305514 2026-01-14 15:00:02 -0800 [GTK][WPE] Report of flaky tests on 14th Jan 2026 2026-01-14 22:12:47 -0800 1 1 1 Unclassified WebKit WPE WebKit WebKit Nightly Build Unspecified Unspecified NEW https://bugs.webkit.org/show_bug.cgi?id=305509 https://bugs.webkit.org/show_bug.cgi?id=305502 https://bugs.webkit.org/show_bug.cgi?id=305503 P2 Normal --- 1 clopez lmoura bugs-noreply lmoura oldest_to_newest 2171962 0 clopez 2026-01-14 15:00:02 -0800 The following tests have been identified as flaky both for platform GTK and WPE on 14th Jan 2026 compositing/patterns/direct-pattern-compositing-change.html [ ImageOnlyFailure Pass ] compositing/patterns/direct-pattern-compositing-load.html [ ImageOnlyFailure Pass ] fast/backgrounds/obscured-background-child-style-change.html [ ImageOnlyFailure Pass ] fast/images/imagebitmap-memory.html [ ImageOnlyFailure Pass ] fullscreen/fullscreen-enter-bottom-padding-animation.html [ Failure Pass ] http/tests/security/offscreen-canvas-remote-read-remote-image.html [ Failure Pass ] http/tests/storageAccess/request-and-grant-access-then-detach-should-not-have-access.https.html [ Failure Pass ] http/tests/storageAccess/request-and-grant-access-then-navigate-cross-site-should-not-have-access.https.html [ Failure Pass ] http/tests/storageAccess/request-and-grant-access-then-navigate-same-site-should-have-access.https.html [ Failure Pass ] http/wpt/mediarecorder/MediaRecorder-audio-bitrate-mp4-opus.html [ Failure Pass ] http/wpt/mediarecorder/MediaRecorder-audio-samplingrate-change.html [ Failure Pass ] http/wpt/mediastream/getDisplayMedia-deviceid-persistency.html [ Failure Pass ] http/wpt/service-workers/form-data-upload.html [ Failure Pass ] imported/w3c/web-platform-tests/css/css-anchor-position/position-area-overflow-icb-002.html [ ImageOnlyFailure Pass ] imported/w3c/web-platform-tests/css/css-view-transitions/transform-origin-view-transition-group.html [ ImageOnlyFailure Pass ] imported/w3c/web-platform-tests/fullscreen/rendering/fullscreen-pseudo-class.html [ Failure Pass ] imported/w3c/web-platform-tests/fullscreen/rendering/fullscreen-root-block-scroll.html [ Failure Pass ] imported/w3c/web-platform-tests/fullscreen/rendering/ua-style-iframe.html [ Failure Pass ] imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/media_fragment_seek.html [ Failure Pass ] imported/w3c/web-platform-tests/service-workers/service-worker/fetch-request-redirect.https.html [ Failure Pass ] imported/w3c/web-platform-tests/service-workers/service-worker/skip-waiting-installed.https.html [ Failure Pass ] imported/w3c/web-platform-tests/webstorage/event_case_sensitive.html [ Failure Pass ] webanimations/focus-accelerated-animated-element-initially-in-overflow.html [ Failure Pass ] webgl/1.0.x/conformance/textures/misc/video-rotation.html [ Failure Pass ] webgl/2.0.y/conformance/textures/misc/video-rotation.html [ Failure Pass ] This is the flaky report for both ports -------------------- compositing/patterns/direct-pattern-compositing-change.html -------------------- The bot gtk-release completed 902 runs on the interval [301594@main-305588@main] Frecuency of results for test: compositing/patterns/direct-pattern-compositing-change.html 847 times [93.9%] -> NOERROR 16 times [1.8%] -> IMAGE 39 times [4.3%] -> IMAGE PASS Of those 902 runs it didn't match the expectation 55 times [6.1%] Details of the type and frequency of unmatched expectations: 16 times [1.8%] -> IMAGE (Expected: PASS) 39 times [4.3%] -> IMAGE PASS (Expected: PASS) Flakiness factor: 10.5% - This test was flaky on 10.5% of the 902 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 1018 runs on the interval [301599@main-305599@main] Frecuency of results for test: compositing/patterns/direct-pattern-compositing-change.html 437 times [42.9%] -> NOERROR 280 times [27.5%] -> IMAGE 300 times [29.5%] -> IMAGE PASS 1 times [0.1%] -> TIMEOUT Of those 1018 runs it didn't match the expectation 581 times [57.1%] Details of the type and frequency of unmatched expectations: 280 times [27.5%] -> IMAGE (Expected: PASS) 300 times [29.5%] -> IMAGE PASS (Expected: PASS) 1 times [0.1%] -> TIMEOUT (Expected: PASS) Flakiness factor: 64.9% - This test was flaky on 64.9% of the 1018 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- compositing/patterns/direct-pattern-compositing-load.html -------------------- The bot gtk-release completed 898 runs on the interval [301594@main-305588@main] Frecuency of results for test: compositing/patterns/direct-pattern-compositing-load.html 795 times [88.5%] -> NOERROR 16 times [1.8%] -> IMAGE 87 times [9.7%] -> IMAGE PASS Of those 898 runs it didn't match the expectation 103 times [11.5%] Details of the type and frequency of unmatched expectations: 16 times [1.8%] -> IMAGE (Expected: PASS) 87 times [9.7%] -> IMAGE PASS (Expected: PASS) Flakiness factor: 20.9% - This test was flaky on 20.9% of the 898 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 1013 runs on the interval [301599@main-305599@main] Frecuency of results for test: compositing/patterns/direct-pattern-compositing-load.html 292 times [28.8%] -> IMAGE PASS 493 times [48.7%] -> NOERROR 228 times [22.5%] -> IMAGE Of those 1013 runs it didn't match the expectation 520 times [51.3%] Details of the type and frequency of unmatched expectations: 292 times [28.8%] -> IMAGE PASS (Expected: PASS) 228 times [22.5%] -> IMAGE (Expected: PASS) Flakiness factor: 64.2% - This test was flaky on 64.2% of the 1013 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- fast/backgrounds/obscured-background-child-style-change.html -------------------- The bot gtk-release completed 905 runs on the interval [301594@main-305588@main] Frecuency of results for test: fast/backgrounds/obscured-background-child-style-change.html 107 times [11.8%] -> IMAGE PASS 773 times [85.4%] -> NOERROR 24 times [2.7%] -> IMAGE 1 times [0.1%] -> TIMEOUT PASS Of those 905 runs it didn't match the expectation 132 times [14.6%] Details of the type and frequency of unmatched expectations: 107 times [11.8%] -> IMAGE PASS (Expected: PASS) 24 times [2.7%] -> IMAGE (Expected: PASS) 1 times [0.1%] -> TIMEOUT PASS (Expected: PASS) Flakiness factor: 25.1% - This test was flaky on 25.1% of the 905 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 995 runs on the interval [301599@main-305599@main] Frecuency of results for test: fast/backgrounds/obscured-background-child-style-change.html 563 times [56.6%] -> NOERROR 206 times [20.7%] -> IMAGE PASS 220 times [22.1%] -> IMAGE 6 times [0.6%] -> TIMEOUT Of those 995 runs it didn't match the expectation 432 times [43.4%] Details of the type and frequency of unmatched expectations: 206 times [20.7%] -> IMAGE PASS (Expected: PASS) 220 times [22.1%] -> IMAGE (Expected: PASS) 6 times [0.6%] -> TIMEOUT (Expected: PASS) Flakiness factor: 57.9% - This test was flaky on 57.9% of the 995 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- fast/images/imagebitmap-memory.html -------------------- The bot gtk-release completed 944 runs on the interval [301594@main-305588@main] Frecuency of results for test: fast/images/imagebitmap-memory.html 458 times [48.5%] -> NOERROR 300 times [31.8%] -> IMAGE 182 times [19.3%] -> IMAGE PASS 2 times [0.2%] -> TIMEOUT IMAGE 2 times [0.2%] -> TIMEOUT Of those 944 runs it didn't match the expectation 486 times [51.5%] Details of the type and frequency of unmatched expectations: 300 times [31.8%] -> IMAGE (Expected: PASS) 182 times [19.3%] -> IMAGE PASS (Expected: PASS) 2 times [0.2%] -> TIMEOUT IMAGE (Expected: PASS) 2 times [0.2%] -> TIMEOUT (Expected: PASS) Flakiness factor: 62.8% - This test was flaky on 62.8% of the 944 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 999 runs on the interval [301599@main-305599@main] Frecuency of results for test: fast/images/imagebitmap-memory.html 506 times [50.7%] -> NOERROR 164 times [16.4%] -> IMAGE PASS 329 times [32.9%] -> IMAGE Of those 999 runs it didn't match the expectation 493 times [49.3%] Details of the type and frequency of unmatched expectations: 164 times [16.4%] -> IMAGE PASS (Expected: PASS) 329 times [32.9%] -> IMAGE (Expected: PASS) Flakiness factor: 59.0% - This test was flaky on 59.0% of the 999 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- fullscreen/fullscreen-enter-bottom-padding-animation.html -------------------- The bot gtk-release completed 950 runs on the interval [301594@main-305588@main] Frecuency of results for test: fullscreen/fullscreen-enter-bottom-padding-animation.html 458 times [48.2%] -> NOERROR 212 times [22.3%] -> TEXT 280 times [29.5%] -> TEXT PASS Of those 950 runs it didn't match the expectation 492 times [51.8%] Details of the type and frequency of unmatched expectations: 212 times [22.3%] -> TEXT (Expected: PASS) 280 times [29.5%] -> TEXT PASS (Expected: PASS) Flakiness factor: 67.6% - This test was flaky on 67.6% of the 950 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 1026 runs on the interval [301599@main-305599@main] Frecuency of results for test: fullscreen/fullscreen-enter-bottom-padding-animation.html 363 times [35.4%] -> NOERROR 500 times [48.7%] -> TEXT 163 times [15.9%] -> TEXT PASS Of those 1026 runs it didn't match the expectation 663 times [64.6%] Details of the type and frequency of unmatched expectations: 500 times [48.7%] -> TEXT (Expected: PASS) 163 times [15.9%] -> TEXT PASS (Expected: PASS) Flakiness factor: 58.3% - This test was flaky on 58.3% of the 1026 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- http/tests/security/offscreen-canvas-remote-read-remote-image.html -------------------- The bot gtk-release completed 888 runs on the interval [301594@main-305588@main] Frecuency of results for test: http/tests/security/offscreen-canvas-remote-read-remote-image.html 862 times [97.1%] -> NOERROR 24 times [2.7%] -> TEXT PASS 2 times [0.2%] -> TEXT Of those 888 runs it didn't match the expectation 26 times [2.9%] Details of the type and frequency of unmatched expectations: 24 times [2.7%] -> TEXT PASS (Expected: PASS) 2 times [0.2%] -> TEXT (Expected: PASS) Flakiness factor: 5.0% - This test was flaky on 5.0% of the 888 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 996 runs on the interval [301599@main-305599@main] Frecuency of results for test: http/tests/security/offscreen-canvas-remote-read-remote-image.html 403 times [40.5%] -> NOERROR 301 times [30.2%] -> TEXT PASS 291 times [29.2%] -> TEXT 1 times [0.1%] -> TEXT CRASH Of those 996 runs it didn't match the expectation 593 times [59.5%] Details of the type and frequency of unmatched expectations: 301 times [30.2%] -> TEXT PASS (Expected: PASS) 291 times [29.2%] -> TEXT (Expected: PASS) 1 times [0.1%] -> TEXT CRASH (Expected: PASS) Flakiness factor: 50.3% - This test was flaky on 50.3% of the 996 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- http/tests/storageAccess/request-and-grant-access-then-detach-should-not-have-access.https.html -------------------- The bot gtk-release completed 913 runs on the interval [301594@main-305588@main] Frecuency of results for test: http/tests/storageAccess/request-and-grant-access-then-detach-should-not-have-access.https.html 572 times [62.7%] -> NOERROR 190 times [20.8%] -> TEXT 151 times [16.5%] -> TEXT PASS Of those 913 runs it didn't match the expectation 341 times [37.3%] Details of the type and frequency of unmatched expectations: 190 times [20.8%] -> TEXT (Expected: PASS) 151 times [16.5%] -> TEXT PASS (Expected: PASS) Flakiness factor: 56.6% - This test was flaky on 56.6% of the 913 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 950 runs on the interval [301599@main-305599@main] Frecuency of results for test: http/tests/storageAccess/request-and-grant-access-then-detach-should-not-have-access.https.html 692 times [72.8%] -> NOERROR 169 times [17.8%] -> TEXT PASS 88 times [9.3%] -> TEXT 1 times [0.1%] -> TIMEOUT Of those 950 runs it didn't match the expectation 258 times [27.2%] Details of the type and frequency of unmatched expectations: 169 times [17.8%] -> TEXT PASS (Expected: PASS) 88 times [9.3%] -> TEXT (Expected: PASS) 1 times [0.1%] -> TIMEOUT (Expected: PASS) Flakiness factor: 42.7% - This test was flaky on 42.7% of the 950 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- http/tests/storageAccess/request-and-grant-access-then-navigate-cross-site-should-not-have-access.https.html -------------------- The bot gtk-release completed 919 runs on the interval [301594@main-305588@main] Frecuency of results for test: http/tests/storageAccess/request-and-grant-access-then-navigate-cross-site-should-not-have-access.https.html 605 times [65.8%] -> NOERROR 171 times [18.6%] -> TEXT 143 times [15.6%] -> TEXT PASS Of those 919 runs it didn't match the expectation 314 times [34.2%] Details of the type and frequency of unmatched expectations: 171 times [18.6%] -> TEXT (Expected: PASS) 143 times [15.6%] -> TEXT PASS (Expected: PASS) Flakiness factor: 50.5% - This test was flaky on 50.5% of the 919 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 953 runs on the interval [301599@main-305599@main] Frecuency of results for test: http/tests/storageAccess/request-and-grant-access-then-navigate-cross-site-should-not-have-access.https.html 688 times [72.2%] -> NOERROR 95 times [10.0%] -> TEXT 169 times [17.7%] -> TEXT PASS 1 times [0.1%] -> TIMEOUT Of those 953 runs it didn't match the expectation 265 times [27.8%] Details of the type and frequency of unmatched expectations: 95 times [10.0%] -> TEXT (Expected: PASS) 169 times [17.7%] -> TEXT PASS (Expected: PASS) 1 times [0.1%] -> TIMEOUT (Expected: PASS) Flakiness factor: 42.9% - This test was flaky on 42.9% of the 953 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- http/tests/storageAccess/request-and-grant-access-then-navigate-same-site-should-have-access.https.html -------------------- The bot gtk-release completed 921 runs on the interval [301594@main-305588@main] Frecuency of results for test: http/tests/storageAccess/request-and-grant-access-then-navigate-same-site-should-have-access.https.html 499 times [54.2%] -> NOERROR 251 times [27.3%] -> TEXT 171 times [18.6%] -> TEXT PASS Of those 921 runs it didn't match the expectation 422 times [45.8%] Details of the type and frequency of unmatched expectations: 251 times [27.3%] -> TEXT (Expected: PASS) 171 times [18.6%] -> TEXT PASS (Expected: PASS) Flakiness factor: 59.4% - This test was flaky on 59.4% of the 921 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 943 runs on the interval [301599@main-305599@main] Frecuency of results for test: http/tests/storageAccess/request-and-grant-access-then-navigate-same-site-should-have-access.https.html 647 times [68.6%] -> NOERROR 194 times [20.6%] -> TEXT PASS 101 times [10.7%] -> TEXT 1 times [0.1%] -> TIMEOUT Of those 943 runs it didn't match the expectation 296 times [31.4%] Details of the type and frequency of unmatched expectations: 194 times [20.6%] -> TEXT PASS (Expected: PASS) 101 times [10.7%] -> TEXT (Expected: PASS) 1 times [0.1%] -> TIMEOUT (Expected: PASS) Flakiness factor: 49.7% - This test was flaky on 49.7% of the 943 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- http/wpt/mediarecorder/MediaRecorder-audio-bitrate-mp4-opus.html -------------------- The bot gtk-release completed 891 runs on the interval [301594@main-305588@main] Frecuency of results for test: http/wpt/mediarecorder/MediaRecorder-audio-bitrate-mp4-opus.html 741 times [83.2%] -> NOERROR 54 times [6.1%] -> TEXT 96 times [10.8%] -> TEXT PASS Of those 891 runs it didn't match the expectation 150 times [16.8%] Details of the type and frequency of unmatched expectations: 54 times [6.1%] -> TEXT (Expected: PASS) 96 times [10.8%] -> TEXT PASS (Expected: PASS) Flakiness factor: 27.2% - This test was flaky on 27.2% of the 891 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 906 runs on the interval [301599@main-305599@main] Frecuency of results for test: http/wpt/mediarecorder/MediaRecorder-audio-bitrate-mp4-opus.html 730 times [80.6%] -> NOERROR 74 times [8.2%] -> TEXT 102 times [11.3%] -> TEXT PASS Of those 906 runs it didn't match the expectation 176 times [19.4%] Details of the type and frequency of unmatched expectations: 74 times [8.2%] -> TEXT (Expected: PASS) 102 times [11.3%] -> TEXT PASS (Expected: PASS) Flakiness factor: 28.6% - This test was flaky on 28.6% of the 906 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- http/wpt/mediarecorder/MediaRecorder-audio-samplingrate-change.html -------------------- The bot gtk-release completed 945 runs on the interval [301594@main-305588@main] Frecuency of results for test: http/wpt/mediarecorder/MediaRecorder-audio-samplingrate-change.html 386 times [40.8%] -> NOERROR 357 times [37.8%] -> TEXT 202 times [21.4%] -> TEXT PASS Of those 945 runs it didn't match the expectation 559 times [59.2%] Details of the type and frequency of unmatched expectations: 357 times [37.8%] -> TEXT (Expected: PASS) 202 times [21.4%] -> TEXT PASS (Expected: PASS) Flakiness factor: 54.5% - This test was flaky on 54.5% of the 945 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 975 runs on the interval [301599@main-305599@main] Frecuency of results for test: http/wpt/mediarecorder/MediaRecorder-audio-samplingrate-change.html 388 times [39.8%] -> NOERROR 386 times [39.6%] -> TEXT 200 times [20.5%] -> TEXT PASS 1 times [0.1%] -> TEXT CRASH Of those 975 runs it didn't match the expectation 587 times [60.2%] Details of the type and frequency of unmatched expectations: 386 times [39.6%] -> TEXT (Expected: PASS) 200 times [20.5%] -> TEXT PASS (Expected: PASS) 1 times [0.1%] -> TEXT CRASH (Expected: PASS) Flakiness factor: 54.9% - This test was flaky on 54.9% of the 975 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- http/wpt/mediastream/getDisplayMedia-deviceid-persistency.html -------------------- The bot gtk-release completed 958 runs on the interval [301594@main-305588@main] Frecuency of results for test: http/wpt/mediastream/getDisplayMedia-deviceid-persistency.html 398 times [41.5%] -> NOERROR 265 times [27.7%] -> TEXT 295 times [30.8%] -> TEXT PASS Of those 958 runs it didn't match the expectation 560 times [58.5%] Details of the type and frequency of unmatched expectations: 265 times [27.7%] -> TEXT (Expected: PASS) 295 times [30.8%] -> TEXT PASS (Expected: PASS) Flakiness factor: 68.7% - This test was flaky on 68.7% of the 958 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 1043 runs on the interval [301599@main-305599@main] Frecuency of results for test: http/wpt/mediastream/getDisplayMedia-deviceid-persistency.html 438 times [42.0%] -> TEXT PASS 341 times [32.7%] -> NOERROR 264 times [25.3%] -> TEXT Of those 1043 runs it didn't match the expectation 702 times [67.3%] Details of the type and frequency of unmatched expectations: 438 times [42.0%] -> TEXT PASS (Expected: PASS) 264 times [25.3%] -> TEXT (Expected: PASS) Flakiness factor: 74.0% - This test was flaky on 74.0% of the 1043 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- http/wpt/service-workers/form-data-upload.html -------------------- The bot gtk-release completed 924 runs on the interval [301594@main-305588@main] Frecuency of results for test: http/wpt/service-workers/form-data-upload.html 615 times [66.6%] -> NOERROR 59 times [6.4%] -> TEXT 250 times [27.1%] -> TEXT PASS Of those 924 runs it didn't match the expectation 309 times [33.4%] Details of the type and frequency of unmatched expectations: 59 times [6.4%] -> TEXT (Expected: PASS) 250 times [27.1%] -> TEXT PASS (Expected: PASS) Flakiness factor: 52.3% - This test was flaky on 52.3% of the 924 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 927 runs on the interval [301599@main-305599@main] Frecuency of results for test: http/wpt/service-workers/form-data-upload.html 729 times [78.6%] -> NOERROR 160 times [17.3%] -> TEXT PASS 38 times [4.1%] -> TEXT Of those 927 runs it didn't match the expectation 198 times [21.4%] Details of the type and frequency of unmatched expectations: 160 times [17.3%] -> TEXT PASS (Expected: PASS) 38 times [4.1%] -> TEXT (Expected: PASS) Flakiness factor: 37.1% - This test was flaky on 37.1% of the 927 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- imported/w3c/web-platform-tests/css/css-anchor-position/position-area-overflow-icb-002.html -------------------- The bot gtk-release completed 932 runs on the interval [301594@main-305588@main] Frecuency of results for test: imported/w3c/web-platform-tests/css/css-anchor-position/position-area-overflow-icb-002.html 153 times [16.4%] -> IMAGE PASS 686 times [73.6%] -> NOERROR 93 times [10.0%] -> IMAGE Of those 932 runs it didn't match the expectation 246 times [26.4%] Details of the type and frequency of unmatched expectations: 153 times [16.4%] -> IMAGE PASS (Expected: PASS) 93 times [10.0%] -> IMAGE (Expected: PASS) Flakiness factor: 40.3% - This test was flaky on 40.3% of the 932 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 1019 runs on the interval [301599@main-305599@main] Frecuency of results for test: imported/w3c/web-platform-tests/css/css-anchor-position/position-area-overflow-icb-002.html 249 times [24.4%] -> IMAGE PASS 150 times [14.7%] -> NOERROR 620 times [60.8%] -> IMAGE Of those 1019 runs it didn't match the expectation 869 times [85.3%] Details of the type and frequency of unmatched expectations: 249 times [24.4%] -> IMAGE PASS (Expected: PASS) 620 times [60.8%] -> IMAGE (Expected: PASS) Flakiness factor: 56.1% - This test was flaky on 56.1% of the 1019 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- imported/w3c/web-platform-tests/css/css-view-transitions/transform-origin-view-transition-group.html -------------------- The bot gtk-release completed 924 runs on the interval [301594@main-305588@main] Frecuency of results for test: imported/w3c/web-platform-tests/css/css-view-transitions/transform-origin-view-transition-group.html 298 times [32.3%] -> IMAGE PASS 98 times [10.6%] -> IMAGE 528 times [57.1%] -> NOERROR Of those 924 runs it didn't match the expectation 396 times [42.9%] Details of the type and frequency of unmatched expectations: 298 times [32.3%] -> IMAGE PASS (Expected: PASS) 98 times [10.6%] -> IMAGE (Expected: PASS) Flakiness factor: 59.3% - This test was flaky on 59.3% of the 924 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 979 runs on the interval [301599@main-305599@main] Frecuency of results for test: imported/w3c/web-platform-tests/css/css-view-transitions/transform-origin-view-transition-group.html 398 times [40.7%] -> IMAGE PASS 441 times [45.0%] -> NOERROR 140 times [14.3%] -> IMAGE Of those 979 runs it didn't match the expectation 538 times [55.0%] Details of the type and frequency of unmatched expectations: 398 times [40.7%] -> IMAGE PASS (Expected: PASS) 140 times [14.3%] -> IMAGE (Expected: PASS) Flakiness factor: 68.1% - This test was flaky on 68.1% of the 979 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- imported/w3c/web-platform-tests/fullscreen/rendering/fullscreen-pseudo-class.html -------------------- The bot gtk-release completed 900 runs on the interval [301594@main-305588@main] Frecuency of results for test: imported/w3c/web-platform-tests/fullscreen/rendering/fullscreen-pseudo-class.html 862 times [95.8%] -> NOERROR 14 times [1.6%] -> TEXT 24 times [2.7%] -> TEXT PASS Of those 900 runs it didn't match the expectation 38 times [4.2%] Details of the type and frequency of unmatched expectations: 14 times [1.6%] -> TEXT (Expected: PASS) 24 times [2.7%] -> TEXT PASS (Expected: PASS) Flakiness factor: 6.8% - This test was flaky on 6.8% of the 900 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 965 runs on the interval [301599@main-305599@main] Frecuency of results for test: imported/w3c/web-platform-tests/fullscreen/rendering/fullscreen-pseudo-class.html 419 times [43.4%] -> NOERROR 184 times [19.1%] -> TEXT PASS 361 times [37.4%] -> TEXT 1 times [0.1%] -> TEXT TIMEOUT Of those 965 runs it didn't match the expectation 546 times [56.6%] Details of the type and frequency of unmatched expectations: 184 times [19.1%] -> TEXT PASS (Expected: PASS) 361 times [37.4%] -> TEXT (Expected: PASS) 1 times [0.1%] -> TEXT TIMEOUT (Expected: PASS) Flakiness factor: 59.0% - This test was flaky on 59.0% of the 965 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- imported/w3c/web-platform-tests/fullscreen/rendering/fullscreen-root-block-scroll.html -------------------- The bot gtk-release completed 890 runs on the interval [301594@main-305588@main] Frecuency of results for test: imported/w3c/web-platform-tests/fullscreen/rendering/fullscreen-root-block-scroll.html 879 times [98.8%] -> NOERROR 9 times [1.0%] -> TEXT PASS 2 times [0.2%] -> TEXT Of those 890 runs it didn't match the expectation 11 times [1.2%] Details of the type and frequency of unmatched expectations: 9 times [1.0%] -> TEXT PASS (Expected: PASS) 2 times [0.2%] -> TEXT (Expected: PASS) Flakiness factor: 2.4% - This test was flaky on 2.4% of the 890 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 936 runs on the interval [301599@main-305599@main] Frecuency of results for test: imported/w3c/web-platform-tests/fullscreen/rendering/fullscreen-root-block-scroll.html 608 times [65.0%] -> NOERROR 128 times [13.7%] -> TEXT 199 times [21.3%] -> TEXT PASS 1 times [0.1%] -> TIMEOUT TEXT Of those 936 runs it didn't match the expectation 328 times [35.0%] Details of the type and frequency of unmatched expectations: 128 times [13.7%] -> TEXT (Expected: PASS) 199 times [21.3%] -> TEXT PASS (Expected: PASS) 1 times [0.1%] -> TIMEOUT TEXT (Expected: PASS) Flakiness factor: 50.7% - This test was flaky on 50.7% of the 936 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- imported/w3c/web-platform-tests/fullscreen/rendering/ua-style-iframe.html -------------------- The bot gtk-release completed 897 runs on the interval [301594@main-305588@main] Frecuency of results for test: imported/w3c/web-platform-tests/fullscreen/rendering/ua-style-iframe.html 868 times [96.8%] -> NOERROR 20 times [2.2%] -> TEXT PASS 9 times [1.0%] -> TEXT Of those 897 runs it didn't match the expectation 29 times [3.2%] Details of the type and frequency of unmatched expectations: 20 times [2.2%] -> TEXT PASS (Expected: PASS) 9 times [1.0%] -> TEXT (Expected: PASS) Flakiness factor: 5.1% - This test was flaky on 5.1% of the 897 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 937 runs on the interval [301599@main-305599@main] Frecuency of results for test: imported/w3c/web-platform-tests/fullscreen/rendering/ua-style-iframe.html 536 times [57.2%] -> NOERROR 167 times [17.8%] -> TEXT PASS 234 times [25.0%] -> TEXT Of those 937 runs it didn't match the expectation 401 times [42.8%] Details of the type and frequency of unmatched expectations: 167 times [17.8%] -> TEXT PASS (Expected: PASS) 234 times [25.0%] -> TEXT (Expected: PASS) Flakiness factor: 54.2% - This test was flaky on 54.2% of the 937 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/media_fragment_seek.html -------------------- The bot gtk-release completed 924 runs on the interval [301594@main-305588@main] Frecuency of results for test: imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/media_fragment_seek.html 304 times [32.9%] -> NOERROR 129 times [14.0%] -> TEXT PASS 491 times [53.1%] -> TEXT Of those 924 runs it didn't match the expectation 620 times [67.1%] Details of the type and frequency of unmatched expectations: 129 times [14.0%] -> TEXT PASS (Expected: PASS) 491 times [53.1%] -> TEXT (Expected: PASS) Flakiness factor: 59.8% - This test was flaky on 59.8% of the 924 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 940 runs on the interval [301599@main-305599@main] Frecuency of results for test: imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/media_fragment_seek.html 482 times [51.3%] -> TEXT 368 times [39.1%] -> NOERROR 90 times [9.6%] -> TEXT PASS Of those 940 runs it didn't match the expectation 572 times [60.9%] Details of the type and frequency of unmatched expectations: 482 times [51.3%] -> TEXT (Expected: PASS) 90 times [9.6%] -> TEXT PASS (Expected: PASS) Flakiness factor: 56.4% - This test was flaky on 56.4% of the 940 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- imported/w3c/web-platform-tests/service-workers/service-worker/fetch-request-redirect.https.html -------------------- The bot gtk-release completed 923 runs on the interval [301594@main-305588@main] Frecuency of results for test: imported/w3c/web-platform-tests/service-workers/service-worker/fetch-request-redirect.https.html 614 times [66.5%] -> TEXT 209 times [22.6%] -> NOERROR 100 times [10.8%] -> TEXT PASS Of those 923 runs it didn't match the expectation 714 times [77.4%] Details of the type and frequency of unmatched expectations: 614 times [66.5%] -> TEXT (Expected: PASS) 100 times [10.8%] -> TEXT PASS (Expected: PASS) Flakiness factor: 49.0% - This test was flaky on 49.0% of the 923 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 940 runs on the interval [301599@main-305599@main] Frecuency of results for test: imported/w3c/web-platform-tests/service-workers/service-worker/fetch-request-redirect.https.html 675 times [71.8%] -> TEXT 168 times [17.9%] -> NOERROR 97 times [10.3%] -> TEXT PASS Of those 940 runs it didn't match the expectation 772 times [82.1%] Details of the type and frequency of unmatched expectations: 675 times [71.8%] -> TEXT (Expected: PASS) 97 times [10.3%] -> TEXT PASS (Expected: PASS) Flakiness factor: 42.9% - This test was flaky on 42.9% of the 940 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- imported/w3c/web-platform-tests/service-workers/service-worker/skip-waiting-installed.https.html -------------------- The bot gtk-release completed 888 runs on the interval [301594@main-305588@main] Frecuency of results for test: imported/w3c/web-platform-tests/service-workers/service-worker/skip-waiting-installed.https.html 690 times [77.7%] -> NOERROR 80 times [9.0%] -> TEXT 118 times [13.3%] -> TEXT PASS Of those 888 runs it didn't match the expectation 198 times [22.3%] Details of the type and frequency of unmatched expectations: 80 times [9.0%] -> TEXT (Expected: PASS) 118 times [13.3%] -> TEXT PASS (Expected: PASS) Flakiness factor: 29.8% - This test was flaky on 29.8% of the 888 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 904 runs on the interval [301599@main-305599@main] Frecuency of results for test: imported/w3c/web-platform-tests/service-workers/service-worker/skip-waiting-installed.https.html 714 times [79.0%] -> NOERROR 112 times [12.4%] -> TEXT PASS 78 times [8.6%] -> TEXT Of those 904 runs it didn't match the expectation 190 times [21.0%] Details of the type and frequency of unmatched expectations: 112 times [12.4%] -> TEXT PASS (Expected: PASS) 78 times [8.6%] -> TEXT (Expected: PASS) Flakiness factor: 31.0% - This test was flaky on 31.0% of the 904 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- imported/w3c/web-platform-tests/webstorage/event_case_sensitive.html -------------------- The bot gtk-release completed 919 runs on the interval [301594@main-305588@main] Frecuency of results for test: imported/w3c/web-platform-tests/webstorage/event_case_sensitive.html 345 times [37.5%] -> TEXT PASS 299 times [32.5%] -> NOERROR 269 times [29.3%] -> TEXT 5 times [0.5%] -> TEXT TIMEOUT 1 times [0.1%] -> TEXT CRASH Of those 919 runs it didn't match the expectation 620 times [67.5%] Details of the type and frequency of unmatched expectations: 345 times [37.5%] -> TEXT PASS (Expected: PASS) 269 times [29.3%] -> TEXT (Expected: PASS) 5 times [0.5%] -> TEXT TIMEOUT (Expected: PASS) 1 times [0.1%] -> TEXT CRASH (Expected: PASS) Flakiness factor: 73.3% - This test was flaky on 73.3% of the 919 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 928 runs on the interval [301599@main-305599@main] Frecuency of results for test: imported/w3c/web-platform-tests/webstorage/event_case_sensitive.html 325 times [35.0%] -> TEXT PASS 346 times [37.3%] -> NOERROR 254 times [27.4%] -> TEXT 3 times [0.3%] -> TEXT TIMEOUT Of those 928 runs it didn't match the expectation 582 times [62.7%] Details of the type and frequency of unmatched expectations: 325 times [35.0%] -> TEXT PASS (Expected: PASS) 254 times [27.4%] -> TEXT (Expected: PASS) 3 times [0.3%] -> TEXT TIMEOUT (Expected: PASS) Flakiness factor: 67.0% - This test was flaky on 67.0% of the 928 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- webanimations/focus-accelerated-animated-element-initially-in-overflow.html -------------------- The bot gtk-release completed 909 runs on the interval [301594@main-305588@main] Frecuency of results for test: webanimations/focus-accelerated-animated-element-initially-in-overflow.html 288 times [31.7%] -> TEXT 621 times [68.3%] -> TEXT PASS Of those 909 runs it didn't match the expectation 909 times [100%] Details of the type and frequency of unmatched expectations: 288 times [31.7%] -> TEXT (Expected: PASS) 621 times [68.3%] -> TEXT PASS (Expected: PASS) Flakiness factor: 86.7% - This test was flaky on 86.7% of the 909 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 910 runs on the interval [301599@main-305599@main] Frecuency of results for test: webanimations/focus-accelerated-animated-element-initially-in-overflow.html 338 times [37.1%] -> TEXT PASS 61 times [6.7%] -> TEXT 511 times [56.2%] -> NOERROR Of those 910 runs it didn't match the expectation 399 times [43.8%] Details of the type and frequency of unmatched expectations: 338 times [37.1%] -> TEXT PASS (Expected: PASS) 61 times [6.7%] -> TEXT (Expected: PASS) Flakiness factor: 63.0% - This test was flaky on 63.0% of the 910 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- webgl/1.0.x/conformance/textures/misc/video-rotation.html -------------------- The bot gtk-release completed 890 runs on the interval [301594@main-305588@main] Frecuency of results for test: webgl/1.0.x/conformance/textures/misc/video-rotation.html 560 times [62.9%] -> NOERROR 205 times [23.0%] -> TEXT PASS 125 times [14.0%] -> TEXT Of those 890 runs it didn't match the expectation 330 times [37.1%] Details of the type and frequency of unmatched expectations: 205 times [23.0%] -> TEXT PASS (Expected: PASS) 125 times [14.0%] -> TEXT (Expected: PASS) Flakiness factor: 48.2% - This test was flaky on 48.2% of the 890 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 903 runs on the interval [301599@main-305599@main] Frecuency of results for test: webgl/1.0.x/conformance/textures/misc/video-rotation.html 651 times [72.1%] -> NOERROR 3 times [0.3%] -> TEXT TIMEOUT 189 times [20.9%] -> TEXT PASS 1 times [0.1%] -> TIMEOUT PASS 59 times [6.5%] -> TEXT Of those 903 runs it didn't match the expectation 252 times [27.9%] Details of the type and frequency of unmatched expectations: 3 times [0.3%] -> TEXT TIMEOUT (Expected: PASS) 189 times [20.9%] -> TEXT PASS (Expected: PASS) 1 times [0.1%] -> TIMEOUT PASS (Expected: PASS) 59 times [6.5%] -> TEXT (Expected: PASS) Flakiness factor: 40.4% - This test was flaky on 40.4% of the 903 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- -------------------- webgl/2.0.y/conformance/textures/misc/video-rotation.html -------------------- The bot gtk-release completed 888 runs on the interval [301594@main-305588@main] Frecuency of results for test: webgl/2.0.y/conformance/textures/misc/video-rotation.html 646 times [72.7%] -> NOERROR 131 times [14.8%] -> TEXT PASS 111 times [12.5%] -> TEXT Of those 888 runs it didn't match the expectation 242 times [27.3%] Details of the type and frequency of unmatched expectations: 131 times [14.8%] -> TEXT PASS (Expected: PASS) 111 times [12.5%] -> TEXT (Expected: PASS) Flakiness factor: 39.2% - This test was flaky on 39.2% of the 888 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 903 runs on the interval [301599@main-305599@main] Frecuency of results for test: webgl/2.0.y/conformance/textures/misc/video-rotation.html 723 times [80.1%] -> NOERROR 133 times [14.7%] -> TEXT PASS 47 times [5.2%] -> TEXT Of those 903 runs it didn't match the expectation 180 times [19.9%] Details of the type and frequency of unmatched expectations: 133 times [14.7%] -> TEXT PASS (Expected: PASS) 47 times [5.2%] -> TEXT (Expected: PASS) Flakiness factor: 32.0% - This test was flaky on 32.0% of the 903 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------------------------------------------------------------------------------- 2171965 1 clopez 2026-01-14 15:05:30 -0800 report of fullscreen/fullscreen-enter-bottom-padding-animation.html moved to bug 305502 2171967 2 clopez 2026-01-14 15:06:40 -0800 report of imported/w3c/web-platform-tests/service-workers/service-worker/fetch-request-redirect.https.html moved to 305503 2171968 3 clopez 2026-01-14 15:06:59 -0800 report of imported/w3c/web-platform-tests/service-workers/service-worker/fetch-request-redirect.https.html moved to bug 305503 2171975 4 clopez 2026-01-14 15:22:40 -0800 Expectations updated at 305610@main 2172086 5 lmoura 2026-01-14 22:01:49 -0800 Adding to the list a few more: --------- fullscreen/fullscreen-zero-height-element-with-non-zero-children.html ----------- The bot gtk-release completed 944 runs on the interval [301526@main-305524@main] Frecuency of results for test: fullscreen/fullscreen-zero-height-element-with-non-zero-children.html 508 times [53.8%] -> NOERROR 220 times [23.3%] -> TEXT PASS 216 times [22.9%] -> TEXT Of those 944 runs it didn't match the expectation 436 times [46.2%] Details of the type and frequency of unmatched expectations: 220 times [23.3%] -> TEXT PASS (Expected: PASS) 216 times [22.9%] -> TEXT (Expected: PASS) Flakiness factor: 61.7% - This test was flaky on 61.7% of the 944 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot wpe-release completed 1017 runs on the interval [301527@main-305525@main] Frecuency of results for test: fullscreen/fullscreen-zero-height-element-with-non-zero-children.html 215 times [21.1%] -> TEXT PASS 414 times [40.7%] -> NOERROR 388 times [38.2%] -> TEXT Of those 1017 runs it didn't match the expectation 603 times [59.3%] Details of the type and frequency of unmatched expectations: 215 times [21.1%] -> TEXT PASS (Expected: PASS) 388 times [38.2%] -> TEXT (Expected: PASS) Flakiness factor: 66.4% - This test was flaky on 66.4% of the 1017 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ------------ fast/forms/validation-message-appearance.html ------------------ bug102463 The bot wpe-release completed 916 runs on the interval [301527@main-305525@main] Frecuency of results for test: fast/forms/validation-message-appearance.html 856 times [93.4%] -> NOERROR 48 times [5.2%] -> TEXT MISSING 12 times [1.3%] -> TEXT Of those 916 runs it didn't match the expectation 60 times [6.6%] Details of the type and frequency of unmatched expectations: 48 times [5.2%] -> TEXT MISSING (Expected: PASS) 12 times [1.3%] -> TEXT (Expected: PASS) Flakiness factor: 12.4% - This test was flaky on 12.4% of the 916 runs analyzed, either giving different results within a single run, or a different result than in the previous run. ----------------- fast/images/async-image-multiple-clients-repaint.html ----------------------- bug305538 The bot wpe-release completed 920 runs on the interval [301527@main-305525@main] Frecuency of results for test: fast/images/async-image-multiple-clients-repaint.html 840 times [91.3%] -> NOERROR 64 times [7.0%] -> TEXT MISSING 16 times [1.7%] -> TEXT Of those 920 runs it didn't match the expectation 80 times [8.7%] Details of the type and frequency of unmatched expectations: 64 times [7.0%] -> TEXT MISSING (Expected: PASS) 16 times [1.7%] -> TEXT (Expected: PASS) Flakiness factor: 16.0% - This test was flaky on 16.0% of the 920 runs analyzed, either giving different results within a single run, or a different result than in the previous run. The bot gtk-release completed 901 runs on the interval [301526@main-305524@main] Frecuency of results for test: fast/images/async-image-multiple-clients-repaint.html 794 times [88.1%] -> NOERROR 98 times [10.9%] -> TEXT MISSING 9 times [1.0%] -> TEXT Of those 901 runs it didn't match the expectation 107 times [11.9%] Details of the type and frequency of unmatched expectations: 98 times [10.9%] -> TEXT MISSING (Expected: PASS) 9 times [1.0%] -> TEXT (Expected: PASS) Flakiness factor: 21.0% - This test was flaky on 21.0% of the 901 runs analyzed, either giving different results within a single run, or a different result than in the previous run. 2172087 6 lmoura 2026-01-14 22:07:48 -0800 Pull request: https://github.com/WebKit/WebKit/pull/56616 2172090 7 ews-feeder 2026-01-14 22:12:47 -0800 Test gardening commit 305628@main (0ce225948183): <https://commits.webkit.org/305628@main> Reviewed commits have been landed. Closing PR #56616 and removing active labels.