Webpack Encore Documentation

Name: SymfonyCon Warsaw 2026
Start: 2026-11-26
End: 2026-11-27
Location: Hilton Warsaw Hotel and Convention Centre

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Warning

Webpack Encore is now in low-maintenance mode (bug fixes, security patches, and peerDependencies updates only). If your project needs a bundler, we recommend migrating to Symfony Reprise.

Getting Started

Installation
Using Webpack Encore

Adding more Features

CSS Preprocessors: Sass, LESS, etc.
PostCSS and autoprefixing
Enabling React.js
Enabling Vue.js (vue-loader)
Copying & Referencing Images with Webpack Encore
Configuring Babel
Source maps
Enabling TypeScript (ts-loader)

Optimizing

Versioning (and the entrypoints.json/manifest.json files)
Minifying JavaScript and CSS
Using a CDN
Async Code Splitting with Webpack Encore
Preventing Duplication by "Splitting" Shared Code with Webpack Encore
Inlining Images & Fonts in CSS with Webpack Encore

Guides

Using Bootstrap CSS & JS
jQuery and Legacy Applications
webpack-dev-server and Hot Module Replacement (HMR)
Adding custom loaders & plugins
Advanced Webpack Configuration
Using Encore in a Virtual Machine

Issues & Questions

FAQ & Common Issues

Full API

Full API

This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.

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