Huawei is allegedly planning to release the Band 6 and Band 6 Pro next month, thereby skipping the fifth generation of its Band series. The Band 6 series is expected to launch simultaneously with the P50 and P50 Pro.
https://www.notebookcheck.net/Huawei-Band-6-and-Band-6-Pro-tipped-to-launch-next-month-with-the-P50-and-P50-Pro.527589.0.html