Electron v1.2.1 发布了，更新如下：
Changelog:
Set default mime type if mimeType is not defined in the handler of protocol.registerBufferJobAPI. #5711
Add app.releaseSingleInstance() API. #5720
Add select-bluetooth-device event to WebContents. #5781
Fix support for DevTools Extensions. #5711
Fix node integration and preload script not working when webSecurity: false is set. #5768
Fix protocol.registerHttpProtocol not working when the target URL redirects. #5753
Fix objects without prototype can not be passed in remote module. #5736
Fix print() method not available for the window returned by window.open. #5737
Fix WebBluetooth not working. #5781
Windows
Fix node processes unable to print output to console. #5776
Fix fullscreen: false option also setting fullscreenable: false in BrowserWindow. #5718
Fix using wrong icon size for Windows taskbar. #5763
Fix window icon reverting to default after hiding and showing the window. #5782
OS X
Fix menu appearing on wrong monitor. #5726
Fix crash caused by calling BrowserWindow.setAspectRatio(0) #5734
其他下载地址请访问：https://github.com/electron/electron/releases
下载地址：https://github.com/electron/electron/archive/v1.2.1.tar.gz
来自:开源中国社区
