Deprecated

For a given set of browsers, what APIs are removed in all of them how many days it take for the API to removed in the first browser to the last.

Example Comparisons
Browsers
Features

Summary

A count of the number of APIs that were removed from A first and B last.
Last removed from ChromeLast removed from Edge
First removed from Chrome 42
First removed from Edge 1

Average time for an API to be removed across Chrome and Edge

43 APIs took an average of 2628.16 days to be removed

API breakdown:

Average time to landing by year of first deprecation

If a feature is deprecated in the earliest browser in 20XX it took Y days on average to become deprecated in the last browser (when considering Chrome and Edge). TTA (time to available).
DOM API APIsDOM API TTA
2014 64139.02
2016 193711.02
2017 13075.02
2020 22122.02
2021 21640.02
2024 11592.57
2025 2275.02

Deprecated APIs

Below is a list of features that are deprecated in Chrome and Edge

Raw Data

Quick Links:

DOM API Data

API First Browser Date Last Browser Date Days Notes
api.DelegatedInkTrailPresenter.expectedImprovement Chrome10/15/2024 Edge10/17/2024
api.GPUAdapter.isFallbackAdapter Chrome9/2/2025 Edge9/5/2025
Chrome: Supported on ChromeOS, macOS, and Windows only.Edge: Supported on ChromeOS, macOS, and Windows only.Opera: Supported on ChromeOS, macOS, and Windows only.
api.GPUAdapter.requestAdapterInfo Chrome11/12/2024 Edge11/14/2024
Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.
api.GPUCommandEncoder.writeTimestamp Chrome1/23/2024 Edge1/25/2024
Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.
api.GPUSupportedLimits.maxInterStageShaderComponents Chrome4/1/2025 Edge4/4/2025
api.MutationEvent Chrome7/23/2024 Edge7/25/2024
api.MutationEvent.attrChange Chrome7/23/2024 Edge7/25/2024
api.MutationEvent.attrName Chrome7/23/2024 Edge7/25/2024
api.MutationEvent.initMutationEvent Chrome7/23/2024 Edge7/25/2024
api.MutationEvent.newValue Chrome7/23/2024 Edge7/25/2024
api.MutationEvent.prevValue Chrome7/23/2024 Edge7/25/2024
api.MutationEvent.relatedNode Chrome7/23/2024 Edge7/25/2024
api.Navigator.mimeTypes.returns_plugin_type Chrome9/21/2021 Edge9/24/2021
api.Navigator.plugins.returns_plugins Chrome9/21/2021 Edge9/24/2021
api.Permissions.permission_accessibility-events Chrome11/12/2024 Edge11/14/2024
api.RTCStatsReport.type_outbound-rtp.totalEncodedBytesTarget 📋Edge7/16/2020 Chrome7/27/2020
api.SVGDiscardElement 📋Chrome4/7/2020 Edge4/13/2020
api.SVGPathElement.createSVGPathSegArcAbs Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegArcRel Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegClosePath Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegCurvetoCubicAbs Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegCurvetoCubicRel Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegCurvetoCubicSmoothAbs Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegCurvetoCubicSmoothRel Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegCurvetoQuadraticAbs Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegCurvetoQuadraticRel Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegCurvetoQuadraticSmoothAbs Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegCurvetoQuadraticSmoothRel Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegLinetoAbs Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegLinetoHorizontalAbs Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegLinetoHorizontalRel Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegLinetoRel Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegLinetoVerticalAbs Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegLinetoVerticalRel Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegMovetoAbs Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.createSVGPathSegMovetoRel Chrome1/20/2016 Edge1/15/2020
api.SVGPathElement.getPathSegAtLength Chrome10/17/2017 Edge1/15/2020
api.WebKitPoint Chrome11/18/2014 Edge1/15/2020
api.WebKitPoint.WebKitPoint Chrome11/18/2014 Edge1/15/2020
api.WebKitPoint.x Chrome11/18/2014 Edge1/15/2020
api.WebKitPoint.y Chrome11/18/2014 Edge1/15/2020
api.Window.webkitConvertPointFromNodeToPage Chrome11/18/2014 Edge1/15/2020
api.Window.webkitConvertPointFromPageToNode Chrome11/18/2014 Edge1/15/2020