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Rather than clients needing to create an appropriate view in a XIB and attach it to an FLEViewController, which is error-prone, have FLEViewController create its own view programatically. The view is now an internal detail, so calling setView: on an FLEViewController will no longer work. As a result of the view being internal, the public API surface is simplified. This is a breaking change for macOS Runners.
Flutter Engine
Flutter is Google's mobile app SDK for crafting high-quality native interfaces on iOS and Android in record time. Flutter works with existing code, is used by developers and organizations around the world, and is free and open source.
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