Re: [pointerevents] Define `pointermove` and `pointerrawupdate` may have delta from previous corresponding pointer event as `movementX` and `movementY` (#535)

Starting from Firefox 148, Firefox will start setting non-zero to `movementX` and `movementY` of `pointerrawupdate` events because of a web-compat issue in the wild. The values will be the difference from the recent `pointerrawupdate` or `pointermove`.

However, Firefox do not manage the values per `pointerId` yet. I filed [a spec issue](https://github.com/w3c/pointerlock/issues/104) and [a bug of Firefox](https://bugzilla.mozilla.org/show_bug.cgi?id=2005429).

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Received on Thursday, 11 December 2025 05:44:01 UTC