Symfony 6.4 LTS: AssetMapper, Scheduler, Webhook, and the long-term release
Symfony 6.4 landed November 29, 2023. It’s an LTS with a story: four components that shipped as experimental in earlier releases are now stable. The biggest deal is AssetMapper. AssetMapper Modern frontend tooling in Symfony meant Webpack Encore. Encore works: it handles transpilation, bundling, versioning, hot reload. It also requires Node.js, a separate build step, and a non-trivial amount of configuration for what is often a pretty modest frontend. AssetMapper takes a different position. Modern browsers support ES modules natively. Instead of bundling, ship the files as-is, let the browser resolve imports through an importmap, and manage vendor dependencies through downloaded files rather than npm packages. ...