[macOS] Default Xcode will be set to Xcode 12.4 on February, 22

[AlenaSviridenko]

Breaking changes
Default Xcode will be changed to 12.4, and default Xamarin bundle will be changed to 6_12_6 which includes Xamarin.iOS 14.10, Xamarin.Android 11.1, Xamarin.Mac 7.4, Mono 6.12

Target date
Update propagation will start on February, 22 and will take 2-3 days.

The motivation for the changes
We would like to provide images with the latest stable updates as a default ones.

Possible impact
If you use default Xcode version and your project is not compatible with Xcode 12.4 your build can be broken.

Virtual environments affected

• Ubuntu 16.04
• Ubuntu 18.04
• Ubuntu 20.04
• macOS 10.13
• macOS 10.14
• macOS 10.15
• macOS 11.0
• Windows Server 2016 R2
• Windows Server 2019

Mitigation ways
Please consider switching Xcode in runtime to version that you need to build app.
The following snippet can be used to switch Xcode:

sudo xcode-select -s "/Applications/Xcode_12.3.app"

The list of all available Xcode versions can be found in image documentation

[dgonzalezp]

Hi, is AppTrackingTransparency going to be included in this release?

Even forcing Xcode 12.4 if would say

AppDelegate.cs(89,26): error CS0103: The name 'AppTrackingTransparency' does not exist in the current context.

Thanks in advance

[dgonzalezp]

Nevermind, found the solution here #1826

Thanks!

[miketimofeev]

The image with the default Xcode 12.4 has been deployed