Bug Fixes

• Fixed a crash when closing a window from within a will-navigate event
  listener. #8254
• Offscreen windows are now always created as frameless so the viewport size
  is as expected. #8250
• The backgroundThrottling option is now correctly persisted across window
  reloads. #8298
• The Cookie header is now settable on requests made using Electron's net
  module. #8258
• Fixed a stack overflow error when creating a window with cycles in the
  specified options object. #8340
• Fixed an issue where the session.enableNetworkEmulation API would lead to
  high CPU usage. #8371

macOS

• Fixed a crash when the OS reported no monitors were available. #8249

Linux

• Fixed a crash when closing a window from within a dialog callback. #8252

Windows

• Fixed an issue where the window would be incorrectly placed behind the
  task bar when maximized. #7765

API Changes

• The defaultFontFamily option in the BrowserWindow constructor now supports
  setting the default cursive and fantasy fonts. #8295
• Added a normalizeAccessKeys option to the dialog.showMessageBox API that
  normalizes keyboard accelerator keys used for buttons across platforms. #8308
• window.alert and window.confirm are now supported in <iframe> tags
  and sandboxed windows. #8341