Apple has introduced new possibilities for content on-device filtering on iOS, iPadOS, and macOS. Because traffic is filtered on device there is no network impact. There is already solutions like jamf Safe Internet on the market which have integrated Apples new technology. Performance is a huge factor for us with Roaming clients and it is crucial for our success that DNS Filter is monitoring Apples development and best practices so we can succeed with filtering Apple devices with the solution of DNSFilter. Here is the documentation from Apple about plug-ins for adavanced content filtering of web and socket traffic: https://developer.apple.com/documentation/networkextension/content_filter_providers