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 Chrome Android
First removed from Chrome 22
First removed from Chrome Android 3

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

25 APIs took an average of 3170.65 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 Chrome Android). TTA (time to available).
CSS APIsCSS TTA
2013 44573.09
2014 94302.54
2015 13761.09
2017 13209.09
2018 32893.09
2020 12235.09
2023 4835.09
2024 1758.09
2025 1268.09

Deprecated APIs

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

Raw Data

Quick Links:

CSS Data

API First Browser Date Last Browser Date Days Notes
css.at-rules.font-face.SVG_fonts Chrome10/7/2014 Chrome Android10/8/2014
css.at-rules.media.-webkit-animation Chrome7/16/2014 Chrome Android7/16/2014
css.at-rules.media.-webkit-transform-2d Chrome7/16/2014 Chrome Android7/16/2014
css.at-rules.media.-webkit-transition Chrome7/16/2014 Chrome Android7/16/2014
css.at-rules.media.prefers-color-scheme.no-preference Chrome2/4/2020 Chrome Android2/4/2020
css.properties.-webkit-column-axis Chrome5/20/2014 Chrome Android5/20/2014
css.properties.-webkit-column-progression Chrome5/20/2014 Chrome Android5/20/2014
css.properties.-webkit-hyphenate-limit-after Chrome10/1/2013 Chrome Android10/2/2013
css.properties.-webkit-hyphenate-limit-before Chrome10/1/2013 Chrome Android10/2/2013
css.properties.-webkit-hyphenate-limit-lines Chrome10/1/2013 Chrome Android10/2/2013
css.properties.-webkit-line-align Chrome Android4/2/2014 Chrome4/8/2014
css.properties.-webkit-line-box-contain Chrome12/1/2015 Chrome Android12/2/2015
css.properties.-webkit-line-grid Chrome Android4/2/2014 Chrome4/8/2014
css.properties.-webkit-line-snap Chrome Android4/2/2014 Chrome4/8/2014
css.properties.-webkit-mask-repeat-x Chrome12/5/2023 Chrome Android12/5/2023
css.properties.-webkit-mask-repeat-y Chrome12/5/2023 Chrome Android12/5/2023
css.properties.-webkit-nbsp-mode Chrome7/9/2013 Chrome Android7/10/2013
css.properties.background-repeat-x 📋Chrome12/5/2023 Chrome Android12/5/2023
Safari: CSS.supports('background-repeat-x') returns true, but the property has no effect.Safari on iOS: CSS.supports('background-repeat-x') returns true, but the property has no effect.WebView on iOS: CSS.supports('background-repeat-x') returns true, but the property has no effect.
css.properties.background-repeat-y 📋Chrome12/5/2023 Chrome Android12/5/2023
Safari: CSS.supports('background-repeat-y') returns true, but the property has no effect.Safari on iOS: CSS.supports('background-repeat-y') returns true, but the property has no effect.WebView on iOS: CSS.supports('background-repeat-y') returns true, but the property has no effect.
css.properties.box-flex-group Chrome5/29/2018 Chrome Android5/31/2018
css.properties.box-lines Chrome5/29/2018 Chrome Android5/31/2018
css.properties.text-decoration-skip 📋Chrome1/23/2018 Chrome Android1/23/2018
Chrome: Only supported the deprecated ink value.Chrome Android: Only supported the deprecated ink value.Opera: Only supported the deprecated ink value.Opera Android: Only supported the deprecated ink value.Samsung Internet: Only supported the deprecated ink value.WebView Android: Only supported the deprecated ink value.
css.properties.timeline-scope.all 📋Chrome6/24/2025 Chrome Android6/24/2025
css.properties.zoom.reset Chrome6/5/2017 Chrome Android6/6/2017
css.selectors.closed Chrome2/20/2024 Chrome Android2/20/2024
Chrome: The selector is recognized, but has no effect.Chrome Android: The selector is recognized, but has no effect.Edge: The selector is recognized, but has no effect.Opera: The selector is recognized, but has no effect.Opera Android: The selector is recognized, but has no effect.Samsung Internet: The selector is recognized, but has no effect.WebView Android: The selector is recognized, but has no effect.