According to the description of the code, “pride ribbons undulate separately in surprising patterns, as they approach their consolidation”. And also “a digital sphere that shows a rainbow of colored ribbons”. That is all we can know for the moment of this new sphere, it will be interesting to see if it is a temporal or indefinite sphere. In any case, it is the first sphere that is released outside of a major watchOS update.
Recall that iOS 11.3 has not yet been released publicly for all devices, only for the sixth generation iPad. It is expected that throughout this week or next week officially arrive on all devices compatible with iOS 11.