Libertinus Serif bold has dissappeared

[Enrico Gregorio]

> On 13 Mar 2019, at 23:16 , Dominik Wujastyk <wujastyk at gmail.com> wrote:
> 
> Pretest TL 2019:
> 
> A XeLaTeX document I have that uses \setmainfont{Libertinus Serif} has stopped providing bold face for \textbf{xxx}.

What OS? If GNU/Linux, have you refreshed the font cache?

On my machine

diff /usr/local/texlive/201{9,8}/texmf-dist/fonts/opentype/public/libertinus-fonts/

shows no difference.

Ciao
Enrico