* **breaking** Module order is determined according to spec, rather than in a way designed to prevent runtime errors. Rollup will warn if it detects runtime errors are likely ([#435](https://github.com/rollup/rollup/issues/435))
* Prevent overly aggressive tree-shaking with complex call expressions ([#440](https://github.com/rollup/rollup/issues/440))
## 0.24.1
* Handle calls to default exports other that are not function expressions or references to function declarations ([#421](https://github.com/rollup/rollup/issues/421))