Sony has decided to refresh the WF-1000XM5 and WH-1000XM5. Available globally, the new versions of its popular noise-cancelling audio products arrive in the wake of a similar update for Bose's QuietComfort Ultra alternatives.https://www.notebookcheck.net/Sony-releases-new-refreshes-of-WF-1000XM5-and-WH-1000XM5-noise-cancelling-headphones.890586.0.html
Those who know a minimum about it know that the XM4 is better than the XM5 on many ways.
New colors won't change that.