.txt\r\n" but got ""
      

    • PASS [expected FAIL] subtest: text/plain: backslash in filename (normal form)
  • OK /html/semantics/forms/form-submission-0/urlencoded2.window.html (#28687)
    • FAIL [expected PASS] subtest: application/x-www-form-urlencoded: Basic File test (normal form)

      assert_equals: expected "basic=file-test.txt" but got ""
      

    • PASS [expected FAIL] subtest: application/x-www-form-urlencoded: 0x00 in name (normal form)
    • PASS [expected FAIL] subtest: application/x-www-form-urlencoded: 0x00 in value (formdata event)
  • OK [expected CRASH] /html/semantics/forms/the-fieldset-element/disabled-003.html (#31730, #39631)
  • OK /preload/preload-xhr.html (#39092)
    • FAIL [expected PASS] subtest: Make an XHR request immediately after creating link rel=preload.

      assert_equals: resources/dummy.xml?token=f531fb5a-0ea1-4a61-89df-8c0c9f4b8526 expected 1 but got 0
      

  • CRASH [expected OK] /trusted-types/eval-csp-no-tt.html
  • CRASH [expected OK] /trusted-types/trusted-types-duplicate-names.html
  • OK [expected TIMEOUT] /trusted-types/trusted-types-navigation.html?31-35 (#38034)
    • PASS [expected TIMEOUT] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in report-only mode.
    • FAIL [expected NOTRUN] subtest: Navigate a window via form-submission with javascript:-urls w/ a default policy throwing an exception in enforcing mode.

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

    • FAIL [expected NOTRUN] subtest: Navigate a window via form-submission with javascript:-urls w/ a default policy throwing an exception in report-only mode.

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

    • FAIL [expected NOTRUN] subtest: Navigate a window via form-submission with javascript:-urls w/ a default policy making the URL invalid in enforcing mode.

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

  • CRASH [expected OK] /trusted-types/trusted-types-reporting-for-Document-execCommand.html
  • CRASH [expected OK] /uievents/click/click_event_target_siblings.html
  • CRASH [expected ERROR] /wasm/webapi/empty-body.any.serviceworker.html
  • OK [expected ERROR] /webxr/render_state_update.https.html (#27535)
Stable unexpected results that are known to be intermittent (30)
  • OK /IndexedDB/idbobjectstore_getAll.any.html (#39276)
    • PASS [expected FAIL] subtest: Get all values with transaction.commit()
  • OK /IndexedDB/idbobjectstore_getAll.any.worker.html (#39400)
    • PASS [expected FAIL] subtest: Get all values with transaction.commit()
  • FAIL [expected PASS] /_mozilla/mozilla/sslfail.html (#10760)
  • TIMEOUT [expected OK] /_mozilla/mozilla/window_resize_event.html (#36741)
    • TIMEOUT [expected PASS] subtest: Popup onresize event fires after resizeTo

      Test timed out
      

  • OK /_webgl/conformance/textures/misc/texture-upload-size.html (#21770)
    • PASS [expected FAIL] subtest: WebGL test #45
    • PASS [expected FAIL] subtest: WebGL test #47
    • PASS [expected FAIL] subtest: WebGL test #49
    • PASS [expected FAIL] subtest: WebGL test #51
    • FAIL [expected PASS] subtest: WebGL test #53

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

    • FAIL [expected PASS] subtest: WebGL test #55

      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 #57

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

    • FAIL [expected PASS] subtest: WebGL test #59

      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 #61
    • PASS [expected FAIL] subtest: WebGL test #63
    • And 6 more unexpected results...
  • OK /css/css-fonts/generic-family-keywords-003.html (#38994)
    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted cursive (drawing text in a canvas)
    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted ui-monospace (drawing text in a canvas)
  • FAIL [expected PASS] /css/css-grid/grid-lanes/tentative/alignment/row-grid-lanes-align-self-003.html (#40833)
  • FAIL [expected PASS] /css/css-grid/grid-lanes/tentative/grid-placement/row-explicit-placement-004.html (#40834)
  • FAIL [expected PASS] /css/css-grid/masonry/tentative/subgrid/column/masonry-subgrid-002f.html (#40830)
  • OK /fetch/fetch-later/permissions-policy/deferred-fetch-allowed-by-permissions-policy.https.window.html (#40478)
    • PASS [expected FAIL] subtest: Permissions policy header: "deferred-fetch=*" allows fetchLater() in the top-level document.
  • OK /fetch/metadata/generated/css-font-face.https.sub.tentative.html (#32732)
    • PASS [expected FAIL] subtest: sec-fetch-mode
  • OK /fetch/metadata/generated/css-font-face.sub.tentative.html (#34624)
    • FAIL [expected PASS] subtest: sec-fetch-storage-access - Not sent to non-trustworthy same-origin destination

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

  • OK /fetch/metadata/generated/element-img-environment-change.https.sub.html (#30111)
    • PASS [expected FAIL] subtest: sec-fetch-site - Cross-site, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-site - Same-Origin -&gt; Same Origin, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-mode - attributes: crossorigin=use-credentials

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-dest - no attributes
  • OK /fetch/metadata/generated/element-img-environment-change.sub.html (#30111)
    • PASS [expected FAIL] subtest: sec-fetch-site - Not sent to non-trustworthy cross-site destination, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-mode - Not sent to non-trustworthy cross-site destination, no attributes
  • OK [expected CRASH] /fetch/metadata/window-open.https.sub.html (#40339)
    • PASS [expected TIMEOUT] subtest: Same-origin window, user-activated
    • PASS [expected TIMEOUT] subtest: Same-site window, user-activated
    • PASS [expected TIMEOUT] subtest: Cross-site window, user-activated
    • FAIL [expected PASS] subtest: Same-site window, user-activated: sec-fetch-site

      assert_equals: expected "same-site" but got "same-origin"
      

    • FAIL [expected PASS] subtest: Cross-site window, user-activated: sec-fetch-site

      assert_equals: expected "cross-site" but got "same-origin"
      

  • OK [expected ERROR] /focus/focus-event-after-switching-iframes.sub.html (#40368)
  • OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin-fragment.html (#20768)
    • PASS [expected FAIL] subtest: Tests that a fragment navigation in the unload handler will not block the initial navigation
  • 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
  • OK /html/browsers/history/the-history-interface/traverse_the_history_5.html (#21383)
    • FAIL [expected PASS] subtest: Multiple history traversals, last would be aborted

      assert_array_equals: Pages opened during history navigation expected property 1 to be 5 but got 3 (expected array [6, 5] got [6, 3])
      

  • 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]
      }"
      

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

      assert_equals: expected "SPAN" but got "BODY"
      

    • PASS [expected NOTRUN] subtest: Non-HTMLElement should not support autofocus
    • TIMEOUT [expected NOTRUN] subtest: Host element with delegatesFocus should support autofocus

      Test timed out
      

  • OK /html/semantics/embedded-content/media-elements/preserves-pitch.html (#40352)
    • FAIL [expected PASS] subtest: The default playbackRate should not affect pitch, even with preservesPitch=false

      assert_approx_equals: The actual pitch should be close to the expected pitch. expected 440 +/- 66 but got 0
      

    • FAIL [expected PASS] subtest: Speed-ups should not change the pitch when preservesPitch=true

      assert_approx_equals: The actual pitch should be close to the expected pitch. expected 440 +/- 66 but got 0
      

    • FAIL [expected PASS] subtest: Slow-downs should not change the pitch when preservesPitch=true

      assert_approx_equals: The actual pitch should be close to the expected pitch. expected 440 +/- 66 but got 0
      

  • OK /html/webappapis/user-prompts/print-during-unload.html (#35944)
    • FAIL [expected PASS] subtest: print() during unload

      assert_array_equals: expected property 1 to be "destination" but got "error: window.print is not a function" (expected array ["start", "destination"] got ["start", "error: window.print is not a function"])
      

  • OK /navigation-timing/test-navigation-type-reload.html (#33334)
    • PASS [expected FAIL] subtest: Reload domComplete &gt; Original domComplete
    • PASS [expected FAIL] subtest: Reload domContentLoadedEventStart &gt; Original domContentLoadedEventStart
    • PASS [expected FAIL] subtest: Reload domInteractive &gt; Original domInteractive
    • PASS [expected FAIL] subtest: Reload fetchStart &gt; Original fetchStart
    • PASS [expected FAIL] subtest: Reload loadEventEnd &gt; Original loadEventEnd
    • PASS [expected FAIL] subtest: Reload loadEventStart &gt; Original loadEventStart
  • CRASH [expected OK] /pointerevents/compat/pointerevent_touch-action_two-finger_interaction.html (#40418)
  • OK /preload/preload-error.sub.html (#37177)
    • FAIL [expected PASS] subtest: 404 (fetch): main

      assert_greater_than: http://web-platform.test:8000/preload/resources/dummy.xml?pipe=status%28404%29&amp;label=fetch should be loaded expected a number greater than 0 but got 0
      

    • PASS [expected FAIL] subtest: CORS (fetch): main
  • 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 [expected ERROR] /resource-timing/cors-preflight.any.html (#28694)
  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?01-05 (#38975)
    • TIMEOUT [expected PASS] subtest: Navigate a window via anchor with javascript:-urls in report-only mode.

      Test timed out
      

    • NOTRUN [expected PASS] subtest: Navigate a window via anchor with javascript:-urls w/ default policy in report-only mode.
    • NOTRUN [expected PASS] subtest: Navigate a frame via anchor with javascript:-urls in enforcing mode.
  • OK /trusted-types/trusted-types-navigation.html?26-30 (#38807)
    • PASS [expected FAIL] subtest: Navigate a window via form-submission with javascript:-urls in report-only mode.
    • PASS [expected FAIL] subtest: Navigate a frame via form-submission with javascript:-urls in enforcing mode.

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✨ Try run (#19764347510) succeeded.

@Loirooriol Loirooriol marked this pull request as ready for review November 28, 2025 13:54
@Loirooriol Loirooriol force-pushed the avoid-unnecessary-layouts branch 2 times, most recently from 72a836b to 015d0b3 Compare December 1, 2025 16:40
@servo-highfive servo-highfive removed the S-awaiting-review There is new code that needs to be reviewed. label Dec 1, 2025
@Loirooriol Loirooriol force-pushed the avoid-unnecessary-layouts branch from 015d0b3 to 121b654 Compare December 1, 2025 16:43
@servo-highfive servo-highfive added the S-awaiting-review There is new code that needs to be reviewed. label Dec 1, 2025
@Loirooriol Loirooriol added the T-linux-wpt Do a try run of the WPT label Dec 1, 2025
@github-actions github-actions bot removed the T-linux-wpt Do a try run of the WPT label Dec 1, 2025
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github-actions bot commented Dec 1, 2025

🔨 Triggering try run (#19830313896) for Linux (WPT)

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github-actions bot commented Dec 1, 2025

Test results for linux-wpt from try job (#19830313896):

Flaky unexpected result (31)
  • TIMEOUT /FileAPI/url/url-in-tags-revoke.window.html (#19978)
    • TIMEOUT [expected PASS] subtest: Fetching a blob URL immediately before revoking it works in &lt;script&gt; tags.

      Test timed out
      

  • OK /IndexedDB/idbfactory_open.any.html
    • FAIL [expected PASS] subtest: Calling open() with version argument 1.5 should not throw.

      assert_equals: version expected 1 but got 9007199254740991
      

  • OK /_mozilla/css/offset_properties_inline.html (#40543)
    • FAIL [expected PASS] subtest: offsetTop

      assert_equals: offsetTop of #inline-1 should be 0. expected 0 but got -1
      

    • FAIL [expected PASS] subtest: offsetLeft

      assert_equals: offsetLeft of #inline-2 should be 40. expected 40 but got 25
      

  • OK /_mozilla/mozilla/getBoundingClientRect.html (#39668)
    • FAIL [expected PASS] subtest: getBoundingClientRect 1

      assert_equals: expected 62 but got 60.35
      

  • CRASH [expected PASS] /_mozilla/shadow-dom/move-element-with-ua-shadow-tree-crash.html (#39473)
  • OK /_mozilla/webxr/create_session.https.html
    • FAIL [expected PASS] subtest: create_session

      can't access property "simulateDeviceConnection", navigator.xr.test is undefined
      

  • ERROR [expected OK] /_webgl/conformance/attribs/gl-bindAttribLocation-matrix.html
  • FAIL [expected PASS] /css/css-backgrounds/background-size-041.html
  • OK /css/css-cascade/layer-font-face-override.html (#35935)
    • PASS [expected FAIL] subtest: @font-face override update with appended sheet 1
    • PASS [expected FAIL] subtest: @font-face override update with appended sheet 2
  • OK /custom-elements/form-associated/ElementInternals-setFormValue.html (#29174)
    • PASS [expected FAIL] subtest: Single value - empty name exists
    • PASS [expected FAIL] subtest: Single value - Non-empty name exists
  • OK /html/browsers/browsing-the-web/navigating-across-documents/005.html (#27062)
    • PASS [expected FAIL] subtest: Link with onclick navigation and href navigation
  • CRASH [expected OK] /html/browsers/history/the-location-interface/reload_document_open_write.html
  • CRASH [expected OK] /html/semantics/embedded-content/media-elements/playing-the-media-resource/pause-move-within-document.html
  • OK /html/semantics/forms/form-submission-0/multipart-formdata.window.html (#28725)
    • FAIL [expected PASS] subtest: multipart/form-data: Basic test (formdata event)

      assert_equals: expected "\r\nContent-Disposition: form-data; name=\"basic\"\r\n\r\ntest\r\n--\r\n" but got ""
      

  • OK /html/semantics/forms/form-submission-0/text-plain.window.html (#28687)
    • FAIL [expected PASS] subtest: text/plain: Basic test (formdata event)

      assert_equals: expected "basic=test\r\n" but got ""
      

    • FAIL [expected PASS] subtest: text/plain: Basic File test (normal form)

      assert_equals: expected "basic=file-test.txt\r\n" but got ""
      

    • PASS [expected FAIL] subtest: text/plain: Basic File test (formdata event)
    • PASS [expected FAIL] subtest: text/plain: 0x00 in value (formdata event)
  • OK /html/semantics/forms/form-submission-0/urlencoded2.window.html (#28687)
    • FAIL [expected PASS] subtest: application/x-www-form-urlencoded: Basic File test (normal form)

      assert_equals: expected "basic=file-test.txt" but got ""
      

    • PASS [expected FAIL] subtest: application/x-www-form-urlencoded: Basic File test (formdata event)
    • PASS [expected FAIL] subtest: application/x-www-form-urlencoded: 0x00 in value (formdata event)
  • TIMEOUT [expected ERROR] /html/semantics/links/links-created-by-a-and-area-elements/target_blank_implicit_noopener_base.html (#40347)
  • OK [expected ERROR] /html/user-activation/no-activation-thru-escape-key.html (#40343)
  • CRASH [expected OK] /html/webappapis/dynamic-markup-insertion/opening-the-input-stream/remove-initial-about-blankness.window.html (#28684)
  • CRASH [expected OK] /mixed-content/gen/top.http-rp/opt-in/link-css-tag.https.html
  • CRASH [expected OK] /pointerevents/compat/pointerevent_touch-action_two-finger_interaction.html (#40418)
  • TIMEOUT /resource-timing/test_resource_timing.https.html (#25216)
    • PASS [expected FAIL] subtest: PerformanceEntry has correct name, initiatorType, startTime, and duration (img)
  • OK /service-workers/service-worker/fetch-event.https.html (#36234)
    • PASS [expected FAIL] subtest: Service Worker falls back to network in fetch event with POST form
  • CRASH [expected OK] /trusted-types/Node-multiple-arguments.html
  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?01-05 (#38975)
    • TIMEOUT [expected PASS] subtest: Navigate a window via anchor with javascript:-urls in report-only mode.

      Test timed out
      

    • NOTRUN [expected PASS] subtest: Navigate a window via anchor with javascript:-urls w/ default policy in report-only mode.
    • NOTRUN [expected PASS] subtest: Navigate a frame via anchor with javascript:-urls in enforcing mode.
  • TIMEOUT /trusted-types/trusted-types-navigation.html?06-10 (#37920)
    • PASS [expected FAIL] subtest: Navigate a frame via anchor with javascript:-urls in report-only mode.
  • CRASH [expected OK] /trusted-types/trusted-types-reporting-for-Document-execCommand.html
  • OK /wasm/webapi/abort.any.html (#39966)
    • FAIL [expected PASS] subtest: compileStreaming() asynchronously racing with abort should succeed or reject with AbortError

      assert_equals: expected "AbortError" but got "CompileError"
      

    • FAIL [expected PASS] subtest: instantiateStreaming() asynchronously racing with abort should succeed or reject with AbortError

      assert_equals: expected "AbortError" but got "CompileError"
      

  • CRASH [expected OK] /webaudio/the-audio-api/the-audioparam-interface/audioparam-default-value.window.html
  • OK [expected ERROR] /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 (30)
  • OK /IndexedDB/idbobjectstore_getAll.any.html (#39276)
    • PASS [expected FAIL] subtest: Get all values with transaction.commit()
  • OK /IndexedDB/idbobjectstore_getAll.any.worker.html (#39400)
    • PASS [expected FAIL] subtest: Get all values with transaction.commit()
  • OK /IndexedDB/transaction-deactivation-timing.any.html (#38772)
    • PASS [expected FAIL] subtest: New transactions are deactivated before next task
  • FAIL [expected PASS] /_mozilla/mozilla/sslfail.html (#10760)
  • TIMEOUT [expected OK] /_mozilla/mozilla/window_resize_event.html (#36741)
    • TIMEOUT [expected PASS] subtest: Popup onresize event fires after resizeTo

      Test timed out
      

  • TIMEOUT /content-security-policy/inheritance/location-reload.html (#38983)
    • PASS [expected FAIL] subtest: location.reload() of empty iframe.
  • OK /css/css-fonts/generic-family-keywords-001.html (#37467)
    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted generic(fangsong)
    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted generic(kai)
    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted generic(nastaliq)
  • OK /css/css-fonts/generic-family-keywords-002.html (#40929)
    • FAIL [expected PASS] subtest: font-family: -webkit-serif treated as &lt;font-family&gt;, not &lt;generic-name&gt;

      assert_equals: expected 30 but got 50
      

    • FAIL [expected PASS] subtest: font-family: -webkit-sans-serif treated as &lt;font-family&gt;, not &lt;generic-name&gt;

      assert_equals: expected 30 but got 50
      

    • FAIL [expected PASS] subtest: font-family: -webkit-cursive treated as &lt;font-family&gt;, not &lt;generic-name&gt;

      assert_equals: expected 30 but got 50
      

    • FAIL [expected PASS] subtest: font-family: -webkit-fantasy treated as &lt;font-family&gt;, not &lt;generic-name&gt;

      assert_equals: expected 30 but got 50
      

    • FAIL [expected PASS] subtest: font-family: -webkit-monospace treated as &lt;font-family&gt;, not &lt;generic-name&gt;

      assert_equals: expected 30 but got 50
      

    • FAIL [expected PASS] subtest: font-family: -webkit-system-ui treated as &lt;font-family&gt;, not &lt;generic-name&gt;

      assert_equals: expected 30 but got 50
      

    • FAIL [expected PASS] subtest: font-family: -webkit-math treated as &lt;font-family&gt;, not &lt;generic-name&gt;

      assert_equals: expected 30 but got 50
      

    • PASS [expected FAIL] subtest: font-family: -webkit-generic(fangsong) treated as &lt;font-family&gt;, not &lt;generic-name&gt;
    • PASS [expected FAIL] subtest: font-family: -webkit-generic(kai) treated as &lt;font-family&gt;, not &lt;generic-name&gt;
    • PASS [expected FAIL] subtest: font-family: -webkit-generic(khmer-mul) treated as &lt;font-family&gt;, not &lt;generic-name&gt;
    • And 12 more unexpected results...
  • FAIL [expected PASS] /css/css-grid/grid-lanes/tentative/alignment/row-grid-lanes-align-self-003.html (#40833)
  • FAIL [expected PASS] /css/css-grid/grid-lanes/tentative/grid-placement/row-explicit-placement-004.html (#40834)
  • FAIL [expected PASS] /css/css-grid/masonry/tentative/subgrid/column/masonry-subgrid-002f.html (#40830)
  • TIMEOUT [expected OK] /fetch/api/redirect/redirect-keepalive.https.any.html (#32153)
    • TIMEOUT [expected PASS] subtest: [keepalive][iframe][load] mixed content redirect; setting up

      Test timed out
      

  • OK /fetch/fetch-later/permissions-policy/deferred-fetch-allowed-by-permissions-policy.https.window.html (#40478)
    • PASS [expected FAIL] subtest: Permissions policy header: "deferred-fetch=*" allows fetchLater() in the top-level document.
  • OK /fetch/metadata/generated/css-font-face.https.sub.tentative.html (#32732)
    • FAIL [expected PASS] subtest: sec-fetch-storage-access - Cross-site

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

  • OK /fetch/metadata/generated/css-font-face.sub.tentative.html (#34624)
    • FAIL [expected PASS] subtest: sec-fetch-storage-access - Not sent to non-trustworthy same-origin destination

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • FAIL [expected PASS] subtest: sec-fetch-storage-access - Not sent to non-trustworthy same-site destination

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

  • OK /fetch/metadata/generated/element-img-environment-change.https.sub.html (#30111)
    • FAIL [expected PASS] subtest: sec-fetch-site - Same site, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • FAIL [expected PASS] subtest: sec-fetch-site - Same-Origin -&gt; Same-Site -&gt; Same-Origin redirect, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • FAIL [expected PASS] subtest: sec-fetch-site - Cross-Site -&gt; Same-Site, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-site - Cross-Site -&gt; Cross-Site, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-site - Same-Origin -&gt; Same Origin, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-site - Same-Origin -&gt; Cross-Site, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-site - Same-Site -&gt; Same Origin, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-site - Same-Site -&gt; Same-Site, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • FAIL [expected PASS] subtest: sec-fetch-mode - attributes: crossorigin

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • FAIL [expected PASS] subtest: sec-fetch-mode - attributes: crossorigin=use-credentials

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • And 1 more unexpected results...
  • OK /fetch/metadata/generated/element-img-environment-change.sub.html (#30111)
    • PASS [expected FAIL] subtest: sec-fetch-site - Not sent to non-trustworthy cross-site destination, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-mode - Not sent to non-trustworthy same-origin destination, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-mode - Not sent to non-trustworthy same-site destination, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-dest - Not sent to non-trustworthy same-origin destination, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-dest - Not sent to non-trustworthy same-site destination, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-dest - Not sent to non-trustworthy cross-site destination, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-user - Not sent to non-trustworthy cross-site destination, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-site - HTTPS downgrade-upgrade, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

  • ERROR [expected CRASH] /fetch/metadata/window-open.https.sub.html (#40339)
    • PASS [expected TIMEOUT] subtest: Same-origin window, user-activated
    • PASS [expected TIMEOUT] subtest: Same-site window, user-activated
    • PASS [expected TIMEOUT] subtest: Cross-site window, user-activated
    • FAIL [expected PASS] subtest: Same-site window, user-activated: sec-fetch-site

      assert_equals: expected "same-site" but got "same-origin"
      

    • FAIL [expected PASS] subtest: Cross-site window, user-activated: sec-fetch-site

      assert_equals: expected "cross-site" but got "same-origin"
      

  • OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin-fragment.html (#20768)
    • PASS [expected FAIL] subtest: Tests that a fragment navigation in the unload handler will not block the initial navigation
  • 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
  • OK [expected TIMEOUT] /html/interaction/focus/the-autofocus-attribute/autofocus-dialog.html (#29087)
    • FAIL [expected TIMEOUT] subtest: &lt;dialog&gt;-contained autofocus element gets focused when the dialog is shown

      assert_equals: expected "DIV" but got "BODY"
      

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

      assert_equals: expected "SPAN" but got "BODY"
      

    • PASS [expected NOTRUN] subtest: Non-HTMLElement should not support autofocus
    • TIMEOUT [expected NOTRUN] subtest: Host element with delegatesFocus should support autofocus

      Test timed out
      

  • OK /html/semantics/embedded-content/media-elements/preserves-pitch.html (#40352)
    • FAIL [expected PASS] subtest: The default playbackRate should not affect pitch, even with preservesPitch=false

      assert_approx_equals: The actual pitch should be close to the expected pitch. expected 440 +/- 66 but got 0
      

    • FAIL [expected PASS] subtest: Speed-ups should not change the pitch when preservesPitch=true

      assert_approx_equals: The actual pitch should be close to the expected pitch. expected 440 +/- 66 but got 0
      

    • FAIL [expected PASS] subtest: Slow-downs should not change the pitch when preservesPitch=true

      assert_approx_equals: The actual pitch should be close to the expected pitch. expected 440 +/- 66 but got 0
      

  • OK [expected CRASH] /html/semantics/forms/the-fieldset-element/disabled-003.html (#31730, #39631)
  • OK /html/semantics/scripting-1/the-script-element/module/dynamic-import/blob-url.any.worker.html (#33909)
    • FAIL [expected PASS] subtest: Revoking a blob URL immediately after calling import will not fail

      promise_test: Unhandled rejection with value: object "TypeError: Dynamic import failed"
      

  • OK /navigation-timing/test-navigation-type-reload.html (#33334)
    • FAIL [expected PASS] subtest: Reload domContentLoadedEventEnd &gt; Original domContentLoadedEventEnd

      assert_true: Reload domContentLoadedEventEnd &gt; Original domContentLoadedEventEnd expected true got false
      

    • PASS [expected FAIL] subtest: Reload domContentLoadedEventStart &gt; Original domContentLoadedEventStart
    • PASS [expected FAIL] subtest: Reload fetchStart &gt; Original fetchStart
  • OK /preload/preload-error.sub.html (#37177)
    • PASS [expected FAIL] subtest: CORS (fetch): main
  • OK [expected ERROR] /resource-timing/cors-preflight.any.html (#28694)
  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?26-30 (#38807)
    • TIMEOUT [expected FAIL] subtest: Navigate a window via form-submission with javascript:-urls in report-only mode.

      Test timed out
      

    • NOTRUN [expected PASS] subtest: Navigate a window via form-submission with javascript:-urls w/ default policy in report-only mode.
    • NOTRUN [expected FAIL] subtest: Navigate a frame via form-submission with javascript:-urls in enforcing mode.
    • NOTRUN [expected PASS] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in enforcing mode.
  • OK [expected TIMEOUT] /webstorage/localstorage-about-blank-3P-iframe-opens-3P-window.partitioned.html (#29053)
    • PASS [expected TIMEOUT] subtest: StorageKey: test 3P about:blank window opened from a 3P iframe
Stable unexpected results (6)
  • OK /html/semantics/forms/textfieldselection/selection-not-application.html?default
    • FAIL [expected PASS] subtest: selectionStart on an input[type=hidden] returns null

      assert_equals: expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: selectionEnd on an input[type=hidden] returns null

      assert_equals: expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: selectionDirection on an input[type=hidden] returns null

      assert_equals: expected (object) null but got (string) "none"
      

    • FAIL [expected PASS] subtest: assigning selectionStart on an input[type=hidden] throws InvalidStateError

      assert_throws_dom: function "function(){
              el.selectionStart = 0;
            }" did not throw
      

    • FAIL [expected PASS] subtest: assigning selectionEnd on an input[type=hidden] throws InvalidStateError

      assert_throws_dom: function "function(){
              el.selectionEnd = 0;
            }" did not throw
      

    • FAIL [expected PASS] subtest: assigning selectionDirection on an input[type=hidden] throws InvalidStateError

      assert_throws_dom: function "function(){
              el.selectionDirection = 'none';
            }" did not throw
      

    • FAIL [expected PASS] subtest: setRangeText on an input[type=hidden] throws InvalidStateError

      assert_throws_dom: function "function(){
              el.setRangeText("foobar");
            }" did not throw
      

    • FAIL [expected PASS] subtest: setSelectionRange on an input[type=hidden] throws InvalidStateError

      assert_throws_dom: function "function(){
              el.setSelectionRange(0, 1);
            }" did not throw
      

    • FAIL [expected PASS] subtest: selectionStart on an input[type=email] returns null

      assert_equals: expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: selectionEnd on an input[type=email] returns null

      assert_equals: expected (object) null but got (number) 0
      

    • And 46 more unexpected results...
  • OK /html/semantics/forms/textfieldselection/selection-not-application.html?week,month
    • FAIL [expected PASS] subtest: selectionStart on an input[type=week] returns null

      assert_equals: expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: selectionEnd on an input[type=week] returns null

      assert_equals: expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: selectionDirection on an input[type=week] returns null

      assert_equals: expected (object) null but got (string) "none"
      

    • FAIL [expected PASS] subtest: assigning selectionStart on an input[type=week] throws InvalidStateError

      assert_throws_dom: function "function(){
              el.selectionStart = 0;
            }" did not throw
      

    • FAIL [expected PASS] subtest: assigning selectionEnd on an input[type=week] throws InvalidStateError

      assert_throws_dom: function "function(){
              el.selectionEnd = 0;
            }" did not throw
      

    • FAIL [expected PASS] subtest: assigning selectionDirection on an input[type=week] throws InvalidStateError

      assert_throws_dom: function "function(){
              el.selectionDirection = 'none';
            }" did not throw
      

    • FAIL [expected PASS] subtest: setRangeText on an input[type=week] throws InvalidStateError

      assert_throws_dom: function "function(){
              el.setRangeText("foobar");
            }" did not throw
      

    • FAIL [expected PASS] subtest: setSelectionRange on an input[type=week] throws InvalidStateError

      assert_throws_dom: function "function(){
              el.setSelectionRange(0, 1);
            }" did not throw
      

    • FAIL [expected PASS] subtest: selectionStart on an input[type=month] returns null

      assert_equals: expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: selectionEnd on an input[type=month] returns null

      assert_equals: expected (object) null but got (number) 0
      

    • And 6 more unexpected results...
  • OK /html/semantics/forms/the-input-element/selection-weekmonth.html
    • FAIL [expected PASS] subtest: input type month should not support variable-length selections

      assert_equals: getting input.selectionStart expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: input type week should not support variable-length selections

      assert_equals: getting input.selectionStart expected (object) null but got (number) 0
      

  • OK /html/semantics/forms/the-input-element/selection.html
    • FAIL [expected PASS] subtest: input type range should do nothing when the select() method is called (but, not throw)

      assert_equals: selectionEnd must not change expected 0 but got 2
      

    • FAIL [expected PASS] subtest: input type hidden should not support variable-length selections

      assert_equals: getting input.selectionStart expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: input type email should not support variable-length selections

      assert_equals: getting input.selectionStart expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: input type date should not support variable-length selections

      assert_equals: getting input.selectionStart expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: input type time should not support variable-length selections

      assert_equals: getting input.selectionStart expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: input type datetime-local should not support variable-length selections

      assert_equals: getting input.selectionStart expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: input type number should not support variable-length selections

      assert_equals: getting input.selectionStart expected (object) null but got (number) 0
      

    • FAIL [expected PASS] subtest: input type range should not support variable-length selections

      assert_equals: getting input.selectionStart expected (object) null but got (number) 0
      

  • OK /html/semantics/forms/the-input-element/type-change-state-weekmonth.html
    • FAIL [expected PASS] subtest: change state from datetime-local to month

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from datetime-local to week

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from date to month

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from date to week

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from month to hidden

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from month to text

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from month to search

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from month to tel

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from month to url

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from month to email

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • And 22 more unexpected results...
  • OK /html/semantics/forms/the-input-element/type-change-state.html
    • FAIL [expected PASS] subtest: change state from datetime-local to hidden

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from datetime-local to text

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from datetime-local to search

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from datetime-local to tel

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from datetime-local to url

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from datetime-local to email

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from datetime-local to password

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from datetime-local to date

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from datetime-local to time

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • FAIL [expected PASS] subtest: change state from datetime-local to number

      assert_equals: selectionStart should be unchanged expected 2 but got 0
      

    • And 38 more unexpected results...

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github-actions bot commented Dec 1, 2025

⚠️ Try run (#19830313896) failed.

When for example changing the hover state of an element, we were
dirtying it with ContentOrHeritage damage, which forced it to be laid
out again.

This was added in servo#39102 in order to fix servo#38989, but it's no longer
needed.

Co-authored-by: Martin Robinson <[email protected]>
Signed-off-by: Oriol Brufau <[email protected]>
@Loirooriol Loirooriol force-pushed the avoid-unnecessary-layouts branch from 121b654 to d72e23e Compare December 2, 2025 01:09
@Loirooriol Loirooriol added the T-linux-wpt Do a try run of the WPT label Dec 2, 2025
@github-actions github-actions bot removed the T-linux-wpt Do a try run of the WPT label Dec 2, 2025
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github-actions bot commented Dec 2, 2025

🔨 Triggering try run (#19843150064) for Linux (WPT)

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github-actions bot commented Dec 2, 2025

Test results for linux-wpt from try job (#19843150064):

Flaky unexpected result (28)
  • OK /IndexedDB/idbfactory_open.any.html
    • FAIL [expected PASS] subtest: Calling open() with version argument 1.5 should not throw.

      assert_equals: version expected 1 but got 9007199254740991
      

  • OK /_mozilla/mozilla/getBoundingClientRect.html (#39668)
    • FAIL [expected PASS] subtest: getBoundingClientRect 1

      assert_equals: expected 62 but got 60.35
      

  • ERROR [expected OK] /_mozilla/mozilla/img_find_non_sibling_map.html
  • OK /_mozilla/webxr/create_session.https.html
    • FAIL [expected PASS] subtest: create_session

      can't access property "simulateDeviceConnection", navigator.xr.test is undefined
      

  • OK /_mozilla/webxr/obtain_frame.https.html
    • FAIL [expected PASS] subtest: obtain_frame

      promise_test: Unhandled rejection with value: object "TypeError: can't access property "simulateDeviceConnection", navigator.xr.test is undefined"
      

  • ERROR [expected TIMEOUT] /_mozilla/webxr/sessionavailable.https.html
  • OK /content-security-policy/frame-ancestors/frame-ancestors-path-ignored.window.html (#36468)
    • FAIL [expected PASS] subtest: A 'frame-ancestors' CSP directive with a URL that includes a path should be ignored.

      assert_unreached: The IFrame should have been blocked (or cross-origin). It wasn't. Reached unreachable code
      

  • TIMEOUT [expected OK] /fetch/api/redirect/redirect-keepalive.https.any.html (#32153)
    • TIMEOUT [expected PASS] subtest: [keepalive][iframe][load] mixed content redirect; setting up

      Test timed out
      

  • CRASH [expected OK] /html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-navigation-cross-origin.html
  • 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)
    • PASS [expected FAIL] subtest: Tests that a fragment navigation in the unload handler will not block the initial navigation
  • TIMEOUT /html/interaction/focus/the-autofocus-attribute/supported-elements.html (#24145)
    • FAIL [expected TIMEOUT] subtest: Element with tabindex should support autofocus

      assert_equals: expected "SPAN" but got "BODY"
      

    • TIMEOUT [expected NOTRUN] subtest: Non-HTMLElement should not support autofocus

      Test timed out
      

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

      Test timed out
      

  • OK /html/semantics/document-metadata/the-meta-element/pragma-directives/attr-meta-http-equiv-refresh/allow-scripts-flag-changing-2.html (#39703)
    • FAIL [expected PASS] subtest: Meta refresh of the original iframe is not blocked if moved into a sandboxed iframe

      uncaught exception: Error: assert_unreached: The iframe into which the meta was moved must not refresh Reached unreachable code
      

  • OK /html/semantics/forms/form-submission-0/text-plain.window.html (#28687)
    • FAIL [expected PASS] subtest: text/plain: Basic File test (normal form)

      assert_equals: expected "basic=file-test.txt\r\n" but got ""
      

    • PASS [expected FAIL] subtest: text/plain: \r\n in name (normal form)
    • PASS [expected FAIL] subtest: text/plain: \r\n in value (formdata event)
  • OK /html/semantics/forms/form-submission-0/urlencoded2.window.html (#28687)
    • FAIL [expected PASS] subtest: application/x-www-form-urlencoded: Basic File test (normal form)

      assert_equals: expected "basic=file-test.txt" but got ""
      

    • PASS [expected FAIL] subtest: application/x-www-form-urlencoded: Basic File test (formdata event)
    • PASS [expected FAIL] subtest: application/x-www-form-urlencoded: 0x00 in value (normal form)
  • OK [expected ERROR] /html/user-activation/no-activation-thru-escape-key.html (#40343)
  • CRASH [expected OK] /html/webappapis/scripting/processing-model-2/runtime-error-same-origin-with-hash.html
  • PASS [expected FAIL] /png/apng/fcTL-dispose-none.html
  • CRASH [expected OK] /pointerevents/compat/pointerevent_touch-action_two-finger_interaction.html (#40418)
  • OK /preload/preload-error.sub.html (#37177)
    • FAIL [expected PASS] subtest: success (fetch): main

      assert_greater_than: http://web-platform.test:8000/preload/resources/dummy.xml?label=fetch should be loaded expected a number greater than 0 but got 0
      

    • FAIL [expected PASS] subtest: 404 (fetch): main

      assert_greater_than: http://web-platform.test:8000/preload/resources/dummy.xml?pipe=status%28404%29&amp;label=fetch should be loaded expected a number greater than 0 but got 0
      

    • PASS [expected FAIL] subtest: CORS (fetch): main
  • OK /service-workers/service-worker/fetch-event.https.html (#36234)
    • PASS [expected FAIL] subtest: Service Worker falls back to network in fetch event with POST form
  • CRASH [expected OK] /trusted-types/set-event-handlers-content-attributes.tentative.html
  • TIMEOUT /trusted-types/trusted-types-navigation.html?31-35 (#38034)
    • TIMEOUT [expected PASS] subtest: Navigate a frame via form-submission with javascript:-urls in report-only mode.

      Test timed out
      

    • NOTRUN [expected TIMEOUT] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in report-only mode.
  • CRASH [expected TIMEOUT] /wasm/webapi/invalid-code.any.worker.html
  • OK /webdriver/tests/classic/execute_script/window.py
    • FAIL [expected PASS] subtest: test_web_reference[frame]

      AssertionError: no such window (404): No such window
      

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

      webdriver.error.NoSuchWindowException: no such window (404): No such window
      

  • OK [expected TIMEOUT] /webstorage/localstorage-about-blank-3P-iframe-opens-3P-window.partitioned.html (#29053)
    • PASS [expected TIMEOUT] subtest: StorageKey: test 3P about:blank window opened from a 3P iframe
Stable unexpected results that are known to be intermittent (25)
  • OK /IndexedDB/idbobjectstore_getAll.any.html (#39276)
    • PASS [expected FAIL] subtest: Get all values with transaction.commit()
  • OK /IndexedDB/idbobjectstore_getAll.any.worker.html (#39400)
    • PASS [expected FAIL] subtest: Get all values with transaction.commit()
  • OK /IndexedDB/transaction-deactivation-timing.any.worker.html (#38808)
    • PASS [expected FAIL] subtest: New transactions are deactivated before next task
  • FAIL [expected PASS] /_mozilla/mozilla/sslfail.html (#10760)
  • TIMEOUT [expected OK] /_mozilla/mozilla/window_resize_event.html (#36741)
    • TIMEOUT [expected PASS] subtest: Popup onresize event fires after resizeTo

      Test timed out
      

  • TIMEOUT /content-security-policy/inheritance/location-reload.html (#38983)
    • PASS [expected FAIL] subtest: location.reload() of empty iframe.
  • OK /css/css-cascade/layer-cssom-order-reverse.html (#36094)
    • PASS [expected FAIL] subtest: Delete layer invalidates @font-face
  • OK /css/css-fonts/generic-family-keywords-001.html (#37467)
    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted generic(fangsong)
    • FAIL [expected PASS] subtest: @font-face matching for quoted and unquoted generic(khmer-mul)

      assert_equals: quoted generic(khmer-mul) matches  @font-face rule expected 50 but got 30
      

  • OK /css/css-fonts/generic-family-keywords-003.html (#38994)
    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted ui-serif (drawing text in a canvas)
    • PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted ui-rounded (drawing text in a canvas)
  • FAIL [expected PASS] /css/css-grid/grid-lanes/tentative/alignment/row-grid-lanes-align-self-003.html (#40833)
  • FAIL [expected PASS] /css/css-grid/grid-lanes/tentative/grid-placement/row-explicit-placement-004.html (#40834)
  • FAIL [expected PASS] /css/css-grid/masonry/tentative/subgrid/column/masonry-subgrid-002f.html (#40830)
  • OK /fetch/fetch-later/permissions-policy/deferred-fetch-allowed-by-permissions-policy.https.window.html (#40478)
    • PASS [expected FAIL] subtest: Permissions policy header: "deferred-fetch=*" allows fetchLater() in the top-level document.
  • OK /fetch/metadata/generated/css-font-face.https.sub.tentative.html (#32732)
    • PASS [expected FAIL] subtest: sec-fetch-mode
    • PASS [expected FAIL] subtest: sec-fetch-user
  • OK /fetch/metadata/generated/css-font-face.sub.tentative.html (#34624)
    • PASS [expected FAIL] subtest: sec-fetch-storage-access - Not sent to non-trustworthy cross-site destination
  • OK /fetch/metadata/generated/element-img-environment-change.https.sub.html (#30111)
    • PASS [expected FAIL] subtest: sec-fetch-site - Same-Origin -&gt; Cross-Site -&gt; Same-Origin redirect, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-site - Same-Origin -&gt; Same-Site -&gt; Same-Origin redirect, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-site - Cross-Site -&gt; Same Origin, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-site - Cross-Site -&gt; Same-Site, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-site - Cross-Site -&gt; Cross-Site, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-site - Same-Origin -&gt; Same-Site, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-site - Same-Origin -&gt; Cross-Site, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-site - Same-Site -&gt; Same Origin, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-site - Same-Site -&gt; Same-Site, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-site - Same-Site -&gt; Cross-Site, no attributes
    • And 2 more unexpected results...
  • OK /fetch/metadata/generated/element-img-environment-change.sub.html (#30111)
    • PASS [expected FAIL] subtest: sec-fetch-site - Not sent to non-trustworthy cross-site destination, no attributes
    • FAIL [expected PASS] subtest: sec-fetch-mode - Not sent to non-trustworthy same-origin destination, no attributes

      promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
      

    • PASS [expected FAIL] subtest: sec-fetch-mode - Not sent to non-trustworthy same-site destination, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-mode - Not sent to non-trustworthy cross-site destination, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-dest - Not sent to non-trustworthy cross-site destination, no attributes
    • PASS [expected FAIL] subtest: sec-fetch-user - Not sent to non-trustworthy cross-site destination, no attributes
  • OK [expected CRASH] /fetch/metadata/window-open.https.sub.html (#40339)
    • PASS [expected TIMEOUT] subtest: Same-origin window, user-activated
    • PASS [expected TIMEOUT] subtest: Same-site window, user-activated
    • PASS [expected TIMEOUT] subtest: Cross-site window, user-activated
    • FAIL [expected PASS] subtest: Same-site window, user-activated: sec-fetch-site

      assert_equals: expected "same-site" but got "same-origin"
      

    • FAIL [expected PASS] subtest: Cross-site window, user-activated: sec-fetch-site

      assert_equals: expected "cross-site" but got "same-origin"
      

  • OK /html/browsers/history/the-history-interface/traverse_the_history_5.html (#21383)
    • FAIL [expected PASS] subtest: Multiple history traversals, last would be aborted

      assert_array_equals: Pages opened during history navigation expected property 1 to be 5 but got 3 (expected array [6, 5] got [6, 3])
      

  • OK [expected TIMEOUT] /html/interaction/focus/the-autofocus-attribute/autofocus-dialog.html (#29087)
    • FAIL [expected TIMEOUT] subtest: &lt;dialog&gt;-contained autofocus element gets focused when the dialog is shown

      assert_equals: expected "DIV" but got "BODY"
      

  • OK /html/semantics/embedded-content/media-elements/preserves-pitch.html (#40352)
    • FAIL [expected PASS] subtest: The default playbackRate should not affect pitch, even with preservesPitch=false

      assert_approx_equals: The actual pitch should be close to the expected pitch. expected 440 +/- 66 but got 0
      

    • FAIL [expected PASS] subtest: Speed-ups should not change the pitch when preservesPitch=true

      assert_approx_equals: The actual pitch should be close to the expected pitch. expected 440 +/- 66 but got 0
      

    • FAIL [expected PASS] subtest: Slow-downs should not change the pitch when preservesPitch=true

      assert_approx_equals: The actual pitch should be close to the expected pitch. expected 440 +/- 66 but got 0
      

  • 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.
  • OK /navigation-timing/test-navigation-type-reload.html (#33334)
    • FAIL [expected PASS] subtest: Reload domContentLoadedEventEnd &gt; Original domContentLoadedEventEnd

      assert_true: Reload domContentLoadedEventEnd &gt; Original domContentLoadedEventEnd expected true got false
      

  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?01-05 (#38975)
    • TIMEOUT [expected PASS] subtest: Navigate a window via anchor with javascript:-urls in report-only mode.

      Test timed out
      

    • NOTRUN [expected PASS] subtest: Navigate a window via anchor with javascript:-urls w/ default policy in report-only mode.
    • NOTRUN [expected PASS] subtest: Navigate a frame via anchor with javascript:-urls in enforcing mode.
  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?26-30 (#38807)
    • TIMEOUT [expected FAIL] subtest: Navigate a window via form-submission with javascript:-urls in report-only mode.

      Test timed out
      

    • NOTRUN [expected PASS] subtest: Navigate a window via form-submission with javascript:-urls w/ default policy in report-only mode.
    • NOTRUN [expected FAIL] subtest: Navigate a frame via form-submission with javascript:-urls in enforcing mode.
    • NOTRUN [expected PASS] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in enforcing mode.

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github-actions bot commented Dec 2, 2025

✨ Try run (#19843150064) succeeded.

@Loirooriol Loirooriol added this pull request to the merge queue Dec 2, 2025
@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 Dec 2, 2025
Merged via the queue into servo:main with commit 02ed2af Dec 2, 2025
65 checks passed
@Loirooriol Loirooriol deleted the avoid-unnecessary-layouts branch December 2, 2025 11:56
@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 Dec 2, 2025
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Element hover state no longer cleared correctly on cursor left

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