Update older melonJS code for version 20.x. Review the asynchronous Application setup, renderer changes, post-effect API, and deprecated exports so you can identify outdated patterns when migrating or debugging expected APIs.
- Migrating a game from melonJS 19.x
- Checking why an older API is missing
- Replacing deprecated shader assignments
melonjs/melonJS6.4KUpdated Oct 29, 2026