I installed Mocha Pro AVX 2021 in Avid Media Composer today. I’m unable to track any shot without serious error. Here is a link to 4 videos: 2 shots, each tracked with 2020.5 and 2021.
Let me know if there is more information I can provide.
macOS Mojave 10.14.6
Mac mini (2018)
3.2 mGHz Intel Core i732 GB 2667 MHz DDR4
Intel UHD Graphics 630 1536 MB
Avid Media Composer 2020.12 alpha