This document is used for collecting all the bugs reported and issues raised because of my investigating how focus works and creating ally.js.
- Mouse/Touch Events Can Focus Parent Element - WebKit 139945
- Multiple use of same image map hides elements from tabbing sequence - Gecko 1116126
- CSS order property (Flexbox) affects document tabbing sequence - Gecko 1116140
- focus event listener on arbitrary SVGElement makes it focusable - Blink 445798, WebKit 140024
- SVGElement.prototype.focus is missing - Gecko 1116966, Trident 1072662
- empty tabindex [tabindex=""] parsed and exposed as [tabindex="-32768"] - Trident 1072965
- wrong activeElement when focusing element in ShadowDOM - Gecko 1117535
- multiple FocusEvents for focus change within the same ShadowRoot - Gecko 1117544
- positive tabindex elements within ShadowDOM are improperly sorted into document's tabbing sequence - Gecko 1117552
- Implement >>> Selecting Through Shadows Selector for access into shadow root - Gecko 1117572
- Rename "Selecting Through Shadows Selector" from "/deep" to ">>>" - Blink 446051
- sequential navigation failure for negative tabindex on ShadowHost -
Blink 446584 - area elements added to document sequential navigation order in DOM order instead of in place of referencing image - Blink 447289, WebKit 140259
- DOM Level 3: FocusEvent sequence - Blink 449857, WebKit 140596, Trident 1092647
- :target element not focused properly when element with autofocus attribute exists - WebKit 140963
- focusing of disabled fieldset element is not prevented - Blink 453847, Webkit 141086
- consecutive object elements break document tabbing order - Trident 1109008
- object element with SVG content is not focusable, with SWF content it is - Trident 1109020
- visible descendants of collapsed table row are not rendered but focused and tabbable - Gecko 1128036
- audio element without valid source is not rendered but focusable - Gecko 1128047
- invalid tabindex value makes element focusable - Gecko 1128054
- Focus Link Target (sequential focus navigation starting point) - Blink 454172, WebKit 141136, Trident 1111056
- element.scrollIntoView() confused by scroll-behavior:smooth; - Gecko 1139745
- audio and video elements with controls cannot be removed from the focus navigation sequence - Blink 512133
- embed element cannot be removed from the focus navigation sequence - Gecko 1185657
- embed element with tabindex="0" breaks sequential focus navigation - Gecko 1195457
<summary>and<a>within<details open>not keyboard focusable - WebKit 151767- label element with tabindex attribute is keyboard focusable - Gecko 1240285
<object>with visibility:hidden should not be focusable - Blink 586191- Tab focus navigation should not break on hidden SVG - Blink 586200, WebKit 154114
- object element usemap should be deprecated
- [Shadow]: how is the autofocus attribute supposed to be handled?
- Sequential Navigation Focus Order for Image Maps
- initial focus precedence: autofocus or fragment identifier
- focusing steps don't contain scrolling an element into view
- [Specifiction] Extending Element-level focus APIs