Upgrade Stylo to 2026-04-01 by Loirooriol · Pull Request #43878 · servo/servo

Loirooriol · 2026-04-02T19:07:47Z

This continues #43045

Changelog:

Upstream: servo/stylo@74ddab4...6de1071
Servo fixups: servo/stylo@9f2f4f3...6cfce6f

Stylo tracking issue: servo/stylo#347

Summary of improvements:

Adding support for the CSS-wide revert-rule keyword
::details-content becomes element-backed, thus accepting nested pseudo-elements like ::details-content::before.
Custom properties can now be registered using dashed idents in their syntax
Various attr() improvements

Testing: Various WPT improvements

github-actions · 2026-04-02T19:08:02Z

🔨 Triggering try run (#23917334846) for Linux (Unit Tests, Build libservo, WPT, Bencher), Windows (Unit Tests, Build libservo), MacOS Arm64 (Unit Tests), Android, OpenHarmony, Lint

github-actions · 2026-04-02T19:23:17Z

Bencher Report

Branch	43878/PR
Testbed	self-hosted-image:servo-ubuntu2204-bench

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github-actions · 2026-04-02T19:34:28Z

Bencher Report

Branch	43878/PR
Testbed	HUAWEI Mate 80 Pro

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github-actions · 2026-04-02T19:51:38Z

Test results for linux-wpt from try job (#23917334846):

Flaky unexpected result (49)

TIMEOUT /FileAPI/url/url-in-tags-revoke.window.html (#19978)
- PASS [expected TIMEOUT] subtest: Fetching a blob URL immediately before revoking it works in <script> tags.
OK /_mozilla/mozilla/getBoundingClientRect.html (#39668)
- FAIL [expected PASS] subtest: getBoundingClientRect 1
```
assert_equals: expected 62 but got 60.35
```
CRASH [expected OK] /_webgl/conformance/glsl/bugs/modulo-arithmetic-accuracy.html
CRASH [expected ERROR] /_webgl/conformance2/misc/uninitialized-test-2.html (#41656)
CRASH [expected OK] /content-security-policy/meta/sandbox-iframe.html (#43478)
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
```
FAIL [expected PASS] /css/css-backgrounds/background-size-041.html
OK /css/css-cascade/layer-font-face-override.html (#35935)
- PASS [expected FAIL] subtest: @font-face override update with appended sheet 1
- PASS [expected FAIL] subtest: @font-face override update with appended sheet 2
OK /css/css-fonts/variations/at-font-face-font-matching.html (#20684)
- 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] /css/css-ui/webkit-appearance-menulist-001.html
FAIL [expected PASS] /css/css-ui/webkit-appearance-meter-001.html
OK /fetch/content-length/api-and-duplicate-headers.any.worker.html (#35197)
- 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)"
```
ERROR [expected OK] /fetch/fetch-later/quota/same-origin-iframe/accumulated-oversized-payload.https.window.html (#41705)
OK [expected ERROR] /fetch/fetch-later/quota/same-origin-iframe/sandboxed-iframe.https.window.html (#41704)
ERROR [expected OK] /fetch/metadata/window-open.https.sub.html (#40339)
ERROR [expected OK] /focus/focus-event-after-switching-iframes.sub.html (#40368)
OK /html/browsers/browsing-the-web/navigating-across-documents/005.html (#27062)
- FAIL [expected PASS] subtest: Link with onclick navigation and href navigation
```
assert_equals: expected "href" but got "click"
```
OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin.window.html (#29049)
- PASS [expected FAIL] subtest: Same-origin navigation started from unload handler must be ignored
CRASH [expected OK] /html/browsers/history/the-history-interface/combination_history_001.html
OK /html/browsers/history/the-history-interface/traverse_the_history_3.html (#21383)
- PASS [expected FAIL] subtest: Multiple history traversals, last would be aborted
ERROR [expected OK] /html/canvas/offscreen/text/2d.text.measure.getActualBoundingBox.tentative.html (#43710)
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
OK /html/semantics/document-metadata/the-meta-element/pragma-directives/attr-meta-http-equiv-refresh/allow-scripts-flag-changing-2.html (#39703)
- FAIL [expected PASS] subtest: Meta refresh of the original iframe is not blocked if moved into a sandboxed iframe
```
uncaught exception: Error: assert_unreached: The iframe into which the meta was moved must not refresh Reached unreachable code
```
OK /html/semantics/embedded-content/media-elements/playing-the-media-resource/loop-from-ended.tentative.html (#33778)
- FAIL [expected PASS] subtest: play() with loop set to true after playback ended
```
this argument is not a finite floating-point value
```
OK [expected TIMEOUT] /html/semantics/embedded-content/media-elements/src_object_blob.html (#40340)
- PASS [expected TIMEOUT] subtest: HTMLMediaElement.srcObject blob
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/scripting-1/the-script-element/execution-timing/077.html (#22139)

FAIL [expected PASS] subtest: adding several types of scripts through the DOM and removing some of them confuses scheduler

assert_array_equals: expected property 1 to be "Script #1 ran" but got "Script #3 ran" (expected array ["Script #2 ran", "Script #1 ran", "Script #3 ran", "Script #4 ran"] got ["Script #2 ran", "Script #3 ran", "Script #4 ran", "Script #1 ran"])

TIMEOUT [expected OK] /html/user-activation/navigation-state-reset-sameorigin.html
- TIMEOUT [expected PASS] subtest: Post-navigation state reset.
```
Test timed out
```
FAIL [expected PASS] /png/apng/fcTL-dispose-background-final.html (#41581)
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
```
TIMEOUT [expected OK] /preload/modulepreload-sri-importmap.html (#43354)
- TIMEOUT [expected PASS] subtest: Script should not be loaded if modulepreload's integrity is invalid
```
Test timed out
```
CRASH [expected TIMEOUT] /referrer-policy/gen/top.meta/unsafe-url/svg-a-tag.http.html
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 (img)
- PASS [expected FAIL] subtest: PerformanceEntry has correct name, initiatorType, startTime, and duration (xmlhttprequest)
OK [expected TIMEOUT] /trusted-types/trusted-types-navigation.html?06-10 (#37920)
- PASS [expected TIMEOUT] subtest: Navigate a frame via anchor with javascript:-urls w/ default policy in report-only mode.
- FAIL [expected NOTRUN] subtest: Navigate a window via anchor with javascript:-urls w/ a default policy throwing an exception in enforcing mode.
```
promise_test: Unhandled rejection with value: "Unexpected message received: \"No securitypolicyviolation reported!\""
```
- FAIL [expected NOTRUN] subtest: Navigate a window via anchor with javascript:-urls w/ a default policy throwing an exception in report-only mode.
```
promise_test: Unhandled rejection with value: "Unexpected message received: \"No securitypolicyviolation reported!\""
```
OK [expected TIMEOUT] /trusted-types/trusted-types-navigation.html?26-30 (#38807)
- PASS [expected TIMEOUT] subtest: Navigate a window via form-submission with javascript:-urls in report-only mode.
- PASS [expected NOTRUN] subtest: Navigate a window via form-submission with javascript:-urls w/ default policy in report-only mode.
- PASS [expected NOTRUN] subtest: Navigate a frame via form-submission with javascript:-urls in enforcing mode.
- PASS [expected NOTRUN] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in enforcing mode.
OK [expected TIMEOUT] /trusted-types/trusted-types-navigation.html?31-35 (#38034)
- PASS [expected TIMEOUT] subtest: Navigate a frame via form-submission with javascript:-urls w/ default policy in report-only mode.
- FAIL [expected NOTRUN] subtest: Navigate a window via form-submission with javascript:-urls w/ a default policy throwing an exception in enforcing mode.
```
promise_test: Unhandled rejection with value: "Unexpected message received: \"No securitypolicyviolation reported!\""
```
- FAIL [expected NOTRUN] subtest: Navigate a window via form-submission with javascript:-urls w/ a default policy throwing an exception in report-only mode.
```
promise_test: Unhandled rejection with value: "Unexpected message received: \"No securitypolicyviolation reported!\""
```
- FAIL [expected NOTRUN] subtest: Navigate a window via form-submission with javascript:-urls w/ a default policy making the URL invalid in enforcing mode.
```
promise_test: Unhandled rejection with value: "Unexpected message received: \"No securitypolicyviolation reported!\""
```

OK /webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html (#22849)

FAIL [expected PASS] subtest: buffer-stitching-2

assert_approx_equals: Stitched sine‑wave buffers at sample rate 43800 sample[21748] |9.129282270489798e+21 - -0.08254216611385345| = 9.129282270489798e+21 &gt; 0.0038986 expected -0.08254216611385345 +/- 0.0038986 but got 9.129282270489798e+21

OK /webdriver/tests/classic/element_send_keys/events.py
- FAIL [expected PASS] subtest: test_file_upload
```
webdriver.error.NoSuchWindowException: no such window (404): No such window
```
OK /webdriver/tests/classic/element_send_keys/file_upload.py
- FAIL [expected PASS] subtest: test_empty_text
```
webdriver.error.NoSuchWindowException: no such window (404): No such window
```
OK /webdriver/tests/classic/execute_async_script/node.py
- FAIL [expected PASS] subtest: test_detached_shadow_root[top_context]
```
webdriver.error.NoSuchWindowException: no such window (404): No such window
```
OK /webdriver/tests/classic/execute_script/execute.py
- ERROR [expected PASS] subtest: test_no_top_browsing_context
```
setup error: webdriver.error.NoSuchElementException: no such element (404)
```
OK /webdriver/tests/classic/execute_script/window.py
- FAIL [expected PASS] subtest: test_web_reference[frame]
```
AssertionError: no such window (404): No such window
```
OK /webdriver/tests/classic/find_elements_from_element/user_prompts.py
- FAIL [expected PASS] subtest: test_accept[alert-None]
```
webdriver.error.NoSuchWindowException: no such window (404): No such window
```
OK /webdriver/tests/classic/get_element_rect/user_prompts.py
- FAIL [expected PASS] subtest: test_accept[alert-None]
```
webdriver.error.NoSuchWindowException: no such window (404): No such window
```
OK /webdriver/tests/classic/perform_actions/key_shortcuts.py
- ERROR [expected PASS] subtest: test_mod_a_and_backspace_deletes_all_text
```
setup error: webdriver.error.NoSuchWindowException: no such window (404): No such window
```
OK [expected TIMEOUT] /webdriver/tests/classic/perform_actions/navigation.py
CRASH [expected OK] /webxr/hit-test/ar_hittest_source_cancel.https.html
CRASH [expected OK] /webxr/xrSession_sameObject.https.html

Stable unexpected results that are known to be intermittent (15)

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 /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)
OK /css/css-fonts/generic-family-keywords-003.html (#38994)
- FAIL [expected PASS] subtest: @font-face matching for quoted and unquoted fantasy (drawing text in a canvas)
```
assert_equals: quoted fantasy matches  @font-face rule expected 125 but got 40
```
- PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted generic(fangsong) (drawing text in a canvas)
- FAIL [expected PASS] subtest: @font-face matching for quoted and unquoted generic(khmer-mul) (drawing text in a canvas)
```
assert_equals: quoted generic(khmer-mul) matches  @font-face rule expected 125 but got 40
```
- FAIL [expected PASS] subtest: @font-face matching for quoted and unquoted generic(nastaliq) (drawing text in a canvas)
```
assert_equals: unquoted generic(nastaliq) does not match @font-face rule expected 40 but got 125
```
OK /dom/nodes/moveBefore/iframe-document-preserve.window.html (#43152)
- PASS [expected FAIL] subtest: moveBefore(): cross-origin iframe is preserved: remove self
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-site destination
- PASS [expected FAIL] subtest: sec-fetch-storage-access - Not sent to non-trustworthy cross-site destination

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"

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 /mixed-content/tentative/autoupgrades/mixed-content-cors.https.sub.html (#41123)
- PASS [expected FAIL] subtest: Cross-Origin video should get upgraded even if CORS is set
OK /navigation-timing/test-navigation-type-reload.html (#33334)
- FAIL [expected PASS] subtest: Reload domContentLoadedEventEnd > Original domContentLoadedEventEnd
```
assert_true: Reload domContentLoadedEventEnd &gt; Original domContentLoadedEventEnd expected true got false
```
- FAIL [expected PASS] subtest: Reload domContentLoadedEventStart > Original domContentLoadedEventStart
```
assert_true: Reload domContentLoadedEventStart &gt; Original domContentLoadedEventStart expected true got false
```
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 [expected CRASH] /resource-timing/render-blocking-status-link.html (#41664)
OK /touch-events/single-tap-when-touchend-listener-use-sync-xhr.html (#41175)
- FAIL [expected PASS] subtest: Click event should be fired when touchend opens synchronous XHR
```
assert_equals: expected "touchend@div, mousedown@div, mouseup@div, click@div" but got "touchend@div, mousedown@div"
```
OK /visual-viewport/resize-event-order.html (#41981)
- PASS [expected FAIL] subtest: Popup: DOMWindow resize fired before VisualViewport.
OK [expected TIMEOUT] /webstorage/localstorage-about-blank-3P-iframe-opens-3P-window.partitioned.html (#29053)
- PASS [expected TIMEOUT] subtest: StorageKey: test 3P about:blank window opened from a 3P iframe

Stable unexpected results (21)

OK /css/css-cascade/revert-rule-basic.html
- PASS [expected FAIL] subtest: The revert-rule keyword rolls back to the previous rule
- PASS [expected FAIL] subtest: Cascade order determines the previous rule, not order of appearance
- PASS [expected FAIL] subtest: Reverting from style attribute reverts to regular rules
- PASS [expected FAIL] subtest: A chain of revert-rule works
OK /css/css-cascade/revert-rule-custom-property.html
- PASS [expected FAIL] subtest: revert-rule in a custom property
OK /css/css-cascade/revert-rule-important.html
- PASS [expected FAIL] subtest: revert-rule in !important declaration reverts to later normal rule if the !important rule comes first
OK /css/css-cascade/revert-rule-layer.html
- PASS [expected FAIL] subtest: The revert-rule keyword can cross layers
- PASS [expected FAIL] subtest: The revert-rule does not unconditionally cross layers
OK /css/css-cascade/revert-rule-revert-layer.html
- PASS [expected FAIL] subtest: Combination of revert-rule and revert-layer
- PASS [expected FAIL] subtest: Combination of revert-layer and revert-rule
- PASS [expected FAIL] subtest: Combination revert-rule/revert-rule/revert-layer
- PASS [expected FAIL] subtest: Combination revert-layer/revert-rule/revert-layer
- PASS [expected FAIL] subtest: Combination revert-rule/revert-layer/revert-rule
OK /css/css-cascade/revert-rule-shadow.html
- PASS [expected FAIL] subtest: revert-rule in document rule falls back to :host rule
- PASS [expected FAIL] subtest: revert-rule in document rule falls back to ::slotted rule
- PASS [expected FAIL] subtest: revert-rule with no shadow fallback falls through to unset (inherited)
- PASS [expected FAIL] subtest: revert-rule in document rule falls back to the winning :host rule
- PASS [expected FAIL] subtest: revert-rule chain across document rule and :host rule
- PASS [expected FAIL] subtest: revert-rule on host and ::part() rule on part are independent
PASS [expected FAIL] /css/css-conditional/at-supports-selector-details-content-before.html
OK /css/css-conditional/js/CSS-supports-details-content-pseudo-parsing.html
- PASS [expected FAIL] subtest: selector() function accepts ::details-content followed by ::before
OK /css/css-env/env-revert-rule.html
- PASS [expected FAIL] subtest: The revert-rule works in an env() fallback
OK /css/css-nesting/nesting-revert-rule.html
- PASS [expected FAIL] subtest: The revert-rule keyword can revert to a nested rule
- PASS [expected FAIL] subtest: The revert-rule keyword can revert to a CSSNestedDeclarationsRule
- PASS [expected FAIL] subtest: The revert-rule keyword can revert from a CSSNestedDeclarationsRule
OK /css/css-properties-values-api/register-property-syntax-parsing.html
- PASS [expected FAIL] subtest: syntax:'--foo', initialValue:'--foo' is valid
- PASS [expected FAIL] subtest: syntax:'--foo | <color>', initialValue:'--foo' is valid
- PASS [expected FAIL] subtest: syntax:'--foo | <color>', initialValue:'red' is valid
- PASS [expected FAIL] subtest: syntax:'--foo+', initialValue:'--foo --foo' is valid
- PASS [expected FAIL] subtest: syntax:'--a | --b | --c', initialValue:'--b' is valid
OK /css/css-values/attr-all-types.html
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 74
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 75
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 76
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 77
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 79
OK /css/css-values/attr-cycle.html
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 2
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 3
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 6
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 9
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 10
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 14
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 16
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 17
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 19
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr 27
OK /css/css-values/attr-revert-rule.html
- PASS [expected FAIL] subtest: The revert-rule works in an attr() fallback
OK /css/css-values/attr-security.html
- PASS [expected FAIL] subtest: 'background-image: image-set(attr(data-foo))' with data-foo="https://does-not-exist.test/404.png"
- PASS [expected FAIL] subtest: 'background-image: image-set(var(--y, attr(data-foo)))' with data-foo="https://does-not-exist.test/404.png"
- PASS [expected FAIL] subtest: 'background-image: image-set(var(--some-string))' with data-foo="https://does-not-exist.test/404.png"
- PASS [expected FAIL] subtest: 'background-image: image-set(var(--some-other-url))' with data-foo="https://does-not-exist.test/404.png"
- PASS [expected FAIL] subtest: 'background-image: image-set(var(--image-set-valid))' with data-foo="image/jpeg"
OK /css/css-values/attr-universal-selector.html
- PASS [expected FAIL] subtest: CSS Values and Units Test: attr() security limitations in universal selector
OK /css/css-values/if-cycle.html
- PASS [expected FAIL] subtest: CSS Values and Units Test: CSS if() function cycles 2
- PASS [expected FAIL] subtest: CSS Values and Units Test: CSS if() function cycles 3
- PASS [expected FAIL] subtest: CSS Values and Units Test: CSS if() function cycles 16
OK /css/css-variables/revert-rule-in-fallback.html
- PASS [expected FAIL] subtest: var(--unknown, revert-rule) in shorthand
- PASS [expected FAIL] subtest: var(--unknown, revert-rule) in shorthand observed via longhand
- PASS [expected FAIL] subtest: var(--unknown, revert-rule) in longhand
OK /css/css-variables/revert-rule-to-var.html
- PASS [expected FAIL] subtest: Using revert-rule to revert to a value containing var()
OK /css/css-will-change/parsing/will-change-invalid.html
- PASS [expected FAIL] subtest: e.style['will-change'] = "transform, revert-rule" should not set the property value
- PASS [expected FAIL] subtest: e.style['will-change'] = "revert-rule, transform" should not set the property value
- PASS [expected FAIL] subtest: e.style['will-change'] = "revert-rule, revert-rule" should not set the property value
PASS [expected FAIL] /html/rendering/the-details-element/details-pseudo-elements-004.html

github-actions · 2026-04-02T19:51:45Z

⚠️ Try run (#23917334846) failed!

nicoburns

Nothing that look obviously wrong to me with this or the Stylo PR. The tests/unit/style tests probably ought to move into the Stylo repo?

Loirooriol · 2026-04-02T23:47:29Z

The tests/unit/style tests probably ought to move into the Stylo repo?

Likely so, but servo/stylo#308 should be addressed first

Signed-off-by: Oriol Brufau <[email protected]>

Loirooriol added the T-full Do a full try run label Apr 2, 2026

github-actions bot removed the T-full Do a full try run label Apr 2, 2026

Loirooriol force-pushed the stylo-upgrade branch 2 times, most recently from 2b204a2 to bf9c0f0 Compare April 2, 2026 20:20

Loirooriol mentioned this pull request Apr 2, 2026

Upgrade Stylo to 2026-04-01 servo/stylo#347

Open

Loirooriol added the dependencies Pull requests that update a dependency file label Apr 2, 2026

Loirooriol marked this pull request as ready for review April 2, 2026 20:27

Loirooriol requested review from gterzian, mrobinson and nicoburns as code owners April 2, 2026 20:27

servo-highfive added the S-awaiting-review There is new code that needs to be reviewed. label Apr 2, 2026

Loirooriol force-pushed the stylo-upgrade branch from bf9c0f0 to 519b6cc Compare April 2, 2026 20:41

nicoburns approved these changes Apr 2, 2026

View reviewed changes

servo-highfive removed the S-awaiting-review There is new code that needs to be reviewed. label Apr 2, 2026

Loirooriol added 10 commits April 2, 2026 16:54

Upgrade Stylo to 2026-03-30

a27ff6e

Signed-off-by: Oriol Brufau <[email protected]>

Fixup for https://phabricator.services.mozilla.com/D286731

0e59243

Signed-off-by: Oriol Brufau <[email protected]>

Fixup for https://phabricator.services.mozilla.com/D286732

da22b4c

Signed-off-by: Oriol Brufau <[email protected]>

Fixup for https://phabricator.services.mozilla.com/D287610

c9caec5

Signed-off-by: Oriol Brufau <[email protected]>

Fixup for https://phabricator.services.mozilla.com/D287776

87f4c61

Signed-off-by: Oriol Brufau <[email protected]>

Fixup for https://phabricator.services.mozilla.com/D287827

fa4de3c

Signed-off-by: Oriol Brufau <[email protected]>

Fixup for https://phabricator.services.mozilla.com/D287818

d59f9d2

Signed-off-by: Oriol Brufau <[email protected]>

Fixup for https://phabricator.services.mozilla.com/D286726

7e9f55f

Signed-off-by: Oriol Brufau <[email protected]>

Fixup for https://phabricator.services.mozilla.com/D282852

ab629a3

Signed-off-by: Oriol Brufau <[email protected]>

Update test expectations

75b3c52

Signed-off-by: Oriol Brufau <[email protected]>

Loirooriol force-pushed the stylo-upgrade branch from 519b6cc to 75b3c52 Compare April 2, 2026 23:54

servo-highfive added the S-awaiting-review There is new code that needs to be reviewed. label Apr 2, 2026

Loirooriol enabled auto-merge April 2, 2026 23:55

Loirooriol added this pull request to the merge queue Apr 3, 2026

servo-highfive added the S-awaiting-merge The PR is in the process of compiling and running tests on the automated CI. label Apr 3, 2026

Merged via the queue into servo:main with commit b058291 Apr 3, 2026
33 checks passed

Loirooriol deleted the stylo-upgrade branch April 3, 2026 00:39

servo-highfive removed the S-awaiting-merge The PR is in the process of compiling and running tests on the automated CI. label Apr 3, 2026

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Upgrade Stylo to 2026-04-01#43878

Upgrade Stylo to 2026-04-01#43878
Loirooriol merged 10 commits intoservo:mainfrom
Loirooriol:stylo-upgrade

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Loirooriol commented Apr 2, 2026 •

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