UserAgent on Big Sur still reports 10.15.7 on Safari and WKWebView

User agent string on Big Sur has OS version 10_15_7.

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko)

This is observed on Safari as well as when programatically derived using WKWebView().value(forKey: "userAgent").

Similar bugs are reported on Webkit Bugzilla too. https://bugs.webkit.org/show_bug.cgi?id=213622 https://bugs.webkit.org/show_bug.cgi?id=216593

When is this expected to fix?

UserAgent on Big Sur still reports 10.15.7 on Safari and WKWebView
 
 
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