Changelog:

• Don't emit will-quit when app.exit() is called.
• Add isMainFrame parameter to did-fail-load event of WebContents.
• Add statusLine property to webRequest.OnHeadersReceived API's responseHeaders object.
• Add backgroundThrottling option to webPreferences of BrowserWindow.
• Add resourceType parameter to did-get-response-details event of WebContents.
• Fix <webview> and preload script not working when there is no script tag in page.
• Fix webRequest.onHeadersReceived API modifying original headers' status line.
• Fix breakpoints not working after reloading in the devtools view.
• Fix idle GC not working in the main process.
• Fix the race condition between did-fail-load and did-finish-load events.
• Fix wrong default transparent background for frameless window.
• Fix SSL certificate information not showing in the Security tab of devtools.

Windows

• Fix printing not working.
• Fix support with NVDA/JAWS screen readers.
• Fix crash when closing a window in its blur event handler.
• Fix notification not showing when Application User Model ID is set.

OS X

• Fix template image not working as tray icon on some machines.
• Fix backgroundColor of BrowserWindow not displaying correctly.

Linux

• Do not wait for xdg-open to exit when calling shell.openExternal.
• Add support for the tag property of HTML5 Notification API.
• Fix notifications not showing on Ubuntu 16.04.