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iOS 18.4 crash in WebCore with NSAttributedString
My app started crashing since iOS 18.4 update. Crashes started happening in 18.4 beta and are still happening in the official 18.4 RTM build (22E240). Crash is happening randomly and I cannot reproduce it, but it affects a few percent of users. As you can see in log, crash happen when NSAttributedString is loading HTML with init(data:options:documentAttributes:) with .html documentType. Crash-2025-04-02-154720.ips
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Apr ’25