Из ленты Phoronix — кратко, чтобы не потерять.
With Canonical engineers again experimenting with x86_64-v3 package builds for Ubuntu Linux using an “amd64v3” archive for the current Ubuntu 26.10 development, I decided to see how these latest amd64v3 packages comparing to their conventional Ubuntu 26.10 amd64 packages.
Полный текст и контекст у первоисточника: https://www.phoronix.com/review/ubuntu-2610-amd64v3