对于xcode 11.1，不包含iPad pro iPad Pro (2nd Gen) 12.9" Display在终端运行此命令

xrun simctl创建iPad Pro(12.9英寸)(第二代)“com.apple.CoreSimulator.SimDeviceType。iPad-Pro——12-9-inch 2 nd-generation - com.apple.CoreSimulator.SimRuntime.iOS-13-1”

看这里

 1)iPhone X screenshot support in iTunes Connect.October 27, 2017.

 2)You can now upload screenshots for iPhone X. 
  You’ll see a new tab for 5.8-inch displays under Screenshots and App Previews on your iOS app  version information page.

 3)Note that iPhone X screenshots are optional and cannot be used for smaller devices sizes. 
  5.5-inchdisplay screenshots are still required for all apps that run on iPhone.

 4)iPhone X Screenshot Resolutions
  1125 by 2436 (Portrait)
  2436 by 1125 (Landscape)

这些细节由日志给出…

iPhone 6 Plus

Screen bounds: {{0, 0}, {414, 736}}, Screen resolution: <UIScreen: 0x7f97fad330b0; bounds = {{0, 0}, {414, 736}}; 
mode = <UIScreenMode: 0x7f97fae1ce00; size = 1242.000000 x 2208.000000>>, scale: 3.000000, nativeScale: 3.000000

iPhone 6

Screen bounds: {{0, 0}, {375, 667}}, Screen resolution: <UIScreen: 0x7fa01b5182d0; bounds = {{0, 0}, {375, 667}}; 
mode = <UIScreenMode: 0x7fa01b711760; size = 750.000000 x 1334.000000>>, scale: 2.000000, nativeScale: 2.000000

对于xcode 11.1，不包含iPad pro iPad Pro (2nd Gen) 12.9" Display在终端运行此命令

xrun simctl创建iPad Pro(12.9英寸)(第二代)“com.apple.CoreSimulator.SimDeviceType。iPad-Pro——12-9-inch 2 nd-generation - com.apple.CoreSimulator.SimRuntime.iOS-13-1”

看这里

在Xcode 9中，除了将窗口比例设置为100%(⌘1)外，现在还需要在调试菜单中取消选择窗口比例的优化呈现，以便获得适当分辨率的截图。

要截取应用商店中使用的适当大小的截图:

1)。在模拟器中运行应用程序 2)。设置刻度(⌘1) 3)。取消选中优化渲染窗口缩放调试菜单 4)。使用⌘S进行截图

通过各自设备的模拟器，我们可以方便地使用cmd+S命令进行截图。这为我们模拟的设备提供了精确的分辨率。审查小组本应提及这一点，但从未提及。：）