What does "InfoDictionary version" signify in information property list (plist file)?
"InfoDictionary version" signifies the version information for the Info.plist format. See Apple's doc for
CFBundleInfoDictionaryVersion for details.
String- iOS, macOS) identifies the current version of the property list structure. This key exists to support future versioning of the information property list file format. Xcode generates this key automatically when you build a bundle and you should not change it manually. The value for this key is currently 6.0.