Package texlive-publishers provides version 2.12 of class acmart.cls.
Therefore it should be compatible with the examples provided by
upstream in [1]. However, example sample-acmsmall-submission.tex
does not compile:
---
! Package fontspec Error:
(fontspec) The font "libertinusmath-regular" cannot be found;
(fontspec) this may be but usually is not a fontspec bug.
(fontspec) Either there is a typo in the font name/file, the
(fontspec) font is not installed (correctly), or there is a
(fontspec) bug in the underlying font loading engine
(fontspec) (XeTeX/luaotfload).
For immediate help type H <return>.
...
l.868 \RequirePackage
[tt=false]{libertine}
?
---
How could we provide libertinusmath-regular?
Regards, Joachim
[1] https://portalparts.acm.org/hippo/latex_templates/acmart-primary.zip