https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000455.html

A severe bug was reported yesterday evening against Libgcrypt 1.9.0
which we released last week.  A new version to fix this as weel as a
couple of build problems will be released today.

In the meantime please stop using 1.9.0.

It seems that Fedora 34 and Gentoo are already using 1.9.0 .