On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 137 on 2025-05-27 Note: Before Chrome 139, on Linux under X11, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886. On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.
In Chrome Android version 137 on 2025-05-27 Note: Before Chrome Android 139, on Linux under X11, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886. On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.
In Edge version 12 on 2015-07-29
In Firefox version 28 on 2014-03-18
In Firefox for Android version 28 on 2014-03-18
In Internet Explorer version 9 on 2011-03-14
In Quest Browser version 5.0 on undefined Note: On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.
In Opera version 121 on 2025-08-27 Note: Before Opera 123, on Linux under X11, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886. On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.
In Opera Android version 90 on 2025-06-18 Note: Before Opera Android 91, on Linux under X11, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886. On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.
In Safari version 10.1 on 2017-03-27
In Safari on iOS version 10.3 on 2017-03-27
In Samsung Internet version 2.0 on 2014-10-17 Note: On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.
In WebView Android version 137 on 2025-05-27 Note: Before WebView Android 139, on Linux under X11, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886. On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.
In WebView on iOS version 10.3 on 2017-03-27