Jiahui.Liang

那其实是不是有transfrom-runtime就可以不用babel-polyfill呢？

感觉目前最好好的方案还是直接确定好浏览器范围，然后直接babel-polyfill + useBuiltIns 要么尝试下polyfill.io，自动根据浏览器user-agent返回polyfill，但肯定不能做到百分百正确

@kevinaskin oops, I have found out why . I used the mainWindow after it is destroyed. This will be fixed in 0.3.3. Thanks for your issue.

Each Mkv has 2 audio track, I want to extract 2 audio blob from it.

x5-video-player-type="h5" 在vivo在，同一机型和系统，居然其中一台不生效。。。有遇到的么？

@QinFeiFei 临时的方法，可以预计有n个，iframe动态添加前赋予相应的id即可 `boardcast('1,2,3,4,5...n')`

@steamypassion It needs allow-same-origin, just like this. `` You may find answer in MDN，I guess. [MDN sandbox](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/sandbox)

+1，希望适配，不然在vue-cli3体系下有各种问题...

engine>=0.3.7，pc设置透明背景也不行，变成黑色 跟上面这位大哥一样的例子

Any work around?