- Many CLI options were renamed in favor of the above change, please use `webpack serve --help` to get a list of them.

- The `stdin` option was removed in favor of `--watch-options-stdin`.

- `injectClient` and `injectHot` were removed in favor of manual setup entries.

v3:

- Compatibility with `IE11`/`IE10`/`IE9`:

- For `IE11`/`IE10` you need polyfill `fetch()` and `Promise`, example:

```js

IE8 is not supported, sorry

- Change in **Node.js API**:

- If you're using dev-server through the Node.js API, the options in devServer will be ignored. Pass the options as a first parameter instead:

v3: