[Webkit-unassigned] [Bug 231330] Deadlocks in UIKeyboardTaskQueue from WKContentView(WKInteraction) endSelectionChange.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=231330

--- Comment #7 from Wenson Hsieh <wenson_hsieh at apple.com> ---
(In reply to Ali Juma from comment #6)
> (In reply to Wenson Hsieh from comment #5)
> > (In reply to Ali Juma from comment #4)
> > > We are still getting reports of this hang on iOS 15.4 beta (19E5225g).
> > > 
> > > (In reply to Wenson Hsieh from comment #2)
> > > > The changes in r280019 would only kick in if the user has Switch Control
> > > > active (in Accessibility settings). Is that the case here?
> > > 
> > > Someone who ran into this hang let us know they don't have Switch Control
> > > enabled, but do have an external keyboard.
> > 
> > Thanks! That's really good to know. To summarize, I think the three clues we
> > have so far are that this bug:
> > 
> > • Reproduces while performing a single tap to change the editable selection
> > • Does not require Switch Control to reproduce
> > • Reproduces with a hardware keyboard attached
> >   (though, it's unclear if it *only* reproduces when a hardware keyboard is
> > attached)
> > 
> > I haven't been able to reproduce simply by tapping around inside
> > contenteditable text with a hardware keyboard attached on iPad, so there's
> > definitely more to this bug. In the meantime, do you have stats on which
> > device models (i.e. iPad vs. iPhone) are experiencing this hang? If a
> > disproportionate number of users are hitting this on iPad (despite iPhone
> > users being far more common), I think it would be a strong indication that
> > the hardware keyboard plays an important role in reproducing this.
> 
> The crash is affecting both iPad and iPhone. The most commonly affected
> devices are older iPhones (6s, 7, 7 plus). 
> 
> The iPhone vs iPad breakdown looks similar to the percentage of users on
> each device.

I see, thanks for the info! Definitely not specific to the hardware keyboard, then...

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