An issue in the handling of URL protocols was addressed with improved logic. This issue is fixed in tvOS 17.6, visionOS 1.3, Safari 17.6, watchOS 10.6, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6. A user may be able to bypass some web content restrictions.
https://support.apple.com/en-us/120916
https://support.apple.com/en-us/120915
https://support.apple.com/en-us/120914
https://support.apple.com/en-us/120913