An early test build of iOS 14 apparently leverages Apple's Neural engine to enable seamless, in-app machine translation in Safari and other core Apple apps. If the implementation is sound, this could be a a major boon for iOS 14 users on the iPhone 12 later this year.
https://www.notebookcheck.net/iOS-14-update-Will-Google-Translate-become-redundant-on-iPhone-12-AI-powered-A14-Bionic-Neural-engine-translation-feature-set-to-transform-Safari-and-App-Store.467702.0.html