Build cycles are now up to 4x faster thanks to optimizations in the Angular Compatibility Compiler ( ngcc ) and the official move to TypeScript 4.0 .
Released on November 11, 2020, Angular 11 arrived with a heavy focus on the developer experience (DX), triaging a massive backlog of community requests and introducing significant performance optimizations. Key Performance & Tooling Updates What’s new in Angular 11
Developers can opt-in to Webpack 5 experimental support by adding a "resolutions" field in package.json . This paves the way for persistent disk caching and smaller bundle sizes via improved tree-shaking. Improved Developer Workflow Build cycles are now up to 4x faster
TSLint and Codelyzer have been officially deprecated . Angular now recommends migrating to the community-driven angular-eslint stack. This paves the way for persistent disk caching
Initially introduced for Material, harnesses are now available for all components . New APIs like the parallel function and manualChangeDetection provide finer control over asynchronous testing.
To speed up the First Contentful Paint (FCP) , the Angular CLI now automatically downloads and inlines fonts used in your application during the build process.
A preview of the new Ivy-native language service allows for more accurate type checking and generic type inference directly inside templates. Breaking Changes & Deprecations Angular 11 Features: Breaking Changes and New Deprecations