So according to this blog post https://www.zerodayinitiative.com/blog/2021/10/14/adding-a-beta-nas-device-to-pwn2own-austin, the next major version of MCH will be 8.x.
It reads:
The updates will take you from 7.15.1-101 (current) to 7.16.0-216 and then the beta 8.0.0-301
Has anyone heard of what will be new with it?
In addition, the beta has been hacked during the November event: https://www.zerodayinitiative.com/blog/2021/11/1/pwn2ownaustin
1200 - The STARLabs Team targeting the beta version of the 3TB My Cloud Home Personal Cloud from WD in the NAS category
SUCCESS - The STARLabs team of Nguyễn Hoàng Thạch (@hi_im_d4rkn3ss) and Billy Jheng Bing-Jhong (@st424204) combined an OOB Read and a heap-based buffer overflow to exploit the beta version of the 3TB My Cloud Home Personal Cloud from WD. They earn $45,000 and 5 Master of Pwn points.