This repository contains compatibility data for Web technologies as displayed on MDN
api.File.type (#21918)api.Element.ariaBrailleLabel (#21921)api.Element.ariaBrailleRoleDescription (#21921)api.ElementInternals.ariaBrailleLabel (#21921)api.ElementInternals.ariaBrailleRoleDescription (#21921)css.properties.accent-color.auto (#21926)css.properties.alignment-baseline.alphabetic (#21928)css.properties.alignment-baseline.baseline (#21928)css.properties.alignment-baseline.central (#21928)css.properties.alignment-baseline.ideographic (#21928)css.properties.alignment-baseline.mathematical (#21928)css.properties.alignment-baseline.middle (#21928)v5.5.6...v5.5.7)css.properties.background-position.4_value_syntax (#21882)api.RTCStatsReport.type_inbound-rtp.frameHeight (#21890)api.RTCStatsReport.type_inbound-rtp.framesDecoded (#21890)api.RTCStatsReport.type_inbound-rtp.framesPerSecond (#21890)api.RTCStatsReport.type_inbound-rtp.framesReceived (#21890)api.RTCStatsReport.type_inbound-rtp.frameWidth (#21890)api.RTCStatsReport.type_inbound-rtp.keyFramesDecoded (#21890)api.RTCStatsReport.type_inbound-rtp.qpSum (#21890)api.RTCStatsReport.type_inbound-rtp.totalDecodeTime (#21890)api.RTCStatsReport.type_inbound-rtp.totalInterFrameDelay (#21890)api.RTCStatsReport.type_inbound-rtp.totalProcessingDelay (#21890)api.RTCStatsReport.type_inbound-rtp.totalSquaredInterFrameDelay (#21890)browsers.edge.releases.123 (#21881)css.properties.background-position.side-relative_values (#21882)v5.5.5...v5.5.6)css.types.color.color.mixed_type_parameters (#21420)css.types.color.hsl.mixed_type_parameters (#21420)css.types.color.hsla.mixed_type_parameters (#21420)css.types.color.hwb.mixed_type_parameters (#21420)css.types.color.lab.mixed_type_parameters (#21420)css.types.color.lch.mixed_type_parameters (#21420)css.types.color.oklab.mixed_type_parameters (#21420)css.types.color.oklch.mixed_type_parameters (#21420)css.types.color.rgb.mixed_type_parameters (#21420)css.types.color.rgba.mixed_type_parameters (#21420)v5.5.4...v5.5.5)html.elements.area.accesskey (#21811)api.Element.checkVisibility.options_checkOpacity_parameter (#21715)api.Element.checkVisibility.options_checkVisibilityCSS_parameter (#21715)api.Element.checkVisibility.options_contentVisibilityAuto_parameter (#21715)api.Element.checkVisibility.options_visibilityProperty_parameter (#21715)v5.5.3...v5.5.4)api.MediaRecorder.warning_event (#21762)api.MediaStreamTrack.overconstrained_event (#21763)api.RTCRtpSynchronizationSource (#21759)api.RTCRtpSynchronizationSource.voiceActivityFlag (#21759)webextensions.api.contextualIdentities.move (#21702)v5.5.2...v5.5.3)api.Document.lostpointercapture_event (#21630)api.HTMLElement.beforeinput_event (#21640)api.HTMLElement.beforematch_event (#21642)api.HTMLElement.input_event (#21640)api.Element.beforeinput_event (#21640)api.Element.input_event (#21640)browsers.firefox_android.releases.124 (#21685)browsers.firefox.releases.124 (#21685)css.types.image.gradient.linear-gradient.premultiplied_gradients (#21472)css.types.image.gradient.radial-gradient.premultiplied_gradients (#21472)html.elements.track.kind.descriptions (#21720)webassembly.multiMemory (#21620)v5.5.1...v5.5.2)api.Bluetooth.availabilitychanged_event (#21643)css.properties.hyphens.language_czechoslovak (#21677)svg.elements.filter.filterRes (#21679)svg.elements.svg.contentScriptType (#21675)svg.elements.svg.contentStyleType (#21675)svg.elements.switch.allowReorder (#21672)svg.elements.view.viewTarget (#21664)api.CharacterBoundsUpdateEvent (#21603)api.CharacterBoundsUpdateEvent.CharacterBoundsUpdateEvent (#21603)api.CharacterBoundsUpdateEvent.rangeEnd (#21603)api.CharacterBoundsUpdateEvent.rangeStart (#21603)api.ClipboardItem.supports_static (#21603)api.DevicePosture (#21608)api.DevicePosture.change_event (#21608)api.DevicePosture.type (#21608)api.EditContext (#21603)api.EditContext.attachedElements (#21603)api.EditContext.characterBounds (#21603)api.EditContext.characterBoundsRangeStart (#21603)api.EditContext.characterboundsupdate_event (#21603)api.EditContext.compositionend_event (#21603)api.EditContext.compositionstart_event (#21603)api.EditContext.EditContext (#21603)api.EditContext.selectionEnd (#21603)api.EditContext.selectionStart (#21603)api.EditContext.text (#21603)api.EditContext.textformatupdate_event (#21603)api.EditContext.textupdate_event (#21603)api.EditContext.updateCharacterBounds (#21603)api.EditContext.updateControlBounds (#21603)api.EditContext.updateSelection (#21603)api.EditContext.updateSelectionBounds (#21603)api.EditContext.updateText (#21603)api.HTMLElement.editContext (#21603)api.Navigator.devicePosture (#21608)api.TextFormat (#21603)api.TextFormat.rangeEnd (#21603)api.TextFormat.rangeStart (#21603)api.TextFormat.TextFormat (#21603)api.TextFormat.underlineStyle (#21603)api.TextFormat.underlineThickness (#21603)api.TextFormatUpdateEvent (#21603)api.TextFormatUpdateEvent.getTextFormats (#21603)api.TextFormatUpdateEvent.TextFormatUpdateEvent (#21603)api.TextUpdateEvent (#21603)api.TextUpdateEvent.selectionEnd (#21603)api.TextUpdateEvent.selectionStart (#21603)api.TextUpdateEvent.text (#21603)api.TextUpdateEvent.TextUpdateEvent (#21603)api.TextUpdateEvent.updateRangeEnd (#21603)api.TextUpdateEvent.updateRangeStart (#21603)css.at-rules.media.device-posture (#21608)css.properties.hyphens.language_slovak (#21677)html.elements.hr.hr_in_select (#21652)html.elements.select.hr_in_select (#21652)v5.5.0...v5.5.1)A new, automatically-generated version_last property has been added! When version_removed is present in a statement, version_last will also be present, which indicates the last version a feature was supported in.
api.KeyboardEvent.getModifierState.accel_parameter (#21442)api.KeyboardEvent.getModifierState.alt_parameter (#21442)api.KeyboardEvent.getModifierState.altgraph_parameter (#21442)api.KeyboardEvent.getModifierState.capslock_parameter (#21442)api.KeyboardEvent.getModifierState.control_parameter (#21442)api.KeyboardEvent.getModifierState.fn_parameter (#21442)api.KeyboardEvent.getModifierState.meta_parameter (#21442)api.KeyboardEvent.getModifierState.numlock_parameter (#21442)api.KeyboardEvent.getModifierState.os_parameter (#21442)api.KeyboardEvent.getModifierState.scrolllock_parameter (#21442)api.KeyboardEvent.getModifierState.shift_parameter (#21442)api.KeyboardEvent.getModifierState.symbol_parameter (#21442)css.properties.font-variant.font-variant-emoji (#21626)css.properties.hyphens.auto_value (#21625)javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeZone_parameter.options_timeZone_parameter_iana (#21471)javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeZoneName_parameter.options_timeZoneName_parameter_iana (#21470)javascript.statements.import.import_attribues_assert (#21526)javascript.statements.import.import_attribues_assert.type_json (#21526)api.HTMLIFrameElement.credentialless (#21615)api.KeyboardEvent.getModifierState.key_parameter_accel (#21442)api.KeyboardEvent.getModifierState.key_parameter_alt (#21442)api.KeyboardEvent.getModifierState.key_parameter_altgraph (#21442)api.KeyboardEvent.getModifierState.key_parameter_capslock (#21442)api.KeyboardEvent.getModifierState.key_parameter_control (#21442)api.KeyboardEvent.getModifierState.key_parameter_fn (#21442)api.KeyboardEvent.getModifierState.key_parameter_meta (#21442)api.KeyboardEvent.getModifierState.key_parameter_numlock (#21442)api.KeyboardEvent.getModifierState.key_parameter_os (#21442)api.KeyboardEvent.getModifierState.key_parameter_scrolllock (#21442)api.KeyboardEvent.getModifierState.key_parameter_shift (#21442)api.KeyboardEvent.getModifierState.key_parameter_symbol (#21442)api.MediaDevices.getDisplayMedia.monitorTypeSurfaces_option (#21518)api.OffscreenCanvas.getContext.webgpu_context (#21435)api.Permissions.permission_top-level-storage-access (#21379)api.SVGGeometryElement.isPointInFill.point_parameter_DOMPoint (#21490)api.SVGGeometryElement.isPointInStroke.point_parameter_DOMPoint (#21490)browsers.nodejs.releases.19.9.0 (#21416)browsers.nodejs.releases.20.10.0 (#21407)browsers.opera_android.releases.79 (#21559)browsers.safari_ios.releases.17.3 (#21600)browsers.safari.releases.17.3 (#21600)css.properties.-webkit-app-region (#21621)css.properties.-webkit-border-horizontal-spacing (#21621)css.properties.-webkit-border-vertical-spacing (#21621)css.properties.-webkit-column-axis (#21621)css.properties.-webkit-column-break-after (#21621)css.properties.-webkit-column-break-before (#21621)css.properties.-webkit-column-break-inside (#21621)css.properties.-webkit-column-progression (#21621)css.properties.-webkit-cursor-visibility (#21621)css.properties.-webkit-hyphenate-character (#21621)css.properties.-webkit-hyphenate-limit-after (#21621)css.properties.-webkit-hyphenate-limit-before (#21621)css.properties.-webkit-hyphenate-limit-lines (#21621)css.properties.-webkit-initial-letter (#21621)css.properties.-webkit-line-align (#21621)css.properties.-webkit-line-box-contain (#21621)css.properties.-webkit-line-grid (#21621)css.properties.-webkit-line-snap (#21621)css.properties.-webkit-locale (#21621)css.properties.-webkit-logical-height (#21621)css.properties.-webkit-logical-width (#21621)css.properties.-webkit-margin-after (#21621)css.properties.-webkit-margin-before (#21621)css.properties.-webkit-mask-box-image-outset (#21621)css.properties.-webkit-mask-box-image-repeat (#21621)css.properties.-webkit-mask-box-image-slice (#21621)css.properties.-webkit-mask-box-image-source (#21621)css.properties.-webkit-mask-box-image-width (#21621)css.properties.-webkit-mask-source-type (#21621)css.properties.-webkit-max-logical-height (#21621)css.properties.-webkit-max-logical-width (#21621)css.properties.-webkit-min-logical-height (#21621)css.properties.-webkit-min-logical-width (#21621)css.properties.-webkit-nbsp-mode (#21621)css.properties.-webkit-perspective-origin-x (#21621)css.properties.-webkit-perspective-origin-y (#21621)css.properties.-webkit-rtl-ordering (#21621)css.properties.-webkit-text-combine (#21621)css.properties.-webkit-text-decoration-skip (#21621)css.properties.-webkit-text-decorations-in-effect (#21621)css.properties.-webkit-text-zoom (#21621)css.properties.-webkit-transform-origin-x (#21621)css.properties.-webkit-transform-origin-y (#21621)css.properties.-webkit-transform-origin-z (#21621)css.properties.-webkit-user-drag (#21621)css.properties.-webkit-user-modify (#21621)css.properties.hyphens.auto (#21625)css.properties.word-break.auto-phrase (#21607)css.selectors.-moz-first-node (#21622)css.selectors.-moz-focus-inner (#21622)css.selectors.-moz-last-node (#21622)css.selectors.-moz-list-bullet (#21622)css.selectors.-moz-list-number (#21622)css.selectors.-moz-progress-bar (#21622)css.selectors.-webkit-slider-runnable-track (#21623)css.selectors.-webkit-slider-thumb (#21623)css.selectors.selection.text-decoration (#21536)css.types.color.color.relative_syntax (#21590)css.types.color.hsl.relative_syntax (#21583)css.types.color.hwb.relative_syntax (#21583)css.types.color.lab.relative_syntax (#21583)css.types.color.lch.relative_syntax (#21583)css.types.color.oklab.relative_syntax (#21583)css.types.color.oklch.relative_syntax (#21583)css.types.color.rgb.relative_syntax (#21583)css.types.length.em (#21488)javascript.builtins.Error.cause.displayed_in_console (#21570)javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeZone_parameter.iana_time_zones (#21471)javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeZoneName_parameter.extended_values (#21470)javascript.statements.import.import_assertions (#21526)javascript.statements.import.import_assertions.type_json (#21526)v5.4.5...v5.5.0)api.Permissions.permission_speaker-selection (#21529)api.Sanitizer.sanitizeFor (#21514)css.properties.background-position-x.two_value_syntax (#21539)css.properties.background-position-y.2_value_syntax (#21539)css.properties.hyphens.language_finish (#21499)webextensions.manifest.omnibox.key (#21527)api.CredentialsContainer.create.publicKey_option.extensions.payment (#21460)api.Fence (#20294)api.Fence.getNestedConfigs (#20294)api.Fence.reportEvent (#20294)api.Fence.setReportEventDataForAutomaticBeacons (#20294)api.Fence.setReportEventDataForAutomaticBeacons.start_commit_eventType (#20294)api.FencedFrameConfig (#20294)api.FencedFrameConfig.setSharedStorageContext (#20294)api.HTMLFencedFrameElement (#20294)api.HTMLFencedFrameElement.allow (#20294)api.HTMLFencedFrameElement.config (#20294)api.HTMLFencedFrameElement.height (#20294)api.HTMLFencedFrameElement.width (#20294)api.Navigator.deprecatedReplaceInURN (#20294)api.PaymentRequest.PaymentRequest.secure_payment_confirmation_method (#21460)api.Window.fence (#20294)browsers.nodejs.releases.17.4.0 (#21414)browsers.nodejs.releases.18.16.0 (#21415)browsers.nodejs.releases.19.8.0 (#21415)css.properties.background-position-x.side-relative_values (#21539)css.properties.background-position-y.side-relative_values (#21539)css.properties.hyphens.language_albanian (#21489)css.properties.hyphens.language_amharic (#21489)css.properties.hyphens.language_armenian (#21489)css.properties.hyphens.language_assamese (#21489)css.properties.hyphens.language_basque (#21489)css.properties.hyphens.language_belarusian (#21489)css.properties.hyphens.language_bengali (#21489)css.properties.hyphens.language_cyrillic_mongolian (#21489)css.properties.hyphens.language_czechoslovak (#21489)css.properties.hyphens.language_ethiopic_script_mul (#21489)css.properties.hyphens.language_ethiopic_script_und (#21489)css.properties.hyphens.language_finnish (#21499)css.properties.hyphens.language_georgian (#21489)css.properties.hyphens.language_gujarati (#21489)css.properties.hyphens.language_hindi (#21489)css.properties.hyphens.language_irish (#21489)css.properties.hyphens.language_kannada (#21489)css.properties.hyphens.language_latvian (#21489)css.properties.hyphens.language_malayalam (#21489)css.properties.hyphens.language_marathi (#21489)css.properties.hyphens.language_modern_greek (#21489)css.properties.hyphens.language_old_slavonic (#21489)css.properties.hyphens.language_oriya (#21489)css.properties.hyphens.language_punjabi (#21489)css.properties.hyphens.language_tamil (#21489)css.properties.hyphens.language_telugu (#21489)css.properties.hyphens.language_turkmen (#21489)html.elements.a.target.unfencedTop (#20294)html.elements.fencedframe (#20294)http.headers.Content-Security-Policy.fenced-frame-src (#20294)http.headers.Sec-Fetch-Dest.fencedframe (#20294)http.headers.Supports-Loading-Mode.credentialed-prerender (#20294)http.headers.Supports-Loading-Mode.fenced-frames (#20294)webextensions.manifest.omnibox.keyword (#21527)v5.4.4...v5.4.5)html.elements.form.autocapitalize (#21458)http.headers.Origin-Agent-Cluster (#21424)v5.4.3...v5.4.4)