The Following table shows the minimum versions of XCode you need to have in order to work with the specifics versions of the iOS SDK.
| iOS SDK Version | XCode Version |
|
3.3.0 |
XCode 11.4* |
|
3.3.3 |
XCode 12.0 |
|
3.3.6 |
XCode 12.0+ |
*Apple is stopping accepting apps built with XCode 11 from the start of April 2021, so an update is definitely recommended.