I believe we'd need some more information about the compatibility and interoperability risks with this.
On Fri, Feb 20, 2026 at 10:50 AM Chromestatus < [email protected]> wrote: > *Contact emails* > [email protected], [email protected] > > *Explainer* > *No information provided* > > *Specification* > https://dom.spec.whatwg.org/#dom-document-createevent > > *Summary* > Remove support for creating non-allowlisted event interfaces from > document.createEvent(). After this change, these will throw > NOT_SUPPORTED_ERR as required by the specification. > > *Blink component* > Blink>DOM > <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EDOM%22> > > *Web Feature ID* > *No information provided* > > *Motivation* > The DOM spec defines an allow-list for createEvent(), but Chrome also > supports interfaces not on this list: - AnimationEvent - Usage : 0( > https://chromestatus.com/metrics/feature/timeline/popularity/1162) - > CloseEvent - Usage : 0( > https://chromestatus.com/metrics/feature/timeline/popularity/1227) - > ErrorEvent - Usage : 0( > https://chromestatus.com/metrics/feature/timeline/popularity/1170) - > IDBVersionChangeEvent - Usage : 0( > https://chromestatus.com/metrics/feature/timeline/popularity/1201) - > KeyboardEvents - Usage : 0.00003( > https://chromestatus.com/metrics/feature/timeline/popularity/1228) - > PageTransitionEvent - Usage : 0( > https://chromestatus.com/metrics/feature/timeline/popularity/1174) - > PopStateEvent - Usage : 0.000007( > https://chromestatus.com/metrics/feature/timeline/popularity/1176) - > TrackEvent - Usage : 0( > https://chromestatus.com/metrics/feature/timeline/popularity/1186) - > TransitionEvent - Usage : 0.012334( > https://chromestatus.com/metrics/feature/timeline/popularity/1183) - > WebGLContextEvent - Usage : 0( > https://chromestatus.com/metrics/feature/timeline/popularity/1224) - > WheelEvent - Usage : 0.000011( > https://chromestatus.com/metrics/feature/timeline/popularity/1184) These > interfaces lack init*Event() methods, making the created events unusable. > Event constructors can be used instead (e.g., new AnimationEvent()). > > *Initial public proposal* > *No information provided* > > *Debuggability* > *No information provided* > > *Requires code in //chrome?* > False > > *Tracking bug* > https://issues.chromium.org/issues/41228793 > > *Estimated milestones* > DevTrial on desktop 146 > DevTrial on Android 146 > > *Link to entry on the Chrome Platform Status* > https://chromestatus.com/feature/5095987863486464?gate=6283297569243136 > > This intent message was generated by Chrome Platform Status > <https://chromestatus.com>. > > -- > You received this message because you are subscribed to the Google Groups > "blink-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/69982e7e.710a0220.1e5fb2.0081.GAE%40google.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/69982e7e.710a0220.1e5fb2.0081.GAE%40google.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOmohSJJXuX1tYg%2BBs%2BzxWqGT-bEasBab3d2fKcXn80F35q8pg%40mail.gmail.com.
