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Upgrade Stylo to 2025-12-01#41696

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Loirooriol merged 4 commits intoservo:mainfrom
Loirooriol:stylo-2025-12-01
Jan 6, 2026
Merged

Upgrade Stylo to 2025-12-01#41696
Loirooriol merged 4 commits intoservo:mainfrom
Loirooriol:stylo-2025-12-01

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@Loirooriol Loirooriol commented Jan 5, 2026 •
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This continues #40522

Changelog:

Stylo tracking issue: servo/stylo#285

Testing: Various tests are now passing

@Loirooriol Loirooriol added T-full Do a full try run dependencies Pull requests that update a dependency file labels Jan 5, 2026
@github-actions github-actions bot removed the T-full Do a full try run label Jan 5, 2026
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github-actions bot commented Jan 5, 2026

🔨 Triggering try run (#20728444991) for Linux (Unit Tests, Build libservo, WPT, Bencher), Windows (Unit Tests, Build libservo), Android, OpenHarmony, Lint

@Loirooriol Loirooriol mentioned this pull request Jan 5, 2026
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nicoburns reviewed Jan 5, 2026
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github-actions bot commented Jan 5, 2026

🐰 Bencher Report

Branch41696/PR
TestbedHUAWEI Mate 60 Pro

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Click to view all benchmark results
BenchmarkDataMeasure (units) x 1e3Latencymilliseconds (ms)MemoryBytesscoreMeasure (units)
release/E2E/file:///parse_from_string.html/📈 view plot
⚠️ NO THRESHOLD		1.65 units x 1e3
release/E2E/https://www.google.com/JS/gc-heap/admin📈 view plot
⚠️ NO THRESHOLD		26,752.00
release/E2E/https://www.google.com/JS/gc-heap/decommitted📈 view plot
⚠️ NO THRESHOLD		409,600.00
release/E2E/https://www.google.com/JS/gc-heap/unused📈 view plot
⚠️ NO THRESHOLD		136,432.00
release/E2E/https://www.google.com/JS/gc-heap/used📈 view plot
⚠️ NO THRESHOLD		475,792.00
release/E2E/https://www.google.com/JS/malloc-heap📈 view plot
⚠️ NO THRESHOLD		5,051,543.00
release/E2E/https://www.google.com/JS/non-heap📈 view plot
⚠️ NO THRESHOLD		262,144.00
release/E2E/https://www.google.com/LayoutThread/box-tree📈 view plot
⚠️ NO THRESHOLD		105,208.00
release/E2E/https://www.google.com/LayoutThread/display-list📈 view plot
⚠️ NO THRESHOLD		0.00
release/E2E/https://www.google.com/LayoutThread/font-context📈 view plot
⚠️ NO THRESHOLD		9,288.00
release/E2E/https://www.google.com/LayoutThread/fragment-tree📈 view plot
⚠️ NO THRESHOLD		112.00
release/E2E/https://www.google.com/LayoutThread/stacking-context-tree📈 view plot
⚠️ NO THRESHOLD		14,080.00
release/E2E/https://www.google.com/LayoutThread/stylist📈 view plot
⚠️ NO THRESHOLD		5,584.00
release/E2E/https://www.google.com/image-cache📈 view plot
⚠️ NO THRESHOLD		2,328.00
release/E2E/https://www.google.com/image-cache/fontdb📈 view plot
⚠️ NO THRESHOLD		192.00
release/E2E/https://www.google.com/resident-smaps📈 view plot
⚠️ NO THRESHOLD		275,868,876.00
release/E2E/https://www.servo.org/Load📈 view plot
⚠️ NO THRESHOLD		1,005.58 ms
release/E2E/https://www.servo.org/Resident📈 view plot
⚠️ NO THRESHOLD		369,215,078.00
release/E2E/https://www.servo.org/resident-smaps📈 view plot
⚠️ NO THRESHOLD		372,010,188.00
release/Speedometer/Charts-observable-plot📈 view plot
⚠️ NO THRESHOLD		747.96 ms
release/Speedometer/Charts-observable-plot/Dotted📈 view plot
⚠️ NO THRESHOLD		99.88 ms
release/Speedometer/Charts-observable-plot/Dotted/Async📈 view plot
⚠️ NO THRESHOLD		17.16 ms
release/Speedometer/Charts-observable-plot/Dotted/Sync📈 view plot
⚠️ NO THRESHOLD		82.72 ms
release/Speedometer/Charts-observable-plot/Stacked by 20📈 view plot
⚠️ NO THRESHOLD		364.25 ms
release/Speedometer/Charts-observable-plot/Stacked by 20/Async📈 view plot
⚠️ NO THRESHOLD		28.46 ms
release/Speedometer/Charts-observable-plot/Stacked by 20/Sync📈 view plot
⚠️ NO THRESHOLD		335.79 ms
release/Speedometer/Charts-observable-plot/Stacked by 6📈 view plot
⚠️ NO THRESHOLD		283.84 ms
release/Speedometer/Charts-observable-plot/Stacked by 6/Async📈 view plot
⚠️ NO THRESHOLD		16.17 ms
release/Speedometer/Charts-observable-plot/Stacked by 6/Sync📈 view plot
⚠️ NO THRESHOLD		267.67 ms
release/Speedometer/Geomean📈 view plot
⚠️ NO THRESHOLD		718.13 ms
release/Speedometer/Iteration-0-Total📈 view plot
⚠️ NO THRESHOLD		887.30 ms
release/Speedometer/Iteration-1-Total📈 view plot
⚠️ NO THRESHOLD		885.34 ms
release/Speedometer/Iteration-2-Total📈 view plot
⚠️ NO THRESHOLD		892.50 ms
release/Speedometer/Iteration-3-Total📈 view plot
⚠️ NO THRESHOLD		884.37 ms
release/Speedometer/Iteration-4-Total📈 view plot
⚠️ NO THRESHOLD		883.61 ms
release/Speedometer/Iteration-5-Total📈 view plot
⚠️ NO THRESHOLD		886.17 ms
release/Speedometer/Iteration-6-Total📈 view plot
⚠️ NO THRESHOLD		883.19 ms
release/Speedometer/Iteration-7-Total📈 view plot
⚠️ NO THRESHOLD		1,073.77 ms
release/Speedometer/Iteration-8-Total📈 view plot
⚠️ NO THRESHOLD		984.89 ms
release/Speedometer/Iteration-9-Total📈 view plot
⚠️ NO THRESHOLD		1,102.19 ms
release/Speedometer/Score📈 view plot
⚠️ NO THRESHOLD		1.40 units
release/Speedometer/TodoMVC-Angular📈 view plot
⚠️ NO THRESHOLD		982.86 ms
release/Speedometer/TodoMVC-Angular/Adding100Items📈 view plot
⚠️ NO THRESHOLD		478.95 ms
release/Speedometer/TodoMVC-Angular/Adding100Items/Async📈 view plot
⚠️ NO THRESHOLD		79.93 ms
release/Speedometer/TodoMVC-Angular/Adding100Items/Sync📈 view plot
⚠️ NO THRESHOLD		399.02 ms
release/Speedometer/TodoMVC-Angular/CompletingAllItems📈 view plot
⚠️ NO THRESHOLD		311.02 ms
release/Speedometer/TodoMVC-Angular/CompletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		53.46 ms
release/Speedometer/TodoMVC-Angular/CompletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		257.56 ms
release/Speedometer/TodoMVC-Angular/DeletingAllItems📈 view plot
⚠️ NO THRESHOLD		192.89 ms
release/Speedometer/TodoMVC-Angular/DeletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		11.33 ms
release/Speedometer/TodoMVC-Angular/DeletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		181.56 ms
release/Speedometer/TodoMVC-JavaScript-ES5📈 view plot
⚠️ NO THRESHOLD		1,419.48 ms
release/Speedometer/TodoMVC-JavaScript-ES5/Adding100Items📈 view plot
⚠️ NO THRESHOLD		1,112.58 ms
release/Speedometer/TodoMVC-JavaScript-ES5/Adding100Items/Async📈 view plot
⚠️ NO THRESHOLD		87.04 ms
release/Speedometer/TodoMVC-JavaScript-ES5/Adding100Items/Sync📈 view plot
⚠️ NO THRESHOLD		1,025.53 ms
release/Speedometer/TodoMVC-JavaScript-ES5/CompletingAllItems📈 view plot
⚠️ NO THRESHOLD		192.31 ms
release/Speedometer/TodoMVC-JavaScript-ES5/CompletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		56.38 ms
release/Speedometer/TodoMVC-JavaScript-ES5/CompletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		135.93 ms
release/Speedometer/TodoMVC-JavaScript-ES5/DeletingAllItems📈 view plot
⚠️ NO THRESHOLD		114.59 ms
release/Speedometer/TodoMVC-JavaScript-ES5/DeletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		14.78 ms
release/Speedometer/TodoMVC-JavaScript-ES5/DeletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		99.80 ms
release/Speedometer/TodoMVC-JavaScript-ES6-Webpack📈 view plot
⚠️ NO THRESHOLD		1,952.22 ms
release/Speedometer/TodoMVC-JavaScript-ES6-Webpack/Adding100Items📈 view plot
⚠️ NO THRESHOLD		1,549.15 ms
release/Speedometer/TodoMVC-JavaScript-ES6-Webpack/Adding100Items/Async📈 view plot
⚠️ NO THRESHOLD		71.40 ms
release/Speedometer/TodoMVC-JavaScript-ES6-Webpack/Adding100Items/Sync📈 view plot
⚠️ NO THRESHOLD		1,477.75 ms
release/Speedometer/TodoMVC-JavaScript-ES6-Webpack/CompletingAllItems📈 view plot
⚠️ NO THRESHOLD		254.29 ms
release/Speedometer/TodoMVC-JavaScript-ES6-Webpack/CompletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		58.03 ms
release/Speedometer/TodoMVC-JavaScript-ES6-Webpack/CompletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		196.26 ms
release/Speedometer/TodoMVC-JavaScript-ES6-Webpack/DeletingAllItems📈 view plot
⚠️ NO THRESHOLD		148.78 ms
release/Speedometer/TodoMVC-JavaScript-ES6-Webpack/DeletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		13.50 ms
release/Speedometer/TodoMVC-JavaScript-ES6-Webpack/DeletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		135.28 ms
release/Speedometer/TodoMVC-Preact📈 view plot
⚠️ NO THRESHOLD		213.10 ms
release/Speedometer/TodoMVC-Preact/Adding100Items📈 view plot
⚠️ NO THRESHOLD		107.18 ms
release/Speedometer/TodoMVC-Preact/Adding100Items/Async📈 view plot
⚠️ NO THRESHOLD		98.71 ms
release/Speedometer/TodoMVC-Preact/Adding100Items/Sync📈 view plot
⚠️ NO THRESHOLD		8.47 ms
release/Speedometer/TodoMVC-Preact/CompletingAllItems📈 view plot
⚠️ NO THRESHOLD		85.58 ms
release/Speedometer/TodoMVC-Preact/CompletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		68.13 ms
release/Speedometer/TodoMVC-Preact/CompletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		17.45 ms
release/Speedometer/TodoMVC-Preact/DeletingAllItems📈 view plot
⚠️ NO THRESHOLD		20.33 ms
release/Speedometer/TodoMVC-Preact/DeletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		13.06 ms
release/Speedometer/TodoMVC-Preact/DeletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		7.27 ms
release/Speedometer/TodoMVC-React📈 view plot
⚠️ NO THRESHOLD		919.91 ms
release/Speedometer/TodoMVC-React-Redux📈 view plot
⚠️ NO THRESHOLD		1,084.21 ms
release/Speedometer/TodoMVC-React-Redux/Adding100Items📈 view plot
⚠️ NO THRESHOLD		357.12 ms
release/Speedometer/TodoMVC-React-Redux/Adding100Items/Async📈 view plot
⚠️ NO THRESHOLD		65.32 ms
release/Speedometer/TodoMVC-React-Redux/Adding100Items/Sync📈 view plot
⚠️ NO THRESHOLD		291.79 ms
release/Speedometer/TodoMVC-React-Redux/CompletingAllItems📈 view plot
⚠️ NO THRESHOLD		473.52 ms
release/Speedometer/TodoMVC-React-Redux/CompletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		60.12 ms
release/Speedometer/TodoMVC-React-Redux/CompletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		413.41 ms
release/Speedometer/TodoMVC-React-Redux/DeletingAllItems📈 view plot
⚠️ NO THRESHOLD		253.57 ms
release/Speedometer/TodoMVC-React-Redux/DeletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		12.81 ms
release/Speedometer/TodoMVC-React-Redux/DeletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		240.77 ms
release/Speedometer/TodoMVC-React/Adding100Items📈 view plot
⚠️ NO THRESHOLD		358.94 ms
release/Speedometer/TodoMVC-React/Adding100Items/Async📈 view plot
⚠️ NO THRESHOLD		119.74 ms
release/Speedometer/TodoMVC-React/Adding100Items/Sync📈 view plot
⚠️ NO THRESHOLD		239.19 ms
release/Speedometer/TodoMVC-React/CompletingAllItems📈 view plot
⚠️ NO THRESHOLD		354.24 ms
release/Speedometer/TodoMVC-React/CompletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		60.64 ms
release/Speedometer/TodoMVC-React/CompletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		293.60 ms
release/Speedometer/TodoMVC-React/DeletingAllItems📈 view plot
⚠️ NO THRESHOLD		206.73 ms
release/Speedometer/TodoMVC-React/DeletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		12.96 ms
release/Speedometer/TodoMVC-React/DeletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		193.77 ms
release/Speedometer/TodoMVC-Svelte📈 view plot
⚠️ NO THRESHOLD		170.94 ms
release/Speedometer/TodoMVC-Svelte/Adding100Items📈 view plot
⚠️ NO THRESHOLD		94.89 ms
release/Speedometer/TodoMVC-Svelte/Adding100Items/Async📈 view plot
⚠️ NO THRESHOLD		76.37 ms
release/Speedometer/TodoMVC-Svelte/Adding100Items/Sync📈 view plot
⚠️ NO THRESHOLD		18.51 ms
release/Speedometer/TodoMVC-Svelte/CompletingAllItems📈 view plot
⚠️ NO THRESHOLD		54.27 ms
release/Speedometer/TodoMVC-Svelte/CompletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		43.25 ms
release/Speedometer/TodoMVC-Svelte/CompletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		11.03 ms
release/Speedometer/TodoMVC-Svelte/DeletingAllItems📈 view plot
⚠️ NO THRESHOLD		21.78 ms
release/Speedometer/TodoMVC-Svelte/DeletingAllItems/Async📈 view plot
⚠️ NO THRESHOLD		15.05 ms
release/Speedometer/TodoMVC-Svelte/DeletingAllItems/Sync📈 view plot
⚠️ NO THRESHOLD		6.72 ms
🐰 View full continuous benchmarking report in Bencher

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github-actions bot commented Jan 5, 2026

⚠️ Try run (#20728444991) failed!

@Loirooriol Loirooriol added the T-linux-wpt Do a try run of the WPT label Jan 5, 2026
@github-actions github-actions bot removed the T-linux-wpt Do a try run of the WPT label Jan 5, 2026
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github-actions bot commented Jan 5, 2026

🔨 Triggering try run (#20729555157) for Linux (WPT)

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github-actions bot commented Jan 5, 2026

Test results for linux-wpt from try job (#20729555157):

Flaky unexpected result (32)
  • TIMEOUT /FileAPI/url/url-in-tags-revoke.window.html (#19978)
    • TIMEOUT [expected PASS] subtest: Fetching a blob URL immediately before revoking it works in <script> tags.

      Test timed out

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

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

  • CRASH [expected OK] /_webgl/conformance2/wasm/readpixels-2gb-in-4gb-wasm-memory.html
  • OK /cookies/partitioned-cookies/partitioned-cookies-samesite-attribute.https.html
    • FAIL [expected PASS] subtest: In embedded cross-site contexts, partitioned cookies can only be set with explicit SameSite=None

      assert_equals: expected 0 but got 3

  • CRASH [expected PASS] /css/css-grid/grid-model/grid-container-scrollbar-vertical-lr-001.html
  • OK /custom-elements/form-associated/ElementInternals-setFormValue.html (#29174)
    • PASS [expected FAIL] subtest: Multiple values - name content attribute is ignored
  • OK /encoding-detection/ja-half-width-late.tentative.html
    • FAIL [expected PASS] subtest: Check detection result

      assert_equals: Expected Shift_JIS expected "Shift_JIS" but got "UTF-8"

  • 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 [expected ERROR] /fetch/fetch-later/quota/same-origin-iframe/sandboxed-iframe.https.window.html
  • 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/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')
  • 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)
    • PASS [expected FAIL] subtest: Multiple history traversals, last would be aborted
  • OK /html/semantics/document-metadata/the-meta-element/pragma-directives/attr-meta-http-equiv-refresh/allow-scripts-flag-changing-1.html (#39694)
    • PASS [expected FAIL] subtest: Meta refresh is blocked by the allow-scripts sandbox flag at its creation time, not when refresh comes due
  • TIMEOUT /html/semantics/embedded-content/media-elements/autoplay-disabled-by-feature-policy.https.sub.html (#41221)
    • PASS [expected TIMEOUT] subtest: Feature-Policy header: autoplay "none" has no effect on the top level document.
  • OK /html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy-nav-window-open.html (#32596)
    • FAIL [expected PASS] subtest: Navigating iframe loading='lazy' before it is loaded: location.replace

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

  • 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.
  • OK /html/semantics/forms/form-submission-0/multipart-formdata.window.html (#28725)
    • PASS [expected FAIL] subtest: multipart/form-data: 0x00 in value (normal form)
  • 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: 0x00 in value (normal form)
    • PASS [expected FAIL] subtest: text/plain: single quote 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 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: backslash in filename (formdata event)
  • OK /navigation-timing/test-navigation-type-reload.html (#33334)
    • PASS [expected FAIL] subtest: Reload domContentLoadedEventEnd > Original domContentLoadedEventEnd
  • 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 /resource-timing/buffer-full-add-then-clear.html (#40819)
    • PASS [expected FAIL] subtest: Test that if the buffer is cleared after entries were added to the secondary buffer, those entries make it into the primary one
  • 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
  • OK /touch-events/single-tap-when-touchend-listener-use-sync-xhr.html (#41175)
    • PASS [expected FAIL] subtest: Click event should be fired when touchend opens synchronous XHR
  • CRASH [expected TIMEOUT] /trusted-types/should-trusted-type-policy-creation-be-blocked-by-csp-002.html
  • 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.
  • 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.
  • PASS [expected TIMEOUT] /visual-viewport/viewport-apply-initial-scale-after-navigation.html (#41582)
  • CRASH [expected OK] /webaudio/the-audio-api/the-biquadfilternode-interface/no-dezippering.html (#22425)
  • ERROR [expected OK] /workers/baseurl/alpha/sharedworker-in-worker.html (#21315)
Stable unexpected results that are known to be intermittent (29)
  • OK /IndexedDB/idbcursor-continuePrimaryKey-exceptions.any.html (#39277)
    • FAIL [expected PASS] subtest: IDBCursor continuePrimaryKey() on object store cursor

      assert_throws_dom: continuePrimaryKey() should throw if source is not an index function "function() {
        cursor.continuePrimaryKey(2, 2);
      }" threw object "TypeError: cursor.continuePrimaryKey is not a function" that is not a DOMException InvalidAccessError: property "code" is equal to undefined, expected 15

  • OK /IndexedDB/idbcursor-continuePrimaryKey-exceptions.any.worker.html (#39277)
    • FAIL [expected PASS] subtest: IDBCursor continuePrimaryKey() on object store cursor

      assert_throws_dom: continuePrimaryKey() should throw if source is not an index function "function() {
        cursor.continuePrimaryKey(2, 2);
      }" threw object "TypeError: cursor.continuePrimaryKey is not a function" that is not a DOMException InvalidAccessError: property "code" is equal to undefined, expected 15

  • 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/idbrequest-onupgradeneeded.any.html (#38895)
    • PASS [expected FAIL] subtest: transaction oncomplete ordering relative to open request onsuccess
  • OK /IndexedDB/idbrequest-onupgradeneeded.any.worker.html (#38971)
    • PASS [expected FAIL] subtest: transaction oncomplete ordering relative to open request onsuccess
  • OK /IndexedDB/key-conversion-exceptions.any.html (#39305)
    • FAIL [expected PASS] subtest: IDBCursor continue() method with throwing/invalid keys

      assert_throws_exactly: key conversion with throwing getter should rethrow function "() => {
      receiver[method](key);
    }" threw object "TypeError: receiver[method] is not a function" but we expected it to throw object "getter: throwing from getter"

    • FAIL [expected PASS] subtest: IDBCursor update() method with throwing/invalid keys

      assert_throws_exactly: throwing getter should rethrow during clone function "() => {
      cursor.update(value);
    }" threw object "TypeError: cursor.update is not a function" but we expected it to throw object "getter: throwing from getter"

  • OK /IndexedDB/key-conversion-exceptions.any.worker.html (#39284)
    • FAIL [expected PASS] subtest: IDBCursor continue() method with throwing/invalid keys

      assert_throws_exactly: key conversion with throwing getter should rethrow function "() => {
      receiver[method](key);
    }" threw object "TypeError: receiver[method] is not a function" but we expected it to throw object "getter: throwing from getter"

    • FAIL [expected PASS] subtest: IDBCursor update() method with throwing/invalid keys

      assert_throws_exactly: throwing getter should rethrow during clone function "() => {
      cursor.update(value);
    }" threw object "TypeError: cursor.update is not a function" but we expected it to throw object "getter: throwing from getter"

  • OK /IndexedDB/transaction-deactivation-timing.any.worker.html (#38808)
    • PASS [expected FAIL] subtest: New transactions are deactivated before next task
    • PASS [expected FAIL] subtest: New transactions from microtask are deactivated before next task
  • OK /_mozilla/mozilla/getBoundingClientRect.html (#39668)
    • FAIL [expected PASS] subtest: getBoundingClientRect 1

      assert_equals: expected 62 but got 60.35

  • 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 /content-security-policy/frame-ancestors/frame-ancestors-path-ignored.window.html (#36468)
    • PASS [expected FAIL] subtest: A 'frame-ancestors' CSP directive with a URL that includes a path should be ignored.
  • 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 /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(khmer-mul)
  • OK [expected ERROR] /fetch/fetch-later/quota/same-origin-iframe/multiple-iframes.https.window.html (#35176)
  • OK /fetch/metadata/generated/css-font-face.https.sub.tentative.html (#32732)
    • PASS [expected FAIL] subtest: sec-fetch-user
    • PASS [expected FAIL] subtest: sec-fetch-storage-access - Cross-site
  • OK /fetch/metadata/generated/css-font-face.sub.tentative.html (#34624)
    • PASS [expected FAIL] subtest: sec-fetch-storage-access - Not sent to non-trustworthy same-origin destination
    • PASS [expected FAIL] subtest: sec-fetch-storage-access - Not sent to non-trustworthy cross-site destination
  • CRASH [expected OK] /fetch/metadata/generated/element-iframe.https.sub.html (#40341)
  • 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 [expected TIMEOUT] /html/interaction/focus/the-autofocus-attribute/supported-elements.html (#24145)
    • FAIL [expected NOTRUN] subtest: Host element with delegatesFocus should support autofocus

      assert_equals: expected Element node <div autofocus=""></div> but got Element node <body></body>

    • FAIL [expected NOTRUN] subtest: Host element with delegatesFocus including no focusable descendants should be skipped

      promise_test: Unhandled rejection with value: object "TypeError: can't access property "appendChild", w.document.body is null"

    • FAIL [expected NOTRUN] subtest: Area element should support autofocus

      promise_test: Unhandled rejection with value: object "TypeError: can't access property "appendChild", w.document.querySelector(...) is null"

  • 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/webappapis/user-prompts/print-during-unload.html (#35944)
    • PASS [expected FAIL] subtest: print() during unload
  • OK /preload/prefetch-document.html (#37210)
    • PASS [expected FAIL] subtest: different-site document prefetch with 'as=document' should not be consumed
  • OK /preload/preload-error.sub.html (#37177)
    • PASS [expected FAIL] subtest: 404 (image): main
    • FAIL [expected PASS] subtest: 404 (style): main

      assert_unreached: Should have rejected: undefined Reached unreachable code

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

      assert_unreached: Should have rejected: undefined Reached unreachable code

    • PASS [expected FAIL] subtest: CORS (fetch): main
  • CRASH [expected OK] /resource-timing/render-blocking-status-link.html (#41664)
  • TIMEOUT /resource-timing/test_resource_timing.html (#25720)
    • PASS [expected FAIL] subtest: window.performance.getEntriesByName() and window.performance.getEntriesByNameType() return same data (xmlhttprequest)
  • TIMEOUT /resource-timing/test_resource_timing.https.html (#25216)
    • PASS [expected FAIL] subtest: window.performance.getEntriesByName() and window.performance.getEntriesByNameType() return same data (xmlhttprequest)
    • PASS [expected FAIL] subtest: PerformanceEntry has correct name, initiatorType, startTime, and duration (xmlhttprequest)
  • 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.
Stable unexpected results (2)
  • PASS [expected FAIL] /css/css-grid/grid-lanes/tentative/intrinsic-sizing/row-intrinsic-inline-container-size.html
  • OK /mixed-content/tentative/autoupgrades/audio-upgrade.https.sub.html
    • FAIL [expected PASS] subtest: Audio autoupgraded

      assert_equals: Length expected 1 but got Infinity

    • FAIL [expected PASS] subtest: Audio of other host autoupgraded

      assert_equals: Length of other host audio is correct expected 1 but got Infinity

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github-actions bot commented Jan 5, 2026

⚠️ Try run (#20729555157) failed!

@Loirooriol Loirooriol marked this pull request as ready for review January 5, 2026 21:53
@Loirooriol Loirooriol requested a review from mrobinson as a code owner January 5, 2026 21:53
@servo-highfive servo-highfive added the S-awaiting-review There is new code that needs to be reviewed. label Jan 5, 2026
nicoburns
nicoburns approved these changes Jan 6, 2026
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All looks reasonable to me

@servo-highfive servo-highfive removed the S-awaiting-review There is new code that needs to be reviewed. label Jan 6, 2026
@servo-highfive servo-highfive added the S-awaiting-review There is new code that needs to be reviewed. label Jan 6, 2026
@Loirooriol Loirooriol enabled auto-merge January 6, 2026 19:57
@Loirooriol Loirooriol added this pull request to the merge queue Jan 6, 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 Jan 6, 2026
Merged via the queue into servo:main with commit 7ac3879 Jan 6, 2026
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@Loirooriol Loirooriol deleted the stylo-2025-12-01 branch January 6, 2026 20:59
@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 Jan 6, 2026
@Loirooriol Loirooriol mentioned this pull request Jan 15, 2026
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github-merge-queue bot pushed a commit that referenced this pull request Jan 15, 2026
@Loirooriol
Upgrade Stylo to 2026-01-01 (#41916)
a5752da 
This continues #41696

Changelog:
- Upstream:
servo/stylo@ab77635...360787f
- Servo fixups:
servo/stylo@0c47f9c...71737ad

Stylo tracking issue: servo/stylo#286

Testing: Various tests are now passing

---------

Signed-off-by: Oriol Brufau <[email protected]>
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@mrobinson mrobinson mrobinson approved these changes

@nicoburns nicoburns nicoburns approved these changes

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