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fetch: Add support for Request::duplex - #46858

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Jul 30, 2026
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fetch: Add support for Request::duplex#46858
Taym95 merged 3 commits into
servo:mainfrom
Taym95:fix/http2-readable-stream-uploads

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@Taym95

@Taym95 Taym95 commented Jul 29, 2026 •
edited by mrobinson
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Testing: This causes WPT subtests related to Request::duplex to start passing.

@Taym95
Taym95 requested a review from gterzian as a code owner July 29, 2026 10:43
@servo-highfive servo-highfive added the S-awaiting-review There is new code that needs to be reviewed. label Jul 29, 2026
@Taym95 Taym95 added the T-linux-wpt Do a try run of the WPT label Jul 29, 2026
@github-actions github-actions Bot removed the T-linux-wpt Do a try run of the WPT label Jul 29, 2026
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github-actions Bot commented Jul 29, 2026

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🔨 Triggering try run (#30445717201) for Linux (WPT)

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Test results for linux-wpt from try job (#30445717201):

Flaky unexpected result (31)
  • CRASH [expected OK] /_webgl/conformance/ogles/GL/swizzlers/swizzlers_009_to_016.html
  • TIMEOUT [expected OK] /_webgl/conformance/reading/read-pixels-test.html
  • CRASH [expected OK] /_webgl/conformance/uniforms/no-over-optimization-on-uniform-array-14.html
  • CRASH [expected OK] /_webgl/conformance/uniforms/no-over-optimization-on-uniform-array-15.html
  • CRASH [expected OK] /_webgl/conformance2/transform_feedback/transform_feedback.html
  • OK /cookies/partitioned-cookies/partitioned-cookies-samesite-attribute.https.html (#45255)
    • 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

  • FAIL [expected PASS] /css/css-sizing/dynamic-available-size-iframe.html (#45763)
  • TIMEOUT [expected OK] /fetch/content-encoding/gzip/big-gzip-body.https.any.worker.html
    • TIMEOUT [expected PASS] subtest: large gzip data should be decompressed successfully

      Test timed out

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

      Test timed out

    • NOTRUN [expected FAIL] subtest: large zstd data should be decompressed successfully with byte stream
  • OK [expected ERROR] /fetch/fetch-later/quota/same-origin-iframe/multiple-iframes.https.window.html (#35176)
  • TIMEOUT /fetch/metadata/generated/css-images.sub.tentative.html (#29047)
    • TIMEOUT [expected PASS] subtest: background-image sec-fetch-site - Not sent to non-trustworthy same-origin destination

      Test timed out

  • OK /html/browsers/browsing-the-web/navigating-across-documents/refresh/same-document-refresh.html (#34597)
    • PASS [expected FAIL] subtest: Same-Document Referrer from Refresh
  • OK [expected TIMEOUT] /html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/form-submit-button-click.html (#44099)
    • FAIL [expected TIMEOUT] subtest: Replace before load, triggered by submitButton.click()

      assert_equals: expected "http://web-platform.test:8000/common/blank.html?thereplacement=" but got "http://web-platform.test:8000/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/resources/code-injector.html?pipe=sub(none)&code=%0A%20%20%20%20const%20form%20%3D%20document.createElement(%22form%22)%3B%0A%20%20%20%20form.action%20%3D%20%22%2Fcommon%2Fblank.html%22%3B%0A%0A%20%20%20%20const%20input%20%3D%20document.createElement(%22input%22)%3B%0A%20%20%20%20input.type%20%3D%20%22hidden%22%3B%0A%20%20%20%20input.name%20%3D%20%22thereplacement%22%3B%0A%20%20%20%20form.append(input)%3B%0A%0A%20%20%20%20const%20button%20%3D%20document.createElement(%22button%22)%3B%0A%20%20%20%20button.type%20%3D%20%22submit%22%3B%0A%20%20%20%20form.append(button)%3B%0A%0A%20%20%20%20document.currentScript.before(form)%3B%0A%20%20%20%20button.click()%3B%0A%20%20"

  • TIMEOUT /html/browsers/history/the-history-interface/001.html (#12580)
    • PASS [expected FAIL] subtest: traversing history must also traverse hash changes
  • CRASH [expected ERROR] /html/browsers/history/the-location-interface/location_replace_session_history.html (#41896)
  • OK /html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy-nav-location-replace-set-src.html (#32697)
    • PASS [expected FAIL] subtest: Navigating iframe loading='lazy' and then setting src: location.replace
  • 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/scripting-1/the-script-element/module/choice-of-error-1.html (#44058)
    • PASS [expected FAIL] subtest: Parse errors in different files should be reported depending on different roots
  • TIMEOUT [expected OK] /html/syntax/parsing/html5lib_write_single.html?file=tests11
    • TIMEOUT [expected PASS] subtest: <!DOCTYPE html><body><svg attributeName='' attributeType='' baseFrequency='' baseProfile='' calcMode='' clipPathUnits='' diffuseConstant='' edgeMode='' filterUnits='' glyphRef='' gradientTransform='' gradientUnits='' kernelMatrix='' kernelUnitLength='' keyPoints='' keySplines='' keyTimes='' lengthAdjust='' limitingConeAngle='' markerHeight='' markerUnits='' markerWidth='' maskContentUnits='' maskUnits='' numOctaves='' pathLength='' patternContentUnits='' patternTransform='' patternUnits='' pointsAtX='' pointsAtY='' pointsAtZ='' preserveAlpha='' preserveAspectRatio='' primitiveUnits='' refX='' refY='' repeatCount='' repeatDur='' requiredExtensions='' requiredFeatures='' specularConstant='' specularExponent='' spreadMethod='' startOffset='' stdDeviation='' stitchTiles='' surfaceScale='' systemLanguage='' tableValues='' targetX='' targetY='' textLength='' viewBox='' viewTarget='' xChannelSelector='' yChannelSelector='' zoomAndPan=''></svg>

      Test timed out

    • TIMEOUT [expected PASS] subtest: <!DOCTYPE html><BODY><SVG ATTRIBUTENAME='' ATTRIBUTETYPE='' BASEFREQUENCY='' BASEPROFILE='' CALCMODE='' CLIPPATHUNITS='' DIFFUSECONSTANT='' EDGEMODE='' FILTERUNITS='' GLYPHREF='' GRADIENTTRANSFORM='' GRADIENTUNITS='' KERNELMATRIX='' KERNELUNITLENGTH='' KEYPOINTS='' KEYSPLINES='' KEYTIMES='' LENGTHADJUST='' LIMITINGCONEANGLE='' MARKERHEIGHT='' MARKERUNITS='' MARKERWIDTH='' MASKCONTENTUNITS='' MASKUNITS='' NUMOCTAVES='' PATHLENGTH='' PATTERNCONTENTUNITS='' PATTERNTRANSFORM='' PATTERNUNITS='' POINTSATX='' POINTSATY='' POINTSATZ='' PRESERVEALPHA='' PRESERVEASPECTRATIO='' PRIMITIVEUNITS='' REFX='' REFY='' REPEATCOUNT='' REPEATDUR='' REQUIREDEXTENSIONS='' REQUIREDFEATURES='' SPECULARCONSTANT='' SPECULAREXPONENT='' SPREADMETHOD='' STARTOFFSET='' STDDEVIATION='' STITCHTILES='' SURFACESCALE='' SYSTEMLANGUAGE='' TABLEVALUES='' TARGETX='' TARGETY='' TEXTLENGTH='' VIEWBOX='' VIEWTARGET='' XCHANNELSELECTOR='' YCHANNELSELECTOR='' ZOOMANDPAN=''></SVG>

      Test timed out

    • TIMEOUT [expected PASS] subtest: <!DOCTYPE html><body><svg attributename='' attributetype='' basefrequency='' baseprofile='' calcmode='' clippathunits='' diffuseconstant='' edgemode='' filterunits='' filterres='' glyphref='' gradienttransform='' gradientunits='' kernelmatrix='' kernelunitlength='' keypoints='' keysplines='' keytimes='' lengthadjust='' limitingconeangle='' markerheight='' markerunits='' markerwidth='' maskcontentunits='' maskunits='' numoctaves='' pathlength='' patterncontentunits='' patterntransform='' patternunits='' pointsatx='' pointsaty='' pointsatz='' preservealpha='' preserveaspectratio='' primitiveunits='' refx='' refy='' repeatcount='' repeatdur='' requiredextensions='' requiredfeatures='' specularconstant='' specularexponent='' spreadmethod='' startoffset='' stddeviation='' stitchtiles='' surfacescale='' systemlanguage='' tablevalues='' targetx='' targety='' textlength='' viewbox='' viewtarget='' xchannelselector='' ychannelselector='' zoomandpan=''></svg>

      Test timed out

    • TIMEOUT [expected PASS] subtest: <!DOCTYPE html><body><math attributeName='' attributeType='' baseFrequency='' baseProfile='' calcMode='' clipPathUnits='' diffuseConstant='' edgeMode='' filterUnits='' glyphRef='' gradientTransform='' gradientUnits='' kernelMatrix='' kernelUnitLength='' keyPoints='' keySplines='' keyTimes='' lengthAdjust='' limitingConeAngle='' markerHeight='' markerUnits='' markerWidth='' maskContentUnits='' maskUnits='' numOctaves='' pathLength='' patternContentUnits='' patternTransform='' patternUnits='' pointsAtX='' pointsAtY='' pointsAtZ='' preserveAlpha='' preserveAspectRatio='' primitiveUnits='' refX='' refY='' repeatCount='' repeatDur='' requiredExtensions='' requiredFeatures='' specularConstant='' specularExponent='' spreadMethod='' startOffset='' stdDeviation='' stitchTiles='' surfaceScale='' systemLanguage='' tableValues='' targetX='' targetY='' textLength='' viewBox='' viewTarget='' xChannelSelector='' yChannelSelector='' zoomAndPan=''></math>

      Test timed out

    • TIMEOUT [expected PASS] subtest: <!DOCTYPE html><body><svg contentScriptType='' contentStyleType='' externalResourcesRequired='' filterRes=''></svg>

      Test timed out

    • TIMEOUT [expected PASS] subtest: <!DOCTYPE html><body><svg CONTENTSCRIPTTYPE='' CONTENTSTYLETYPE='' EXTERNALRESOURCESREQUIRED='' FILTERRES=''></svg>

      Test timed out

    • TIMEOUT [expected PASS] subtest: <!DOCTYPE html><body><svg contentscripttype='' contentstyletype='' externalresourcesrequired='' filterres=''></svg>

      Test timed out

    • TIMEOUT [expected PASS] subtest: <!DOCTYPE html><body><math contentScriptType='' contentStyleType='' externalResourcesRequired='' filterRes=''></math>

      Test timed out

    • NOTRUN [expected PASS] subtest: <!DOCTYPE html><body><svg><altGlyph /><altGlyphDef /><altGlyphItem /><animateColor /><animateMotion /><animateTransform /><clipPath /><feBlend /><feColorMatrix /><feComponentTransfer /><feComposite /><feConvolveMatrix /><feDiffuseLighting /><feDisplacementMap /><feDistantLight /><feFlood /><feFuncA /><feFuncB /><feFuncG /><feFuncR /><feGaussianBlur /><feImage /><feMerge /><feMergeNode /><feMorphology /><feOffset /><fePointLight /><feSpecularLighting /><feSpotLight /><feTile /><feTurbulence /><foreignObject /><glyphRef /><linearGradient /><radialGradient /><textPath /></svg>
    • NOTRUN [expected PASS] subtest: <!DOCTYPE html><body><svg><altglyph /><altglyphdef /><altglyphitem /><animatecolor /><animatemotion /><animatetransform /><clippath /><feblend /><fecolormatrix /><fecomponenttransfer /><fecomposite /><feconvolvematrix /><fediffuselighting /><fedisplacementmap /><fedistantlight /><feflood /><fefunca /><fefuncb /><fefuncg /><fefuncr /><fegaussianblur /><feimage /><femerge /><femergenode /><femorphology /><feoffset /><fepointlight /><fespecularlighting /><fespotlight /><fetile /><feturbulence /><foreignobject /><glyphref /><lineargradient /><radialgradient /><textpath /></svg>
    • And 3 more unexpected results...
  • TIMEOUT [expected OK] /html/user-activation/navigation-state-reset-sameorigin.html (#45151)
    • TIMEOUT [expected FAIL] subtest: Post-navigation state reset.

      Test timed out

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

      assert_true: onload must be called expected true got false

  • OK /mixed-content/tentative/autoupgrades/audio-upgrade.https.sub.html (#41697)
    • FAIL [expected PASS] subtest: Audio of other host autoupgraded

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

  • OK /paint-timing/with-lcp/fcp-document-opacity-image.html (#43068)
    • FAIL [expected PASS] subtest: Test that FCP after opacity change is not a larger value than LCP

      assert_equals: First contentful paint marked too early.  expected 0 but got 1

  • TIMEOUT [expected OK] /pointerevents/compat/pointerevent_touch-action_two-finger_interaction.html (#44693)
    • NOTRUN [expected PASS] subtest: touch two-finger pan on 'touch-action: pan-x pan-y'
    • NOTRUN [expected FAIL] subtest: touch two-finger pan on 'touch-action: pinch-zoom'
  • OK /pointerevents/pointerevent_pointercapture_in_frame.html?touch (#45445)
    • FAIL [expected PASS] subtest: Test touchpointer capture in same-origin frame: Pointer down at inner frame and set pointer capture.

      assert_true: Timed out waiting for lostpointercapture expected true got false

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

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

  • OK /resize-observer/observer-in-cross-origin-frame.sub.html
    • FAIL [expected PASS] subtest: Cross-origin observer responds to explicitly set physical size

      assert_equals: expected 200 but got 284

  • 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 /touch-events/mouseevents-after-touchend.tentative.html (#46497)
    • PASS [expected FAIL] subtest: Single tap should cause a click
    • PASS [expected FAIL] subtest: Tapping too far points should not cause a dblclick
  • CRASH [expected OK] /trusted-types/navigate-to-javascript-url-001.html
  • TIMEOUT [expected OK] /trusted-types/trusted-types-navigation.html?16-20 (#44835)
    • TIMEOUT [expected PASS] subtest: Navigate a frame via area with javascript:-urls w/ default policy in enforcing mode.

      Test timed out

    • NOTRUN [expected FAIL] subtest: Navigate a frame via area with javascript:-urls in report-only mode.
    • NOTRUN [expected PASS] subtest: Navigate a frame via area with javascript:-urls w/ default policy in report-only mode.
Stable unexpected results that are known to be intermittent (23)
  • OK /_webgl/conformance/textures/misc/texture-upload-size.html (#21770)
    • FAIL [expected PASS] subtest: WebGL test #45

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

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

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

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

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

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

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

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

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

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

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

    • And 6 more unexpected results...
  • OK [expected TIMEOUT] /content-security-policy/inheritance/auxiliary-blank-document.html (#44821)
    • PASS [expected TIMEOUT] subtest: window.open() inherits CSPs on transient about:blank.
  • OK /css/css-fonts/variations/at-font-face-font-matching.html (#20684)
    • FAIL [expected PASS] subtest: Matching font-style: 'oblique 20deg' should prefer 'oblique 20deg' over 'oblique 30deg 60deg'

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

    • FAIL [expected PASS] subtest: Matching font-style: 'oblique 0deg' should prefer 'oblique 15deg 20deg' over 'oblique 30deg 60deg'

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

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

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

    • FAIL [expected PASS] subtest: Matching font-style: 'oblique -21deg' should prefer 'oblique -60deg -40deg' over 'oblique -10deg'

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

  • FAIL [expected PASS] /css/css-text-decor/text-underline-position-from-font-variable.html (#45615)
  • 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/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.html (#29056)
    • FAIL [expected PASS] subtest: Cross-origin navigation started from unload handler must be ignored

      promise_test: Unhandled rejection with value: object "SecurityError: The operation is insecure."

  • OK /html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html (#28697)
    • FAIL [expected PASS] subtest: aElement.click() before the load event must NOT replace

      assert_equals: expected "http://web-platform.test:8000/common/blank.html?thereplacement" but got "http://web-platform.test:8000/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/resources/code-injector.html?pipe=sub(none)&code=%0A%20%20%20%20const%20a%20%3D%20document.createElement(%22a%22)%3B%0A%20%20%20%20a.href%20%3D%20%22%2Fcommon%2Fblank.html%3Fthereplacement%22%3B%0A%20%20%20%20document.currentScript.before(a)%3B%0A%20%20%20%20a.click()%3B%0A%20%20"

  • OK /html/browsers/history/the-history-interface/traverse_the_history_2.html (#21383)
    • PASS [expected FAIL] subtest: Multiple history traversals, last would be aborted
  • OK /html/browsers/windows/embedded-opener-remove-frame.html (#23867)
    • PASS [expected FAIL] subtest: opener of discarded auxiliary browsing context
  • OK [expected TIMEOUT] /html/interaction/focus/the-autofocus-attribute/autofocus-dialog.html (#29087)
    • PASS [expected TIMEOUT] subtest: <dialog>-contained autofocus element gets focused when the dialog is shown
  • TIMEOUT /html/semantics/embedded-content/media-elements/autoplay-allowed-by-permissions-policy.https.sub.html (#46803)
    • TIMEOUT [expected PASS] subtest: Permissions-Policy header: autoplay * allows same-origin iframes.

      Test timed out

  • OK [expected TIMEOUT] /html/semantics/embedded-content/media-elements/autoplay-default-permissions-policy.https.sub.html (#46805)
    • PASS [expected TIMEOUT] subtest: Default "autoplay" feature policy ["self"] allows the top-level document.
    • PASS [expected TIMEOUT] subtest: Default "autoplay" feature policy ["self"] allows same-origin iframes.
  • TIMEOUT [expected OK] /html/semantics/embedded-content/media-elements/autoplay-disabled-by-permissions-policy.https.sub.html (#46012, #46804)
    • TIMEOUT [expected PASS] subtest: Permissions-Policy header: autoplay "none" has no effect on the top level document.

      Test timed out

    • TIMEOUT [expected FAIL] subtest: Permissions-Policy header: autoplay "none" disallows same-origin iframes.

      Test timed out

  • OK [expected TIMEOUT] /html/semantics/embedded-content/media-elements/src_object_blob.html (#40340)
    • PASS [expected TIMEOUT] subtest: HTMLMediaElement.srcObject blob
  • OK [expected TIMEOUT] /html/syntax/parsing/html5lib_write.html?file=processing-instructions (#46205)
  • TIMEOUT [expected OK] /html/syntax/parsing/html5lib_write_single.html?file=processing-instructions (#46206)
    • TIMEOUT [expected PASS] subtest: <body><?·middle-dot>

      Test timed out

  • OK /mixed-content/tentative/autoupgrades/video-upgrade.https.sub.html (#41135)
    • FAIL [expected PASS] subtest: Video of other host autoupgraded

      assert_equals: Length. Other host expected 1 but got Infinity

  • OK /pointerevents/pointerevent_change-touch-action-onpointerdown_touch.html (#46781)
    • FAIL [expected PASS] subtest: scroll was received while shouldn't

      assert_true: scroll received while shouldn't expected true got false

  • OK /resource-timing/buffer-full-then-increased.html (#44408)
    • FAIL [expected PASS] subtest: Test that overflowing the buffer and immediately increasing its limit does not trigger the resourcetimingbufferfull event

      assert_equals: Number of entries does not match the expected value. expected 3 but got 1

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

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

  • 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.
  • ERROR [expected OK] /webxr/render_state_update.https.html (#27535)
Stable unexpected results (12)
  • OK /fetch/api/basic/request-upload.any.html
    • PASS [expected FAIL] subtest: Streaming upload shouldn't work on Http/1.1.
  • OK /fetch/api/basic/request-upload.any.sharedworker.html
    • PASS [expected FAIL] subtest: Streaming upload shouldn't work on Http/1.1.
  • OK /fetch/api/basic/request-upload.any.worker.html
    • PASS [expected FAIL] subtest: Streaming upload shouldn't work on Http/1.1.
  • OK /fetch/api/idlharness.https.any.html
    • PASS [expected FAIL] subtest: Request interface: attribute duplex
    • PASS [expected FAIL] subtest: Request interface: new Request('about:blank') must inherit property "duplex" with the proper type
  • OK /fetch/api/idlharness.https.any.sharedworker.html
    • PASS [expected FAIL] subtest: Request interface: attribute duplex
    • PASS [expected FAIL] subtest: Request interface: new Request('about:blank') must inherit property "duplex" with the proper type
  • OK /fetch/api/idlharness.https.any.worker.html
    • PASS [expected FAIL] subtest: Request interface: attribute duplex
    • PASS [expected FAIL] subtest: Request interface: new Request('about:blank') must inherit property "duplex" with the proper type
  • OK /fetch/api/request/request-init-stream.any.html
    • PASS [expected FAIL] subtest: It is error to omit .duplex when the body is a ReadableStream.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is null.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is a string.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is a Uint8Array.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is a Blob.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is a ReadableStream.
  • OK /fetch/api/request/request-init-stream.any.sharedworker.html
    • PASS [expected FAIL] subtest: It is error to omit .duplex when the body is a ReadableStream.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is null.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is a string.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is a Uint8Array.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is a Blob.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is a ReadableStream.
  • OK /fetch/api/request/request-init-stream.any.worker.html
    • PASS [expected FAIL] subtest: It is error to omit .duplex when the body is a ReadableStream.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is null.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is a string.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is a Uint8Array.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is a Blob.
    • PASS [expected FAIL] subtest: It is error to set .duplex = 'full' when the body is a ReadableStream.
  • OK /fetch/api/request/request-structure.any.html
    • PASS [expected FAIL] subtest: Check duplex attribute
  • OK /fetch/api/request/request-structure.any.sharedworker.html
    • PASS [expected FAIL] subtest: Check duplex attribute
  • OK /fetch/api/request/request-structure.any.worker.html
    • PASS [expected FAIL] subtest: Check duplex attribute

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⚠️ Try run (#30445717201) failed!

@Taym95 Taym95 added the T-linux-wpt Do a try run of the WPT label Jul 29, 2026
@github-actions github-actions Bot removed the T-linux-wpt Do a try run of the WPT label Jul 29, 2026
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🔨 Triggering try run (#30450052421) for Linux (WPT)

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⚠️ Try run (#30450052421) failed!

@Taym95 Taym95 added the T-linux-wpt Do a try run of the WPT label Jul 29, 2026
@github-actions github-actions Bot removed the T-linux-wpt Do a try run of the WPT label Jul 29, 2026
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🔨 Triggering try run (#30489345411) for Linux (WPT)

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Test results for linux-wpt from try job (#30489345411):

Flaky unexpected result (36)
  • OK /_webgl/conformance/textures/misc/texture-upload-size.html (#21770)
    • FAIL [expected PASS] subtest: WebGL test #45

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

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

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

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

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

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

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

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

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

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

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

    • And 22 more unexpected results...
  • CRASH [expected OK] /_webgl/conformance/uniforms/no-over-optimization-on-uniform-array-15.html
  • OK /cookies/partitioned-cookies/partitioned-cookies-samesite-attribute.https.html (#45255)
    • 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 OK] /css/compositing/canvas-composite-modes.html
  • OK /css/css-fonts/variations/at-font-face-font-matching.html (#20684)
    • FAIL [expected PASS] subtest: Matching font-style: 'oblique 0deg' should prefer 'oblique 0deg' over 'oblique 5deg'

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

    • FAIL [expected PASS] subtest: Matching font-style: 'oblique 0deg' should prefer 'oblique 15deg 20deg' over 'oblique 30deg 60deg'

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

    • FAIL [expected PASS] subtest: Matching font-style: 'oblique -10deg' should prefer 'oblique -1deg 0deg' over 'oblique -20deg -15deg'

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

    • FAIL [expected PASS] subtest: Matching font-style: 'oblique -21deg' should prefer 'oblique -60deg -40deg' over 'oblique -10deg'

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

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

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

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

      Test timed out

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

      Test timed out

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

      Test timed out

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

      Test timed out

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

      Test timed out

    • NOTRUN [expected FAIL] subtest: large zstd data should be decompressed successfully with byte stream
  • OK /fetch/content-length/api-and-duplicate-headers.any.html (#35873)
    • FAIL [expected PASS] subtest: fetch() and duplicate Content-Length/Content-Type headers

      promise_test: Unhandled rejection with value: object "TypeError: Network error: HTTP failure: client error (SendRequest)"

  • TIMEOUT /fetch/metadata/generated/css-images.https.sub.tentative.html (#42229)
    • FAIL [expected PASS] subtest: content sec-fetch-site - Cross-Site -> Same-Site

      assert_unreached: Reached unreachable code

  • TIMEOUT /html/browsers/history/the-history-interface/001.html (#12580)
    • PASS [expected FAIL] subtest: traversing history must also traverse hash changes
  • OK /html/browsers/history/the-history-interface/traverse_the_history_2.html (#21383)
    • PASS [expected FAIL] subtest: Multiple history traversals, last would be aborted
  • CRASH [expected ERROR] /html/browsers/history/the-location-interface/location_replace_session_history.html (#41896)
  • OK /html/browsers/windows/embedded-opener-remove-frame.html (#23867)
    • PASS [expected FAIL] subtest: opener of discarded auxiliary browsing context
  • OK [expected TIMEOUT] /html/infrastructure/urls/base-url/document-base-url-window-initiator-is-not-opener.https.window.html (#30970)
  • OK /html/semantics/scripting-1/the-script-element/module/choice-of-error-1.html (#44058)
    • PASS [expected FAIL] subtest: Parse errors in different files should be reported depending on different roots
  • OK /mixed-content/tentative/autoupgrades/video-upgrade.https.sub.html (#41135)
    • FAIL [expected PASS] subtest: Video of other host autoupgraded

      assert_equals: Length. Other host expected 1 but got Infinity

  • OK /pointerevents/compat/pointerevent_touch_target_after_pointerdown_target_removed.tentative.html (#42813)
    • PASS [expected FAIL] subtest: After a pointerdown listener moves the target to different position, touch events should be fired on the pointerdown target, but pointer events should be fired on the pointerdown target parent
    • PASS [expected FAIL] subtest: After a pointerdown listener moves the target to different position, touchmove event should be fired on the pointerdown target parent
  • OK /preload/prefetch-document.html (#37210)
    • FAIL [expected PASS] subtest: different-site document prefetch with 'as=document' should not be consumed

      assert_equals: expected 2 but got 1

  • OK /resource-timing/buffer-full-then-increased.html (#44408)
    • FAIL [expected PASS] subtest: Test that overflowing the buffer and immediately increasing its limit does not trigger the resourcetimingbufferfull event

      assert_equals: Number of entries does not match the expected value. expected 3 but got 1

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

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

    • PASS [expected FAIL] subtest: Test whether setHTMLUnsafe loads the image.
  • OK /touch-events/hover-state-caused-by-compatibility-mouse-events.tentative.html (#46277)
    • PASS [expected FAIL] subtest: The compatibility mouse events should set :hover: The compatibility mouse events should be fired
    • PASS [expected FAIL] subtest: The compatibility mouse events should set :hover, but shouldn't be preserved after the target is replaced: The compatibility mouse events should be fired
  • 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
  • TIMEOUT /trusted-types/trusted-types-navigation.html?06-10 (#37920)
    • FAIL [expected PASS] subtest: Navigate a frame via anchor with javascript:-urls in report-only mode.

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

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

      Test timed out

    • NOTRUN [expected FAIL] subtest: Navigate a frame via area with javascript:-urls in report-only mode.
    • NOTRUN [expected PASS] subtest: Navigate a frame via area with javascript:-urls w/ default policy in report-only mode.
  • OK [expected TIMEOUT] /trusted-types/trusted-types-navigation.html?26-30 (#38807)
    • PASS [expected TIMEOUT] subtest: Navigate a window via form-submission with javascript:-urls in report-only mode.
    • PASS [expected NOTRUN] subtest: Navigate a window via form-submission with javascript:-urls w/ default policy in report-only mode.
    • PASS [expected NOTRUN] subtest: Navigate a frame via form-submission with javascript:-urls in enforcing mode.
    • PASS [expected NOTRUN] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in enforcing mode.
  • TIMEOUT /trusted-types/trusted-types-navigation.html?31-35 (#38034)
    • PASS [expected TIMEOUT] subtest: Navigate a frame via form-submission with javascript:-urls in report-only mode.
    • TIMEOUT [expected NOTRUN] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in report-only mode.

      Test timed out

  • CRASH [expected OK] /upgrade-insecure-requests/gen/sharedworker-classic-data.http-rp/upgrade/xhr.https.html
  • OK /webdriver/tests/classic/accept_alert/accept.py (#43194)
    • FAIL [expected PASS] subtest: test_accept_in_popup_window

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

  • TIMEOUT [expected OK] /webstorage/storage_local_quota_independent_from_session.window.html
  • TIMEOUT [expected OK] /webstorage/storage_session_setitem_quotaexceedederr.window.html
Stable unexpected results that are known to be intermittent (13)
  • OK /beacon/beacon-basic.https.window.html (#41723)
    • PASS [expected FAIL] subtest: Payload size restriction should be accumulated: type = arraybuffer
    • PASS [expected FAIL] subtest: Payload size restriction should be accumulated: type = blob
  • OK [expected ERROR] /fetch/fetch-later/quota/same-origin-iframe/accumulated-oversized-payload.https.window.html (#41705)
  • ERROR [expected TIMEOUT] /html/browsers/browsing-the-web/history-traversal/pageswap/pageswap-initial-navigation.html (#40387)
  • OK /html/browsers/browsing-the-web/navigating-across-documents/005.html (#27062)
    • PASS [expected FAIL] subtest: Link with onclick navigation and href navigation
  • OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.html (#29056)
    • FAIL [expected PASS] subtest: Cross-origin navigation started from unload handler must be ignored

      promise_test: Unhandled rejection with value: object "SecurityError: The operation is insecure."

  • OK /html/browsers/history/the-history-interface/traverse_the_history_4.html (#21383)
    • PASS [expected FAIL] subtest: Multiple history traversals, last would be aborted
  • 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 [expected TIMEOUT] /html/interaction/focus/the-autofocus-attribute/autofocus-dialog.html (#29087)
    • PASS [expected TIMEOUT] subtest: <dialog>-contained autofocus element gets focused when the dialog is shown
  • TIMEOUT [expected OK] /html/interaction/focus/the-autofocus-attribute/supported-elements.html (#24145)
    • TIMEOUT [expected FAIL] subtest: Host element with delegatesFocus should support autofocus

      Test timed out

    • NOTRUN [expected FAIL] subtest: Host element with delegatesFocus including no focusable descendants should be skipped
    • NOTRUN [expected FAIL] subtest: Area element should support autofocus
  • TIMEOUT [expected OK] /html/semantics/embedded-content/media-elements/autoplay-disabled-by-permissions-policy.https.sub.html (#46012, #46804)
    • TIMEOUT [expected PASS] subtest: Permissions-Policy header: autoplay "none" has no effect on the top level document.

      Test timed out

  • TIMEOUT /html/syntax/parsing/html5lib_write.html?file=processing-instructions (#46205)
    • TIMEOUT [expected FAIL] subtest: <body><?zz2op>

      Test timed out

    • TIMEOUT [expected FAIL] subtest: <body><?zz2op data>

      Test timed out

    • TIMEOUT [expected FAIL] subtest: <body><?xla->

      Test timed out

    • TIMEOUT [expected FAIL] subtest: <body><?xla- data>

      Test timed out

    • TIMEOUT [expected FAIL] subtest: <body><?a-b-c>

      Test timed out

    • TIMEOUT [expected FAIL] subtest: <body><?a-b-c data>

      Test timed out

    • TIMEOUT [expected FAIL] subtest: <body><?v-123>

      Test timed out

  • OK [expected TIMEOUT] /infrastructure/testdriver/click_nested.html (#43887)
    • FAIL [expected NOTRUN] subtest: TestDriver click method with multiple windows and nested iframe

      can't access property "document", child.frames[2] is undefined

  • OK /pointerevents/pointerevent_change-touch-action-onpointerdown_touch.html (#46781)
    • FAIL [expected PASS] subtest: scroll was received while shouldn't

      assert_true: scroll received while shouldn't expected true got false

Stable unexpected results (3)
  • OK /fetch/api/basic/request-upload.any.html
    • PASS [expected FAIL] subtest: Streaming upload shouldn't work on Http/1.1.
  • OK /fetch/api/basic/request-upload.any.sharedworker.html
    • PASS [expected FAIL] subtest: Streaming upload shouldn't work on Http/1.1.
  • OK /fetch/api/basic/request-upload.any.worker.html
    • PASS [expected FAIL] subtest: Streaming upload shouldn't work on Http/1.1.

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⚠️ Try run (#30489345411) failed!

@Taym95
Update test expectations
11c137c 
Signed-off-by: Taym Haddadi <[email protected]>
@Taym95
Taym95 force-pushed the fix/http2-readable-stream-uploads branch from 0c6b166 to 11c137c Compare July 29, 2026 21:34
@mrobinson mrobinson changed the title fetch: fix HTTP/2 ReadableStream request uploads fetch: More closely implement the specification in HTTP/2 ReadableStream request uploads Jul 30, 2026
@mrobinson mrobinson changed the title fetch: More closely implement the specification in HTTP/2 ReadableStream request uploads fetch: Add support for Request::duplex Jul 30, 2026
mrobinson
mrobinson requested changes Jul 30, 2026
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Looks good, but maybe we can split out the BodySink changes?

Comment thread components/script_bindings/webidls/Request.webidl
Comment thread components/net/http_loader.rs Outdated
@servo-highfive servo-highfive added S-needs-code-changes Changes have not yet been made that were requested by a reviewer. and removed S-awaiting-review There is new code that needs to be reviewed. labels Jul 30, 2026
@Taym95

Taym95 commented Jul 30, 2026

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Looks good, but maybe we can split out the BodySink changes?

I can separate it. I just saw an issue, and I thought maybe I can also fix it.

@Taym95

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Actually my goal of this PR was not duplex but "Implement HTTP/2 ReadableStream request uploads" I added duplex since was small.

@servo-highfive servo-highfive added S-awaiting-review There is new code that needs to be reviewed. and removed S-needs-code-changes Changes have not yet been made that were requested by a reviewer. labels Jul 30, 2026
@Taym95
Taym95 requested a review from mrobinson July 30, 2026 10:39
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created #46888

@Taym95 Taym95 added the T-linux-wpt Do a try run of the WPT label Jul 30, 2026
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🔨 Triggering try run (#30540198936) for Linux (WPT)

@Taym95 Taym95 mentioned this pull request Jul 30, 2026
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Test results for linux-wpt from try job (#30540198936):

Flaky unexpected result (38)
  • TIMEOUT [expected OK] /_mozilla/shadow-dom/getrootnode-in-deeply-nested-shadow.html
  • CRASH [expected OK] /_webgl/conformance/uniforms/no-over-optimization-on-uniform-array-06.html
  • TIMEOUT [expected OK] /_webgl/conformance/uniforms/no-over-optimization-on-uniform-array-14.html
    • NOTRUN [expected PASS] subtest: Overall test
  • TIMEOUT [expected OK] /_webgl/conformance/uniforms/no-over-optimization-on-uniform-array-16.html
    • NOTRUN [expected PASS] subtest: Overall test
  • CRASH [expected OK] /_webgl/conformance/uniforms/no-over-optimization-on-uniform-array-17.html
  • TIMEOUT [expected OK] /cookies/attributes/domain.sub.html
    • TIMEOUT [expected PASS] subtest: Return cookie with valid domain after domain with single dot ('.') value.

      Test timed out

    • NOTRUN [expected FAIL] subtest: Empty domain treated as host cookie 1
    • NOTRUN [expected FAIL] subtest: Empty domain treated as host cookie 2
    • NOTRUN [expected PASS] subtest: Empty domain treated as host cookie 3
    • NOTRUN [expected PASS] subtest: No host cookies returned for host cookies after non-host redirect 1
    • NOTRUN [expected PASS] subtest: No host cookies returned for host cookies after non-host redirect 2
    • NOTRUN [expected PASS] subtest: No host cookies returned for host cookies after non-host redirect 3
  • OK [expected TIMEOUT] /credential-management/credentialscontainer-frame-basics.https.html (#39430)
    • FAIL [expected TIMEOUT] subtest: navigator.credentials should be undefined in documents generated from data: URLs.

      assert_equals: expected "undefined" but got "[object CredentialsContainer]"

  • TIMEOUT [expected OK] /css/compositing/canvas-composite-modes.html
  • FAIL [expected PASS] /css/css-backgrounds/background-size-041.html
  • FAIL [expected PASS] /css/css-sizing/dynamic-available-size-iframe.html (#45763)
  • TIMEOUT [expected CRASH] /editing/whitespaces/chrome-compat/inserttext.tentative.html
  • TIMEOUT [expected OK] /fetch/content-encoding/br/big-br-body.https.any.html
    • TIMEOUT [expected PASS] subtest: large br data should be decompressed successfully

      Test timed out

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

      Test timed out

    • NOTRUN [expected FAIL] subtest: large br data should be decompressed successfully with byte stream
  • OK /html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html (#28697)
    • FAIL [expected PASS] subtest: aElement.click() before the load event must NOT replace

      assert_equals: expected "http://web-platform.test:8000/common/blank.html?thereplacement" but got "http://web-platform.test:8000/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/resources/code-injector.html?pipe=sub(none)&amp;code=%0A%20%20%20%20const%20a%20%3D%20document.createElement(%22a%22)%3B%0A%20%20%20%20a.href%20%3D%20%22%2Fcommon%2Fblank.html%3Fthereplacement%22%3B%0A%20%20%20%20document.currentScript.before(a)%3B%0A%20%20%20%20a.click()%3B%0A%20%20"

  • TIMEOUT /html/browsers/history/the-history-interface/001.html (#12580)
    • PASS [expected FAIL] subtest: traversing history must also traverse hash changes
  • CRASH [expected ERROR] /html/browsers/history/the-location-interface/location_replace_session_history.html (#41896)
  • OK /html/browsers/windows/embedded-opener-remove-frame.html (#23867)
    • PASS [expected FAIL] subtest: opener of discarded auxiliary browsing context
  • OK [expected TIMEOUT] /html/infrastructure/urls/base-url/document-base-url-window-initiator-is-not-opener.https.window.html (#30970)
  • OK /html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy-nav-link-click.html (#32664)
    • FAIL [expected PASS] subtest: Navigating iframe loading='lazy' before it is loaded: link click

      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/scripting-1/the-script-element/module/choice-of-error-1.html (#44058)
    • PASS [expected FAIL] subtest: Parse errors in different files should be reported depending on different roots
  • TIMEOUT [expected OK] /html/syntax/parsing/html5lib_write.html?file=tests16
    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;script&gt;

      Test timed out

    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;script&gt;a

      Test timed out

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

      Test timed out

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

      Test timed out

    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;script&gt;&lt;/S

      Test timed out

    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;script&gt;&lt;/SC

      Test timed out

    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;script&gt;&lt;/SCR

      Test timed out

    • TIMEOUT [expected PASS] subtest: &lt;!doctype html&gt;&lt;script&gt;&lt;/SCRI

      Test timed out

    • NOTRUN [expected PASS] subtest: &lt;!doctype html&gt;&lt;script&gt;&lt;/SCRIP
    • NOTRUN [expected PASS] subtest: &lt;!doctype html&gt;&lt;script&gt;&lt;/SCRIPT
    • And 181 more unexpected results...
  • TIMEOUT [expected OK] /html/syntax/parsing/html5lib_write_single.html?file=processing-instructions (#46206)
    • TIMEOUT [expected PASS] subtest: &lt;script&gt;&lt;?something&gt;&lt;/script&gt;

      Test timed out

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

      Test timed out

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

      Unhandled rejection: assert_unreached: click failed Reached unreachable code

  • TIMEOUT [expected OK] /pointerevents/compat/pointerevent_touch-action_two-finger_interaction.html (#44693)
    • NOTRUN [expected PASS] subtest: touch two-finger pan on 'touch-action: pan-x pan-y'
    • NOTRUN [expected FAIL] subtest: touch two-finger pan on 'touch-action: pinch-zoom'
  • OK /pointerevents/pointerevent_pointercapture_in_frame.html?touch (#45445)
    • FAIL [expected PASS] subtest: Test touchpointer capture in same-origin frame: Pointer down at inner frame and set pointer capture.

      assert_true: Timed out waiting for lostpointercapture expected true got false

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

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

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

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

  • OK [expected TIMEOUT] /trusted-types/trusted-types-navigation.html?11-15 (#44834)
    • PASS [expected TIMEOUT] subtest: Navigate a window via area with javascript:-urls in report-only mode.
  • OK /trusted-types/trusted-types-navigation.html?16-20 (#44835)
    • PASS [expected FAIL] subtest: Navigate a frame via area with javascript:-urls in report-only mode.
  • OK [expected TIMEOUT] /trusted-types/trusted-types-navigation.html?26-30 (#38807)
    • PASS [expected TIMEOUT] subtest: Navigate a window via form-submission with javascript:-urls in report-only mode.
    • PASS [expected NOTRUN] subtest: Navigate a window via form-submission with javascript:-urls w/ default policy in report-only mode.
    • PASS [expected NOTRUN] subtest: Navigate a frame via form-submission with javascript:-urls in enforcing mode.
    • PASS [expected NOTRUN] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in enforcing mode.
  • TIMEOUT /trusted-types/trusted-types-navigation.html?31-35 (#38034)
    • PASS [expected TIMEOUT] subtest: Navigate a frame via form-submission with javascript:-urls in report-only mode.
    • TIMEOUT [expected NOTRUN] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in report-only mode.

      Test timed out

  • OK /upgrade-insecure-requests/gen/sharedworker-module-data.meta/upgrade/xhr.https.html
    • FAIL [expected PASS] subtest: Upgrade-Insecure-Requests: Expects allowed for xhr to cross-http-downgrade origin and downgrade redirection from https context.

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

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

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

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

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

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

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

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

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

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

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

  • OK /visual-viewport/resize-event-order.html (#41981)
    • PASS [expected FAIL] subtest: Popup: DOMWindow resize fired before VisualViewport.
  • OK /webdriver/tests/classic/perform_actions/user_prompts.py
    • FAIL [expected PASS] subtest: test_accept[alert-None]

      AssertionError: assert '' == 'a'

Stable unexpected results that are known to be intermittent (21)
  • 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 /_webgl/conformance/textures/misc/texture-upload-size.html (#21770)
    • FAIL [expected PASS] subtest: WebGL test #45

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

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

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

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

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

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

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

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

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

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

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

    • And 6 more unexpected results...
  • OK /beacon/beacon-basic.https.window.html (#41723)
    • PASS [expected FAIL] subtest: Payload size restriction should be accumulated: type = arraybuffer
    • PASS [expected FAIL] subtest: Payload size restriction should be accumulated: type = blob
  • TIMEOUT /content-security-policy/inheritance/auxiliary-blank-document.html (#44821)
    • FAIL [expected PASS] subtest: For transient doc, violation event occurs in auxiliary, not opener window.

      assert_equals: expected Document node with 1 child but got Document node with 1 child

  • FAIL [expected PASS] /css/css-text-decor/text-underline-position-from-font-variable.html (#45615)
  • OK /dom/nodes/moveBefore/iframe-document-preserve.window.html (#43152)
    • FAIL [expected PASS] subtest: moveBefore(): cross-origin iframe is preserved: remove self

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

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

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

  • OK [expected ERROR] /fetch/fetch-later/quota/same-origin-iframe/multiple-iframes.https.window.html (#35176)
  • TIMEOUT /fetch/metadata/generated/css-images.https.sub.tentative.html (#42229)
    • FAIL [expected PASS] subtest: content sec-fetch-site - Same-Origin -&gt; Same-Site

      assert_unreached: Reached unreachable code

  • TIMEOUT /fetch/metadata/generated/css-images.sub.tentative.html (#29047)
    • TIMEOUT [expected PASS] subtest: background-image sec-fetch-site - Not sent to non-trustworthy same-origin destination

      Test timed out

    • TIMEOUT [expected PASS] subtest: background-image sec-fetch-site - Not sent to non-trustworthy same-site destination

      Test timed out

    • TIMEOUT [expected PASS] subtest: background-image sec-fetch-site - Not sent to non-trustworthy cross-site destination

      Test timed out

    • TIMEOUT [expected PASS] subtest: background-image sec-fetch-mode - Not sent to non-trustworthy same-site destination

      Test timed out

    • TIMEOUT [expected PASS] subtest: background-image sec-fetch-mode - Not sent to non-trustworthy cross-site destination

      Test timed out

    • TIMEOUT [expected PASS] subtest: background-image sec-fetch-dest - Not sent to non-trustworthy same-origin destination

      Test timed out

    • TIMEOUT [expected PASS] subtest: background-image sec-fetch-dest - Not sent to non-trustworthy same-site destination

      Test timed out

    • TIMEOUT [expected PASS] subtest: background-image sec-fetch-dest - Not sent to non-trustworthy cross-site destination

      Test timed out

    • TIMEOUT [expected PASS] subtest: background-image sec-fetch-user - Not sent to non-trustworthy same-origin destination

      Test timed out

    • TIMEOUT [expected PASS] subtest: background-image sec-fetch-user - Not sent to non-trustworthy same-site destination

      Test timed out

    • And 3 more unexpected results...
  • OK [expected ERROR] /focus/focus-event-after-switching-iframes.sub.html (#40368)
  • OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.html (#29056)
    • FAIL [expected PASS] subtest: Cross-origin navigation started from unload handler must be ignored

      promise_test: Unhandled rejection with value: object "SecurityError: The operation is insecure."

  • OK /html/browsers/browsing-the-web/navigating-across-documents/refresh/same-document-refresh.html (#34597)
    • PASS [expected FAIL] subtest: Same-Document Referrer from Refresh
  • TIMEOUT [expected OK] /html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/form-submit.html (#44028)
  • OK /html/browsers/history/the-history-interface/traverse_the_history_4.html (#21383)
    • PASS [expected FAIL] subtest: Multiple history traversals, last would be aborted
  • TIMEOUT [expected OK] /html/semantics/embedded-content/media-elements/autoplay-disabled-by-permissions-policy.https.sub.html (#46012, #46804)
    • TIMEOUT [expected PASS] subtest: Permissions-Policy header: autoplay "none" has no effect on the top level document.

      Test timed out

    • TIMEOUT [expected FAIL] subtest: Permissions-Policy header: autoplay "none" disallows same-origin iframes.

      Test timed out

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

      assert_equals: expected 4 but got 0

  • 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 [expected TIMEOUT] /html/syntax/parsing/html5lib_write.html?file=processing-instructions (#46205)
  • OK /pointerevents/pointerevent_change-touch-action-onpointerdown_touch.html (#46781)
    • FAIL [expected PASS] subtest: scroll was received while shouldn't

      assert_true: scroll received while shouldn't expected true got false

  • 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 /resource-timing/test_resource_timing.https.html (#25216)
    • PASS [expected FAIL] subtest: PerformanceEntry has correct name, initiatorType, startTime, and duration (script)
    • PASS [expected FAIL] subtest: PerformanceEntry has correct name, initiatorType, startTime, and duration (xmlhttprequest)

@github-actions

github-actions Bot commented Jul 30, 2026

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✨ Try run (#30540198936) succeeded.

@servo-highfive servo-highfive removed the S-awaiting-review There is new code that needs to be reviewed. label Jul 30, 2026
@Taym95
Taym95 added this pull request to the merge queue Jul 30, 2026
@servo-highfive servo-highfive added the S-awaiting-merge The PR is in the process of compiling and running tests on the automated CI. label Jul 30, 2026
Merged via the queue into servo:main with commit 2820fe5 Jul 30, 2026
78 checks passed
@Taym95
Taym95 deleted the fix/http2-readable-stream-uploads branch July 30, 2026 15:00
@servo-highfive servo-highfive removed the S-awaiting-merge The PR is in the process of compiling and running tests on the automated CI. label Jul 30, 2026
pull Bot pushed a commit to A-Archives-and-Forks/servo that referenced this pull request Jul 31, 2026
@Taym95
fetch: fix HTTP/2 ReadableStream request uploads (servo#46888)
fcf3619 
fetch: fix HTTP/2 ReadableStream request uploads

drop BodySink after the request body stream completes or errors,
preventing
further writes and allowing HTTP/2 uploads to finish.

Testing: tests/wpt/meta/fetch/api/basic/request-upload.h2.any.js.ini


depends on servo#46858

Signed-off-by: Taym Haddadi <[email protected]>
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@mrobinson mrobinson mrobinson approved these changes
@gterzian gterzian Awaiting requested review from gterzian gterzian is a code owner

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@Taym95 @mrobinson @servo-highfive