There's a much newer version of qhull available; see $URL. Soon this will be needed if we want SageMath to use the system copy of qhull rather than building its own: https://trac.sagemath.org/ticket/31161
2020.2 was added in: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=cd21f130fb8cfad454a207e682a60897ab7a3eaf
Awesome, thank you!