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+# Phaser 3.85.0 Change Log
+
+Return to the [Change Log index](CHANGELOG-v3.85.md).
+
+# `MatterCollisionEvents` integration
+
+Integrated `MatterCollisionEvents` plugin functionality directly into the `Matter.World` class to handle collision events (`collisionStart`, `collisionActive`, and `collisionEnd`) more effectively.
+
+Three new events are available on `Matter.Body`:
+1. `onCollide`
+2. `onCollideEnd`
+3. `onCollideActive`
+
+These events correspond to the Matter events `collisionStart`, `collisionActive` and `collisionEnd`, respectively.
+
+You can listen to these events via `Matter.Events` or they will also be emitted from the Matter World.
+
+Also added to `Matter.Body` are three convenience functions:
+- `Matter.Body.setOnCollide(callback)`
+- `Matter.Body.setOnCollideEnd(callback)`
+- `Matter.Body.setOnCollideActive(callback)`
+
+To register an event callback, provide a function of type `(pair: Matter.Pair) => void`.
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