cookies name prefix with underscore are omitted from WKWebsiteDataStore.default().httpCookieStore.getAllCookies

Number:rdar://FB8657242 Date Originated:Sep 9, 2020 at 5:16 PM
Status:Open Resolved:
Product: Product Version:
Classification:WebKit Reproducible:
I notice that some cookies named with prefix underscore will not be passed to iOS app by using the following API


For example, "__Host-GAPS=<whatever_cookie_content>" used in Google Login process.

It's happening on iOS 13.7 and 14 (beta7) 
but not happening on 13.5 or 14 (beta 6)


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