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I need to use the font Constantia and thus compile my document with LuaLaTeX using \usepackage{fontspec}(Editor is TeXStudio). As I do not like the OldStyle numbers, I use \setmainfont[Numbers=Lining]{Constantia}. So far, this worked perfectly, but since I updated MikTeX yesterday I get the error: 

OpenType feature 'Numbers=Uppercase' (lnum) not(fontspec) available for font 'Constantia' with script(fontspec) 'CustomDefault' and language 'Default'.

Here is a MWE:

\documentclass{scrreprt}
\usepackage{fontspec}
\setmainfont[Numbers=Lining]{Constantia}

\begin{document}

1234567890

\end{document}

It produces the following output:

Numbers are set in OldStyle

The font itself can't be the problem, as I tested it in Word where I can change the behavior:

Output generated with Word and Font-Option Lining

Thank you in advance for your help.

J. Prass
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1 Answers1

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The luatex 1.10.1 used in miktex has a bug affecting font usage.

I already made a bug report for this and suggested that the miktex goes back to 1.10.0: https://github.com/MiKTeX/miktex/issues/353

If you are in pressing need you could install texlive 2019 beside your miktex and use this until the problem has been resolved.

Ulrike Fischer
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  • Thank you very much@UlrikeFischer , it is not that urgend, so guess I will wait for the new update 1.11. Do you know when this will be released? – J. Prass Aug 15 '19 at 10:29
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    Update: Today there were new Versions of lualibs and loaotfload. Unfortunately the problem persists. – J. Prass Aug 19 '19 at 07:06
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    The problem is in the binary. There is nothing that luaotfload can do here. You can only add a comment to https://github.com/MiKTeX/miktex/issues/353 that the issue is really a problem and wait (it is holiday time currently ...), or switch to texlive. – Ulrike Fischer Aug 19 '19 at 07:13
  • Done, thank you for the support. – J. Prass Aug 20 '19 at 07:55