Vue.js 1.0.0 Alpha 5 发布，此版本更新内容如下：
重大更新
bind-attr is now replaced by v-bind:attr, with :attr as shorthand;
on-event is now replaced by v-on:event, with @event as shorthand; Also, key filter is now denoted with . as a modifier: @keyup.esc="handleEsc".
Literal directive: v-dir#="xxx" is now replaced by v-dir.literal="xxx".
Prop binding types:
:prop@="twoWay" is now replaced by :prop.sync="twoWay"
:prop*="oneTime" is now replaced by :prop.once="oneTime"
Child component and element refs:
$.child is now replaced by v-ref:child. vm.$ is also renamed to vm.$refs.
$$.node is now replaced by v-el:node. vm.$$ is also renamed to vm.$els.
其他更新
v-on now also works for custom events when used on a child component.
修复
所有 0.12.15 版本的修复
下载：https://github.com/yyx990803/vue/archive/1.0.0-alpha.5.zip。
Vue.js 0.12.15 发布，此版本主要是 bug 修复：
#1321 options param for
