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conformance

spec-vs-implementation probes

Each suite is a list of assertions drawn from the spec text. Click into one and your browser runs the assertions live — Chrome stable, Chrome canary, Firefox, and Safari each give their own verdict. This is the live "does it actually work the way the spec says" matrix.

846 suites · 4937 total assertions

pageassertionskinds
v157 · approximate-geolocation 8 exists typeof typeof script script throws script script
v157 · disallow-spaces-in-non-file-url-hosts 8 throws throws script script script script script throws
v157 · web-bluetooth-bluetoothremotegattserver-maxwritewithoutresponsesize 8 exists typeof exists script typeof script script script
v157 · web-bluetooth-make-bluetoothremotegattserver-an-eventtarget 8 script script script script typeof script script manual
v156 · avoid-caching-module-failures 5 script script script script manual
v156 · compression-dictionary-transport-updates 5 script script script manual manual
v156 · css-pseudo-class-for-navigation-source-element 6 script css-supports css-supports script script manual
v156 · deferred-imports-evaluation-import-defer 4 script script script manual
v156 · optional-descriptors-for-registered-custom-properties 8 typeof script script script script script throws script
v156 · svg-foreignobject-does-not-taint-the-canvas-for-blob-urls 6 typeof typeof script script script script
v156 · svg-textpath-side-attribute 5 script script script script manual
v155 · closest-corner-and-farthest-corner-radii-for-circle-and-ellipse-basic-shapes 8 script script script script script script script script
v155 · css-corner-shorthand-properties 8 script script script script script script script script
v155 · css-random-function 8 script script script script script script script script
v155 · import-text-text-modules 6 script script script script script script
v155 · jpeg-xl-decoding-support-image-jxl-in-blink 7 typeof script script script script script script
v155 · margin-trim 7 script script script script script script script
v155 · predefinedcolorspace-srgb-linear-and-display-p3-linear 8 script script script script script throws script script
v155 · remove-fencedframe-element-and-window-fence-apis 4 script script script script
v155 · stricter-enterprise-policy-enforcement-for-chrome-debugger-api 5 script manual manual manual script
v154 · add-options-bag-to-websocket-constructor 6 typeof script script script script throws
v154 · ask-before-http-on-by-default 6 typeof script script script manual manual
v154 · cors-enforcement-for-background-fetch 7 typeof exists exists script script script script
v154 · css-scroll-marker-group-modes 9 css-supports css-supports css-supports css-supports css-supports css-supports script script manual
v154 · css-symbols 8 script script script script script script script script
v154 · css-text-decoration-inset 8 script script script script script script script script
v154 · expose-cssstylevalue-hierarchy-to-worker-contexts 7 script script script script script script script
v154 · fetch-api-forward-reason-from-abortcontroller-to-fetch-response 7 script script script script script script script
v154 · fontface-width-attribute-and-font-width-descriptor 7 script script script script script script script
v154 · iterator-includes 9 typeof script script script script script script script script
v154 · local-network-access-restrictions-for-background-fetch 7 typeof typeof script script script script script
v154 · private-verification-tokens 6 script script script script script script
v154 · secure-payment-confirmation-locale-validation 7 typeof script script script script script script
v154 · support-for-specialized-webhid-devices-on-android 6 script script script script script script
v154 · support-targetaddressspace-option-for-websockets 5 script script script script script
v154 · webgpu-wgsl-fragment-depth 7 exists typeof typeof script script script script
v154 · webtransport-headers-and-responseheaders 7 typeof script script script exists script script
v153 · immersive-audio-model-and-formats-iamf-decoding-support 6 typeof script script script script script
v153 · interoperable-dispatch-timing-for-transitionrun-and-media-query-events 6 script script script script script script
v153 · iterator-join 7 script script script script script script script
v153 · joint-iteration 8 typeof script script script script script script script
v153 · js-self-profiling-markers 6 typeof script script script script script
v153 · remove-non-standard-navigations-targeted-at-current 4 script script script script
v153 · scroll-axis-lock 6 css-supports css-supports script script script script
v153 · single-axis-scroll-containers 7 css-supports script script script script script script
v153 · speechrecognitionresult-timestamps-webspeech-api 8 manual manual manual manual manual manual manual manual
v153 · spell-check-custom-dictionary-api 7 script script script script script script script
v153 · sub-apps 5 script script script script script
v153 · support-long-animation-frames-api-in-web-workers 6 typeof script script script script script
v152 · audiopreferred-capture-in-getdisplaymedia-api 8 exists typeof script script script script script script
v152 · capability-elements-camera-and-microphone 6 typeof typeof script typeof typeof script
v152 · connection-allowlists 5 typeof script script script script
v152 · cpu-performance-api 7 exists typeof script script script typeof script
v152 · css-image-animation 6 css-supports css-supports css-supports css-supports script script
v152 · csspseudoelement-support-for-backdrop-scroll-marker-and-view-transitions 6 script script script script script script
v152 · declarative-shadow-dom-shadowrootadoptedstylesheets 4 script script script script
v152 · deprecate-and-remove-attribution-reporting-api 6 script script script typeof script script
v152 · deprecate-and-remove-document-requeststorageaccessfor 5 script typeof typeof script script
v152 · deprecate-and-remove-private-aggregation-api 3 script script script
v152 · deprecate-and-remove-related-website-sets-rws 5 typeof script script script script
v152 · deprecate-and-remove-xslt 6 exists script script script script exists
v152 · expose-the-autocorrect-global-html-attribute 7 script script script script script script script
v152 · gamepad-button-type-attribute 6 typeof typeof script script script script
v152 · indexeddb-sqlite-backend 5 exists script script script script
v152 · media-element-pseudo-classes 8 script script script script script script script script
v152 · mediacapabilities-decodinginfo-encryptionscheme 6 exists typeof script script script script
v152 · notification-attribution-for-pwas-on-macos 5 typeof script typeof typeof script
v152 · opaquerange 6 exists typeof typeof script script exists
v152 · reference-target-for-cross-root-aria 5 script script script script script
v152 · relative-alpha-colors-css-color-5-alpha-function 8 css-supports css-supports script script css-supports script script script
v152 · renewed-html-insertion-streaming-methods 7 typeof typeof script typeof typeof script script
v152 · responsively-sized-iframe 4 script script script script
v152 · speculation-rules-moderate-viewport-heuristics-controls 4 script script script script
v152 · suspicious-site-warnings 6 script script script script script script
v152 · unframed-display-mode-for-isolated-web-apps 4 script script script script
v152 · user-agent-image-replacement-api 6 typeof script script script script script
v152 · webaudio-configurable-render-quantum 5 script script script script script
v152 · webgpu-buffer-view-feature 4 exists typeof script script
v152 · webgpu-subgroup-size-control 4 exists script script script
v152 · window-drag 5 script script script script css-supports
v152 · window-shape-api 4 script script script script
v151 · algorithm-updates-in-webcrypto 9 exists typeof typeof typeof typeof typeof typeof script script
v151 · animation-accessor-on-animation-and-transition-events 9 exists exists exists exists script script script script script
v151 · aria-actions 9 exists exists script typeof script script script script script
v151 · capability-elements-usermedia-mvp 3 typeof script typeof
v151 · change-the-position-anchor-initial-value-to-normal 3 css-supports css-supports script
v151 · chrome-will-remove-support-for-macos-12 5 typeof script script script script
v151 · cpu-performance-api 7 exists typeof script script script typeof script
v151 · cross-origin-redirect-timing-opt-in 4 exists exists script script
v151 · css-ruby-overhang-property 6 css-supports css-supports script script script script
v151 · declarative-performance-observer 9 typeof script script script script script script typeof script
v151 · declarative-shadow-dom-shadowrootslotassignment-attribute 3 exists script script
v151 · deviceorientation-events-permission-request-api 3 typeof typeof typeof
v151 · expose-the-autocorrect-global-html-attribute 7 script script script script script script script
v151 · incognitostaticstoragequota 6 exists typeof script script typeof script
v151 · languagedetector-support-for-traditional-vs-simplified-chinese 3 exists typeof typeof
v151 · navigation-ignore-duplicate-navigations 4 exists typeof typeof typeof
v151 · no-auto-rewind-for-animationtrigger-play-methods 2 exists script
v151 · performancesoftnavigation-and-interactioncontentfulpaint-performance-entry 3 script script script
v151 · permission-policy-merger-direct-sockets-private-with-local-network-and-loopback- 6 script script script script script throws
v151 · permissions-policy-focus-without-user-activation 6 script typeof typeof script script script
v151 · prefetch-activation-beacon 8 typeof script script script script script script script
v151 · protocol-filtering-in-digital-credential-api 8 exists typeof script script script script script script
v151 · reference-target-for-cross-root-aria 2 exists script
v151 · relative-alpha-colors-css-color-5-alpha-function 3 css-supports css-supports css-supports
v151 · remove-legacynointerfaceobject-from-fontfaceset-idl 3 typeof script typeof
v151 · renewed-html-insertion-streaming-methods 7 typeof typeof script typeof typeof script script
v151 · resource-timing-add-spec-compliant-service-worker-router-timing-fields 6 exists script script script script exists
v151 · speculation-rules-form-submission-field 3 script script script
v151 · textstream-for-response-request-blob 4 exists exists exists script
v151 · web-speech-api-unspoken-punctuation 6 script script script script script script
v151 · webaudio-configurable-render-quantum 7 script script script script script script script
v151 · webrtc-data-channel-sctp-negotiation-acceleration-protocol 8 exists exists script script script script script script
v151 · wheel-event-momentum 2 exists script
v151 · window-drag 6 css-supports css-supports script script script css-supports
v151 · xml-parsing-in-rust-for-non-xslt-scenarios 3 script script script
v150 · accentcolor-and-accentcolortext-system-colors 6 css-supports css-supports css-supports css-supports script script
v150 · additional-windowing-controls 9 typeof typeof typeof typeof script script manual manual manual
v150 · algorithm-updates-in-webcrypto 8 typeof typeof typeof typeof typeof typeof script script
v150 · allow-optional-rounding-parameter-for-polygon 6 css-supports css-supports script css-supports script css-supports
v150 · animatable-zoom 6 css-supports css-supports css-supports script script script
v150 · capability-elements-usermedia-mvp 9 script exists script script script script script typeof script
v150 · case-sensitive-anchor-name-matching-in-quirks-mode 7 script script script script script script script
v150 · clone-into-all-descendant-selectedcontent-elements 7 exists script css-supports script script script script
v150 · comma-separated-container-queries 7 css-supports script script script script script script
v150 · css-background-clip-border-area 8 css-supports css-supports css-supports script css-supports script script script
v150 · css-fit-content-function-for-sizing-properties 6 css-supports css-supports css-supports css-supports css-supports script
v150 · css-fit-width-text 7 css-supports css-supports css-supports css-supports script script script
v150 · css-image-color-function 8 css-supports css-supports css-supports css-supports css-supports css-supports script script
v150 · css-light-dark-with-image-values 6 css-supports css-supports css-supports css-supports css-supports script
v150 · css-text-fit-property 7 css-supports css-supports css-supports css-supports css-supports script script
v150 · css-url-request-modifiers 11 css-supports css-supports css-supports script css-supports css-supports script script script script script
v150 · css4-text-decoration-skip-spaces 8 css-supports css-supports css-supports css-supports css-supports script script script
v150 · deprecate-and-remove-attribution-reporting-api 6 script script script typeof script script
v150 · deprecate-and-remove-document-requeststorageaccessfor 5 script typeof typeof script script
v150 · deprecate-and-remove-related-website-sets-rws 5 typeof script script script script
v150 · deviceorientation-events-permission-request-api 7 exists exists typeof typeof script script script
v150 · disable-svg-filters-on-plugins-and-cross-origin-or-restricted-iframes 5 css-supports css-supports script script script
v150 · email-verification-protocol 8 script script script script script script script script
v150 · expose-the-autocorrect-global-html-attribute 6 script script script script script script
v150 · expose-unprintable-areas-via-css 6 script css-supports css-supports css-supports script css-supports
v150 · flex-wrap-balance 6 css-supports css-supports script script script script
v150 · focusgroup 7 script script script script script script script
v150 · indexeddb-sqlite-backend 5 exists script script script script
v150 · media-element-pseudo-classes 8 script script script script script script script script
v150 · mediastreamtrackprocessor-frame-counters 6 exists script script script script exists
v150 · named-feature-function-for-css-supports 9 css-supports script script script script script script script script
v150 · on-device-web-speech-api 6 script script script script script script
v150 · opaque-origin-for-data-urls 5 exists script script script script
v150 · out-of-order-streaming 6 script script script script script script
v150 · overscroll-behavior-chain 6 css-supports css-supports css-supports css-supports script script
v150 · parse-processing-instructions-in-html 9 script script script script script script script script script
v150 · popover-hint-behavior-changes 6 script script script script script script
v150 · programmatic-scroll-promises 10 script script script script script script script script script script
v150 · pwa-origin-migration 6 script script script script script script
v150 · relative-alpha-colors-css-color-5-alpha-function 5 css-supports css-supports css-supports script script
v150 · remove-legacynointerfaceobject-from-fontfaceset-idl 4 script typeof script script
v150 · responsively-sized-iframe 4 script script script script
v150 · softnavigation-performance-entry 3 script script script
v150 · speculative-load-measurement 7 exists typeof script script script script script
v150 · sub-apps 7 exists typeof typeof typeof script script script
v150 · support-path-length-as-a-css-property 3 css-supports css-supports script
v150 · update-text-selection-on-mouseup-before-dispatching-click-event 4 script script script script
v150 · web-speech-api-on-device-recognition-quality 6 script script script script script script
v150 · web-speech-api-unspoken-punctuation 4 script script script script
v150 · webgpu-immediates 4 script script script script
v150 · webrtc-diagnostic-logging-api 7 exists typeof typeof typeof script script script
v149 · allow-payment-handlers-to-report-back-internal-errors 7 exists typeof exists script script script exists
v149 · android-ime-media-insertion 6 exists script exists script script script
v149 · capability-elements-usermedia-mvp 6 script script exists typeof script script
v149 · clip-text-overflow-on-user-interaction 9 css-supports css-supports script typeof script script script script script
v149 · comma-separated-container-queries 5 script script exists script script
v149 · css-gap-decorations 8 css-supports css-supports css-supports css-supports css-supports css-supports css-supports script
v149 · css-path-length 6 css-supports css-supports css-supports script script css-supports
v149 · css-scroll-state-container-queries 6 css-supports script script script css-supports css-supports
v149 · css-shape-function 6 css-supports css-supports css-supports css-supports script css-supports
v149 · css-text-box 6 css-supports css-supports css-supports css-supports css-supports script
v149 · css-url-request-modifiers 6 css-supports css-supports css-supports css-supports css-supports script
v149 · deferred-clipboard-data-reads 6 exists typeof exists typeof script typeof
v149 · disable-svg-filters-on-plugins-and-cross-origin-restricted-iframes 6 css-supports css-supports script exists exists script
v149 · disconnect-websockets-on-bfcache-entry 6 exists typeof script script script script
v149 · flex-wrap-balance 5 css-supports css-supports css-supports script css-supports
v149 · gamepad-event-driven-input-api 6 script typeof exists exists script script
v149 · image-rendering-crisp-edges 6 css-supports css-supports css-supports css-supports script script
v149 · indexeddb-sqlite-backend 6 exists typeof typeof exists script script
v149 · inline-script-cache 6 exists script script script script script
v149 · intl-locale-prototype-variants 6 exists script script script script script
v149 · opaque-range 6 exists typeof typeof script script exists
v149 · opaquerange 6 exists typeof typeof script script exists
v149 · overscroll-gestures 6 css-supports css-supports css-supports script css-supports css-supports
v149 · payment-request-allow-payment-handlers-to-report-back-internal-errors 6 exists typeof typeof script script script
v149 · permissions-policy-focus-without-user-activation 5 script script typeof script script
v149 · platform-provided-behaviors 6 exists typeof typeof script exists typeof
v149 · popover-hint-behavior-changes 8 script script script typeof typeof script script typeof
v149 · programmatic-scroll-promise 6 script script script script css-supports script
v149 · remove-explicit-border-color-ua-stylesheet-rule-for-tables 6 exists script script css-supports css-supports script
v149 · request-isreloadnavigation-attribute 6 exists script script script script script
v149 · respect-autocorrect-off-for-windows-touch-keyboard-in-tsf 6 script script script script script script
v149 · selective-clipboard-format-read 6 typeof script script throws typeof script
v149 · service-worker-router-timing-fields 6 exists exists script script typeof script
v149 · support-path-and-shape-in-shape-outside 6 css-supports css-supports css-supports script script script
v149 · support-path-length-as-a-css-property 6 css-supports css-supports script script script script
v149 · support-rect-and-xywh-in-shape-outside 6 css-supports css-supports css-supports css-supports script script
v149 · system-accent-color-scoped-to-web-apps 6 css-supports css-supports css-supports css-supports script script
v149 · uint8array-base64-hex 7 typeof typeof script typeof typeof script throws
v149 · user-action-pseudo-class-top-layer-boundary 7 script script script script script script script
v149 · web-app-scope-system-accent-color 6 css-supports css-supports css-supports css-supports script script
v149 · webassembly-custom-descriptors 6 exists exists script exists script typeof
v149 · webmcp 6 script script script script script script
v148 · agentic-federated-login 5 exists typeof exists script script
v148 · at-rule-css-feature-detection 5 script script script script script
v148 · clip-text-overflow-on-user-interaction 5 css-supports script script script script
v148 · connection-allowlists 5 typeof script script script script
v148 · container-timing 6 exists script script script script script
v148 · content-type-in-resource-timing 6 exists script script script script script
v148 · correctly-set-dropeffect-for-dragenter-dragleave-and-dragover-events 5 exists script script script script
v148 · css-name-only-container-queries 5 css-supports script script script css-supports
v148 · declarative-css-module-scripts 5 script script script script script
v148 · deprecate-and-remove-non-allowlisted-event-interfaces-from-document-createevent 5 script script script throws script
v148 · extended-lifetime-shared-workers 5 exists typeof script script exists
v148 · get-secure-payment-confirmation-capabilities 5 exists typeof script exists script
v148 · html-in-canvas 5 script script script script script
v148 · idna-contextj-rules 5 exists script throws throws script
v148 · language-detector-api 9 exists script script script script script script script script
v148 · lazy-loading-for-video-and-audio-elements 5 script script script script exists
v148 · long-animation-frames-style-duration 5 script exists script script script
v148 · manifest-localization 5 script script script exists script
v148 · opaquerange 5 script script script script exists
v148 · open-font-format-avar2-text-shaping-and-glyph-rendering 5 css-supports script typeof script script
v148 · out-of-order-streaming 5 exists script exists script exists
v148 · parse-processing-instructions-in-html 5 exists script script script script
v148 · pointer-event-suppression-on-drag-start 5 exists script exists script script
v148 · predictable-reported-storage-quota 5 exists script script script script
v148 · prompt-api 6 exists script script script script script
v148 · prompt-api-sampling-parameters 5 script script script script script
v148 · pwa-origin-migration 5 script exists script script script
v148 · remove-explicit-border-color-ua-stylesheet-rule-for-tables 5 exists css-supports script css-supports script
v148 · renewed-html-insertion-streaming-methods 6 script script script script exists script
v148 · sharedworker-on-android 5 exists typeof script script script
v148 · summarizer-api-performance-preference 5 exists script script script script
v148 · text-decoration-skip-ink-all 5 css-supports css-supports css-supports script css-supports
v148 · the-revert-rule-keyword 5 css-supports css-supports css-supports script script
v148 · translator-api 5 exists script script script script
v148 · user-action-pseudo-class-top-layer-boundary 5 css-supports css-supports css-supports script script
v148 · web-app-html-install-element 5 script script script script script
v148 · web-authentication-immediate-ui-mode 5 exists script script script script
v148 · web-serial-api-on-android 5 exists script script exists script
v148 · webgpu-compatibility-mode 5 exists script script exists script
v148 · webgpu-linear-indexing-feature 5 exists script script script exists
v148 · webrtc-datachannel-always-negotiate-data-channels 6 exists exists script script script script
v147 · autofill-event 6 script script script script script script
v147 · clip-text-overflow-on-user-interaction 6 css-supports css-supports script script script script
v147 · corner-shaping-corner-shape-superellipse-squircle 10 css-supports css-supports css-supports css-supports css-supports css-supports css-supports script script script
v147 · css-border-shape 6 css-supports css-supports css-supports css-supports script script
v147 · css-contrast-color 6 css-supports css-supports css-supports css-supports script script
v147 · css-update-decoupling-of-width-and-style-properties 7 script script script script script script script
v147 · csspseudoelement-interface 7 script script script script script script script
v147 · csspseudoelement-support-for-backdrop-scroll-marker-and-view-transitions 6 script script script script script script
v147 · device-bound-session-credentials 6 typeof exists script exists typeof script
v147 · document-policy-in-dedicated-workers 6 typeof script script typeof script script
v147 · element-scoped-view-transitions 6 typeof typeof script css-supports css-supports script
v147 · gamepad-event-driven-input-api 10 typeof typeof typeof script script script script script typeof script
v147 · get-secure-payment-confirmation-capabilities 4 exists typeof script script
v147 · js-profiling-in-dedicated-workers 6 exists typeof script script script script
v147 · json-and-style-support-for-link-rel-modulepreload 5 script script script script script
v147 · lazy-loading-for-video-and-audio-elements 8 exists exists script script script script script script
v147 · local-network-access-restrictions 6 exists script script script script script
v147 · local-network-access-restrictions-for-websockets 10 exists typeof typeof typeof script script script script exists script
v147 · local-network-access-restrictions-for-webtransport 10 exists typeof typeof script script script script script script script
v147 · local-network-access-restrictions-on-service-worker-windowclient-navigate 6 exists typeof script script script script
v147 · long-animation-frames-style-duration 8 script exists script script script script script script
v147 · math-sumprecise 8 typeof script script script script script script script
v147 · pointer-event-suppression-on-drag-start 7 exists script exists script script script script
v147 · prerendering-cross-origin-iframes 6 exists typeof script script script script
v147 · pseudo-target-on-events 7 script script script script script script script
v147 · pwa-origin-migration 7 script script script script script script script
v147 · remove-inline-xslt-for-production-of-svg 7 exists exists script script script script script
v147 · request-isreloadnavigation-attribute 6 exists script script script script script
v147 · softnavigation-performance-entry 9 script script script script script script script script script
v147 · support-path-attribute-on-svg-textpath-element 9 typeof script script script script script script script script
v147 · timeline-named-range-scroll 8 css-supports css-supports css-supports css-supports css-supports script script script
v147 · update-device-memory-api-limits 6 exists script script script script script
v147 · web-printing-api 8 exists script script script script script script script
v147 · webnn 4 script script script script
v147 · webrequest-securityinfo-in-controlled-frame 5 script script script script script
v147 · webxr-layers 6 exists exists exists exists exists exists
v147 · webxr-plane-detection 10 exists typeof script script script script exists typeof script script
v147 · webxr-plane-detection-api 10 exists typeof script script script script exists typeof script script
v147 · x25519kyber768-key-encapsulation-for-tls 8 typeof typeof typeof typeof script script script script
v147 · xml-parsing-in-rust-for-non-xslt-scenarios 9 exists exists script script script script script script script
v146 · cache-sharing-for-extremely-pervasive-resources 6 typeof script typeof exists script script
v146 · cpu-performance-api 6 script script script script script typeof
v146 · data-url-mime-type-parameter-preservation 8 script script script script script script script script
v146 · focusgroup 6 script script script script script script
v146 · iterator-sequencing 8 typeof script script script throws script script script
v146 · lcp-match-specced-behavior-for-emitting-candidates 6 script script script script script script
v146 · local-network-access-restrictions 6 typeof script script script script script
v146 · meta-name-text-scale 5 script css-supports script script script
v146 · named-feature-function-for-css-supports 6 typeof script script script script script
v146 · navigation-api-add-post-commit-handler-from-precommit 6 exists script script script script script
v146 · playback-statistics-api-for-webaudio 7 exists script exists script script script script
v146 · populate-targeturl-during-file-handling 6 exists typeof exists script script script
v146 · preserving-dropeffect-values-from-dragover-to-drop-events 6 exists script script script script script
v146 · sanitizer-api 7 exists script script script script typeof script
v146 · scoped-custom-element-registry 6 script script script script script script
v146 · scroll-triggered-animations 7 script script script script script script script
v146 · selective-permissions-intervention 6 exists script script script script script
v146 · speculation-rules-form-submission-field 5 script script script script script
v146 · stop-re-queueing-launchparams-on-reload 6 exists typeof script script script script
v146 · support-hanging-and-each-line-for-text-indent 7 css-supports css-supports css-supports css-supports css-supports script script
v146 · support-the-hanging-and-each-line-for-the-text-indent-property 6 css-supports css-supports css-supports css-supports css-supports script
v146 · trigger-scope 6 css-supports css-supports css-supports css-supports script script
v146 · unframed-mode-f-k-a-borderless 5 script script script script script
v146 · webgpu-compatibility-mode 6 exists typeof script script script script
v146 · webgpu-texture-and-sampler-lets 6 exists script script script script script
v146 · webgpu-transient-attachments 6 exists script script script script script
v146 · webmcp 6 script script script script throws script
v145 · add-presentationtime-painttime-to-performance-entries 7 exists script script script script script script
v145 · chrome-removes-support-for-obsolete-virtual-cameras-on-macos 5 exists typeof exists exists typeof
v145 · clipboardchange-event-sticky-activation-permission-check 6 exists typeof script exists script exists
v145 · column-wrapping-for-multicol 6 css-supports css-supports css-supports css-supports css-supports script
v145 · container-timing 6 exists script script script script script
v145 · cookie-store-api-maxage-attribute 6 exists exists typeof script typeof typeof
v145 · crash-reporting-key-value-api 6 exists typeof typeof typeof script exists
v145 · css-letter-spacing-and-word-spacing-percentage-values 6 css-supports css-supports css-supports css-supports css-supports script
v145 · css-name-only-container-queries 5 css-supports css-supports css-supports script css-supports
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