The Angular team has announced it will be deprecating View Engine in Angular 12, but that this change won’t require most developers to take any action. View Engine is Angular’s legacy compilation and rendering pipeline.

It is being replaced by Ivy, which has been the default pipeline for developers for the past year. The goal of Ivy is to make Angular simpler, faster, and easier to maintain.

When it first enabled Ivy in Angular 9, the team developed a compatibility compiler called ngcc that ensures backward compatibility with libraries that use View Engine. This will ensure that even once the legacy compilation and rendering pipeline is deprecated, libraries that depend on it will still work.

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