fonts: Add synthetic bold face support for Windows #39633

minghuaw · 2025-10-02T09:28:04Z

This PR follows #39519 and adds synthetic bold face support for Windows platform.

Testing: There are existing WPT testcases for font synthesis (wpt/css/css-fonts/font-synthesis-*). A new test that checks for "double emboldening" (a bold font gets emboldened again) is getting added to the upstream WPT repo (web-platform-tests/wpt#55313)
Depends on: servo/dwrote-rs#70, servo/dwrote-rs#71
Part of #39637

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

components/fonts/platform/windows/font.rs

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

Cargo.toml

deny.toml

github-actions · 2025-10-02T10:50:51Z

🔨 Triggering try run (#18190861332) for Linux (WPT)

github-actions · 2025-10-02T11:15:17Z

Test results for linux-wpt from try job (#18190861332):

Flaky unexpected result (25)

OK /IndexedDB/idbfactory_open.any.html
- FAIL [expected PASS] subtest: Calling open() with version argument 1.5 should not throw.
```
assert_equals: version expected 1 but got 9007199254740991
```

OK /_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

OK /content-security-policy/frame-ancestors/frame-ancestors-path-ignored.window.html (#36468)
- PASS [expected FAIL] subtest: A 'frame-ancestors' CSP directive with a URL that includes a path should be ignored.
FAIL [expected PASS] /css/CSS2/css1/c5501-mrgn-t-000.xht
FAIL [expected PASS] /css/CSS2/text/text-align-white-space-002.xht
FAIL [expected PASS] /css/WOFF2/metadatadisplay-schema-credit-007.xht
FAIL [expected PASS] /css/WOFF2/metadatadisplay-well-formed-006.xht
FAIL [expected PASS] /css/WOFF2/privatedata-noeffect-001.xht
FAIL [expected PASS] /css/WOFF2/tabledata-non-zero-loca-001.xht
FAIL [expected PASS] /css/css-fonts/font-face-style-default-variable.html
OK /css/css-fonts/generic-family-keywords-003.html (#38994)
- PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted serif (drawing text in a canvas)
- PASS [expected FAIL] subtest: @font-face matching for quoted and unquoted ui-rounded (drawing text in a canvas)
PASS [expected FAIL] /css/css-fonts/system-ui-zh.html (#39563)
FAIL [expected PASS] /css/css-text/text-transform/text-transform-upperlower-018.html
PASS [expected FAIL] /css/selectors/invalidation/any-link-attribute-removal.html (#35054)
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 cross-site destination
```
Test timed out
```
TIMEOUT [expected CRASH] /html/anonymous-iframe/indexeddb.tentative.https.window.html (#39254)
OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin-fragment.html (#20768)
- FAIL [expected PASS] subtest: Tests that a fragment navigation in the unload handler will not block the initial navigation
```
assert_equals: expected "" but got "#fragment"
```
OK /html/browsers/history/the-history-interface/traverse_the_history_2.html (#21383)
- PASS [expected FAIL] subtest: Multiple history traversals, last would be aborted
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/windows/embedded-opener-remove-frame.html (#23867)

FAIL [expected PASS] subtest: opener of discarded auxiliary browsing context

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

ERROR [expected OK] /html/semantics/embedded-content/media-elements/event_timeupdate_noautoplay.html (#25046)
TIMEOUT [expected CRASH] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html (#24066)
- NOTRUN [expected FAIL] subtest: Check that popups from a sandboxed iframe do not escape the sandbox
ERROR [expected OK] /html/webappapis/dynamic-markup-insertion/html-unsafe-methods/Document-parseHTMLUnsafe-url-pushstate.html

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 /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[6585] |-1.0984321196741693e+34 - -0.9523686170578003| = 1.0984321196741693e+34 &gt; 0.0038986 expected -0.9523686170578003 +/- 0.0038986 but got -1.0984321196741693e+34

Stable unexpected results that are known to be intermittent (37)

OK /FileAPI/url/url-with-fetch.any.worker.html (#21517)
- FAIL [expected PASS] subtest: Revoke blob URL after calling fetch, fetch should succeed
```
promise_test: Unhandled rejection with value: object "TypeError: Network error occurred"
```

OK /IndexedDB/idbcursor-continuePrimaryKey-exceptions.any.worker.html (#39277)

FAIL [expected PASS] subtest: IDBCursor continuePrimaryKey() on object store cursor

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

OK /IndexedDB/idbobjectstore_get.any.html (#38942)
- PASS [expected FAIL] subtest: Attempts to retrieve a record that doesn't exist
OK /IndexedDB/idbobjectstore_getAll.any.html (#39276)
- PASS [expected FAIL] subtest: Get all values with transaction.commit()
OK /IndexedDB/idbobjectstore_getAll.any.worker.html (#39400)
- PASS [expected FAIL] subtest: Get all values with transaction.commit()

OK /IndexedDB/key-conversion-exceptions.any.html (#39305)

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

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

OK /IndexedDB/key-conversion-exceptions.any.worker.html (#39284)

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

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

FAIL [expected PASS] /_mozilla/css/iframe/hide_and_show.html (#15265)
FAIL [expected PASS] /_mozilla/mozilla/sslfail.html (#10760)
TIMEOUT [expected OK] /_mozilla/mozilla/window_resize_event.html (#36741)
- TIMEOUT [expected PASS] subtest: Popup onresize event fires after resizeTo
```
Test timed out
```

OK /_webgl/conformance/rendering/texture-switch-performance.html (#23384)

FAIL [expected PASS] subtest: WebGL test #0

assert_true: Texture switching significantly hurt performance - achieved 74 frames in 2.013 seconds (0.43 times baseline performance) expected true got false

OK /_webgl/conformance2/rendering/texture-switch-performance.html (#23384)

FAIL [expected PASS] subtest: WebGL test #0

assert_true: Texture switching significantly hurt performance - achieved 74 frames in 2.022 seconds (0.44 times baseline performance) expected true got false

OK /css/css-cascade/layer-font-face-override.html (#35935)
- FAIL [expected PASS] subtest: @font-face override update with appended sheet 1
```
assert_equals: expected "80px" but got "41.45px"
```
- FAIL [expected PASS] subtest: @font-face override update with appended sheet 2
```
assert_equals: expected "80px" but got "41.45px"
```
PASS [expected FAIL] /css/css-fonts/system-ui-ja-vs-zh.html (#39601)
OK /custom-elements/form-associated/ElementInternals-setFormValue.html (#29174)
- PASS [expected FAIL] subtest: Single value - name is missing
TIMEOUT [expected FAIL] /dom/xslt/large-cdata.html (#38029)
ERROR [expected TIMEOUT] /fetch/fetch-later/quota/same-origin-iframe/max-payload.https.window.html (#35210)
OK [expected ERROR] /fetch/fetch-later/quota/same-origin-iframe/multiple-iframes.https.window.html (#35176)
OK /fetch/metadata/generated/css-font-face.https.sub.tentative.html (#32732)
- FAIL [expected PASS] subtest: sec-fetch-dest
```
promise_test: Unhandled rejection with value: object "Error: Failed to query for recorded headers."
```
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/initial-empty-document/iframe-src-aboutblank-navigate-immediately.html (#29048)
- FAIL [expected PASS] subtest: Navigating to a different document with location.href
```
assert_equals: expected "https://web-platform.test:8000/common/blank.html?1" but got "about:blank"
```
OK /html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/load-pageshow-events-window-open.html (#28691)
- FAIL [expected PASS] subtest: load event does not fire on window.open('about:blank')
```
assert_unreached: load should not be fired Reached unreachable code
```
OK /html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html (#28697)
- PASS [expected FAIL] subtest: aElement.click() before the load event must NOT replace
TIMEOUT /html/browsers/history/the-history-interface/001.html (#12580)
- FAIL [expected PASS] subtest: traversing history must also traverse hash changes
```
assert_equals: (this could cause other failures later on) expected "" but got "test"
```
OK [expected CRASH] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-1.html (#22647)
TIMEOUT [expected OK] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html (#22667)
- TIMEOUT [expected FAIL] subtest: Check that popups from a sandboxed iframe escape the sandbox if allow-popups-to-escape-sandbox is used
```
Test timed out
```
OK [expected CRASH] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html (#24057)
- FAIL [expected TIMEOUT] subtest: Check that popups from a sandboxed iframe escape the sandbox if allow-popups-to-escape-sandbox is used
```
assert_equals: It came from a sandboxed iframe expected "null" but got "https://web-platform.test:8000"
```
TIMEOUT [expected OK] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html (#24066)
- NOTRUN [expected FAIL] subtest: Check that popups from a sandboxed iframe do not escape the sandbox
OK /html/semantics/forms/historical.html (#28568)
- FAIL [expected PASS] subtest: <input name=isindex> should not be supported
```
assert_regexp_match: expected object "/\?isindex=x$/" but got "about:blank"
```
OK /navigation-timing/test-navigation-type-reload.html (#33334)
- PASS [expected FAIL] subtest: Reload domComplete > Original domComplete
- PASS [expected FAIL] subtest: Reload domContentLoadedEventEnd > Original domContentLoadedEventEnd
- PASS [expected FAIL] subtest: Reload loadEventEnd > Original loadEventEnd
- PASS [expected FAIL] subtest: Reload loadEventStart > Original loadEventStart
OK /preload/preload-error.sub.html (#37177)
- PASS [expected FAIL] subtest: success (fetch): main
- PASS [expected FAIL] subtest: CORS (fetch): main
TIMEOUT /preload/preload-resource-match.https.html (#38088)
- PASS [expected TIMEOUT] subtest: Loading module (use-credentials) with link (anonymous) should discard the preloaded response
- PASS [expected NOTRUN] subtest: Loading module (use-credentials) with link (use-credentials) should reuse the preloaded response
- PASS [expected NOTRUN] subtest: Loading style (same-origin) with link (same-origin) should reuse the preloaded response
- PASS [expected NOTRUN] subtest: Loading style (no-cors) with link (no-cors) should reuse the preloaded response
- PASS [expected NOTRUN] subtest: Loading style (no-cors) with link (anonymous) should discard the preloaded response
- PASS [expected NOTRUN] subtest: Loading style (no-cors) with link (use-credentials) should discard the preloaded response
- PASS [expected NOTRUN] subtest: Loading style (anonymous) with link (no-cors) should discard the preloaded response
- PASS [expected NOTRUN] subtest: Loading style (anonymous) with link (anonymous) should reuse the preloaded response
- PASS [expected NOTRUN] subtest: Loading style (anonymous) with link (use-credentials) should discard the preloaded response
- PASS [expected NOTRUN] subtest: Loading style (use-credentials) with link (no-cors) should discard the preloaded response
- And 1 more unexpected results...
OK [expected TIMEOUT] /resource-timing/nested-context-navigations-iframe.html (#24311)
- PASS [expected TIMEOUT] subtest: Test that crossorigin iframe navigations are not observable by the parent, even after history navigations by the parent
- PASS [expected NOTRUN] subtest: Test that cross-site iframe navigations are not observable by the parent, even after history navigations by the parent
- PASS [expected NOTRUN] subtest: Test that iframe navigations are not observable by the parent
- PASS [expected NOTRUN] subtest: Test that crossorigin iframe navigations are not observable by the parent
- PASS [expected NOTRUN] subtest: Test that cross-site iframe navigations are not observable by the parent
- PASS [expected NOTRUN] subtest: Test that iframe refreshes are not observable by the parent
- PASS [expected NOTRUN] subtest: Test that crossorigin iframe refreshes are not observable by the parent
- PASS [expected NOTRUN] subtest: Test that cross-site iframe refreshes are not observable by the parent
OK /trusted-types/trusted-types-navigation.html?01-05 (#38975)
- PASS [expected FAIL] subtest: Navigate a window via anchor with javascript:-urls in enforcing mode.

OK /webdriver/tests/classic/take_element_screenshot/scroll_into_view.py (#39306)

FAIL [expected PASS] subtest: test_scroll_into_view

AssertionError: assert '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' == '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'

OK [expected ERROR] /webxr/render_state_update.https.html (#27535)
OK [expected ERROR] /workers/baseurl/alpha/sharedworker-in-worker.html (#21315)

Stable unexpected results (2)

OK [expected TIMEOUT] /_webgl/conformance/textures/misc/tex-video-using-tex-unit-non-zero.html
- PASS [expected NOTRUN] subtest: Overall test
FAIL [expected PASS] /css/WOFF2/metadatadisplay-schema-extension-028.xht

github-actions · 2025-10-02T11:15:26Z

⚠️ Try run (#18190861332) failed.

xiaochengh

LGTM with nits

components/fonts/platform/windows/font.rs

Signed-off-by: minghuaw <wuminghua7@huawei.com>

Cargo.toml

Signed-off-by: minghuaw <wuminghua7@huawei.com>

components/fonts/font.rs

minghuaw · 2025-10-05T17:12:06Z

I didn't realize that the FontInstance map in both the system font service and webfont instances were not including FontInstanceFlags in the map key. The latest commit fce9e8c adds the flags into the keys. This was causing problem there are text with font-synthesis-weight: auto and font-synthesis-weight: none on the same page.

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

Signed-off-by: minghuaw <wuminghua7@huawei.com>

…synthesizing bold face for FreeType platform (#39681) The previous implementation in #39519 mistakenly used the `FontTemplateDescriptor` to determine whether the font face itself is already bold. This PR fixes that by using the `usWeightClass` in the `OS/2` table of the font face to determine if the font face is bold already. Testing: A new testcase `/tests/wpt/mozilla/tests/css/font_synthesis_weight_static_bold.html` is getting added in #39633. This test checks whether a bold font face gets "double emboldened" Depends on: #39633 --------- Signed-off-by: Minghua Wu <michael.wu1107@gmail.com> Signed-off-by: minghuaw <michael.wu1107@gmail.com> Co-authored-by: Martin Robinson <mrobinson@igalia.com>

atouchet · 2025-10-07T17:55:57Z

dwrote was updated in #39699.

minghuaw · 2025-10-08T01:29:18Z

dwrote was updated in #39699.

Thanks! Updated the branch to main. This PR is ready for another quick review @xiaochengh (I've added FontInstanceFlags as part of the font instance map key since the last review).

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

tests/wpt/mozilla/tests/css/font_synthesis_weight_static_bold.html

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

xiaochengh · 2025-10-09T10:48:21Z

LGTM, thanks. Please let me know if it's ready to merge.

minghuaw · 2025-10-10T01:11:47Z

LGTM, thanks. Please let me know if it's ready to merge.

Let me test this with the new WPT test

minghuaw · 2025-10-10T01:31:30Z

LGTM, thanks. Please let me know if it's ready to merge.

This is ready to get merged. Thanks!

minghuaw added 2 commits October 2, 2025 16:10

impl synthetic bold face for windows

e277c78

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

do not set synthetic_bold if font supports variations

26536b7

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

minghuaw requested a review from nicoburns as a code owner October 2, 2025 09:28

servo-highfive added the S-awaiting-review There is new code that needs to be reviewed. label Oct 2, 2025

inline conversion to DWRITE_FONT_SIMULATIONS flag

a88d5f0

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

minghuaw commented Oct 2, 2025

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minghuaw mentioned this pull request Oct 2, 2025

Expose IDWriteFontFace::GetSimulations() through FontFace::simulations() servo/dwrote-rs#70

Merged

use git deps temporarily

811c9aa

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

minghuaw commented Oct 2, 2025

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minghuaw commented Oct 2, 2025

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TimvdLippe added the T-linux-wpt Do a try run of the WPT label Oct 2, 2025

github-actions bot removed the T-linux-wpt Do a try run of the WPT label Oct 2, 2025

xiaochengh approved these changes Oct 2, 2025

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servo-highfive removed the S-awaiting-review There is new code that needs to be reviewed. label Oct 2, 2025

minghuaw mentioned this pull request Oct 2, 2025

Add support for font synthesis #39637

Open

8 tasks

remove tmp git dep and address comments

d26bbbb

Signed-off-by: minghuaw <wuminghua7@huawei.com>

servo-highfive added the S-awaiting-review There is new code that needs to be reviewed. label Oct 2, 2025

minghuaw commented Oct 2, 2025

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minghuaw added 3 commits October 4, 2025 16:18

remove temporary git dep

70a8ad7

Signed-off-by: minghuaw <wuminghua7@huawei.com>

update Cargo.lock

8c821c1

Signed-off-by: minghuaw <wuminghua7@huawei.com>

add flags to FontInstance cache keys

fce9e8c

Signed-off-by: minghuaw <wuminghua7@huawei.com>

minghuaw commented Oct 5, 2025

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minghuaw requested review from jdm and xiaochengh October 5, 2025 17:12

minghuaw added 2 commits October 6, 2025 10:55

check if font is already bold in PlatformFont

a9a80c8

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

add test checking for double emboldening

4a7031f

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

minghuaw added 3 commits October 6, 2025 14:31

update expectation for linux

014a157

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

update manifest & fix test-tidy

7e4a35b

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

make apply synthetic bold logic easier to read

be4b77f

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

This was referenced Oct 6, 2025

fonts: Use OS/2 table to determine if font face is already bold when synthesizing bold face for FreeType platform #39681

Merged

fonts: Add synthetic bold face support for macos #39691

Merged

make synthetic_bold easier to read

bd70af2

Signed-off-by: minghuaw <wuminghua7@huawei.com>

Merge branch 'main' into feat/synth-bold-windows

2fdaec1

minghuaw force-pushed the feat/synth-bold-windows branch from b279715 to 2fdaec1 Compare October 8, 2025 01:25

minghuaw added 4 commits October 8, 2025 09:58

rename to entry_key

12c51bd

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

update WPT expectations

5955885

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

Merge branch 'main' into feat/synth-bold-windows

52daade

fmt

1c16ef6

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

mrobinson reviewed Oct 8, 2025

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tests/wpt/mozilla/tests/css/font_synthesis_weight_static_bold.html Outdated Show resolved Hide resolved

remove font_synthesis_weight_static_bold test

3c135c6

Signed-off-by: Minghua Wu <michael.wu1107@gmail.com>

minghuaw requested a review from mrobinson October 9, 2025 03:53

xiaochengh approved these changes Oct 9, 2025

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servo-highfive removed the S-awaiting-review There is new code that needs to be reviewed. label Oct 9, 2025

jdm added this pull request to the merge queue Oct 10, 2025

servo-highfive added the S-awaiting-merge The PR is in the process of compiling and running tests on the automated CI. label Oct 10, 2025

Merged via the queue into servo:main with commit 2f82537 Oct 10, 2025
26 of 27 checks passed

servo-highfive removed the S-awaiting-merge The PR is in the process of compiling and running tests on the automated CI. label Oct 10, 2025

minghuaw deleted the feat/synth-bold-windows branch October 10, 2025 05:44

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fonts: Add synthetic bold face support for Windows #39633

fonts: Add synthetic bold face support for Windows #39633

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minghuaw commented Oct 2, 2025 •

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