* Shorthand attributes — `<Widget :foo/>` is equivalent to `<Widget foo='{{foo}}'/>` ([#384](https://github.com/sveltejs/svelte/pull/384))
* Support `bind:group` for radio and checkbox inputs ([#311](https://github.com/sveltejs/svelte/issues/311), [#312](https://github.com/sveltejs/svelte/issues/312))
* Better sourcemap support for two-way bindings
## 1.11.4
* Dev mode warning for bad `component.observe` arguments ([#369](https://github.com/sveltejs/svelte/issues/369))