The user facing string is 11.0, whatever the underlying value is

Author: designatednerd

.circleci/config.yml

@@ -15,7 +15,7 @@ parameters:
     default: "iphonesimulator14.0"
   macos_version: # The user-facing version string for macOS builds
     type: string
-    default: "10.15"
+    default: "11.0"
   macos_sdk: # The full SDK string to use for macOS builds
     type: string
     default: "macosx10.16"