The issue was addressed with improved permissions logic. This issue is fixed in iOS 14.6 and iPadOS 14.6. A user may be unable to fully delete browsing history.
[
{
"product": "iOS and iPadOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "14.6",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]