%%% Crucial versions
% This one introduces path encoding changes
\TestLaTeXVersion{2019/10/01}
+% This introduces all math and text spaces
+% previously only available via amsmath
+\TestLaTeXVersion{2020/10/01}
%%% And now, the list of available languages
% The trick is to know that \the\everyjob contains something like
\TestPackage{libertineMono-type1}
\TestPackage{libertineMono}
\TestPackage{libertineRoman}
+\TestPackage{libertinus}
+\TestPackage{libertinust1math}
\TestPackage{lmodern}
\TestPackage{luximono}
\TestPackage{mathdesign}% for Roman fonts