Khaled Hosny submitted an update to the
libertinus
package.
Version number: 6.4 2017-05-17 License type: ofl
Summary description: The Libertinus font family
Announcement text: ---------------------------------------------------------------------- - Fix broken extensibles of the left square bracket in the math font. ----------------------------------------------------------------------
This package is located at http://mirror.ctan.org/fonts/libertinus
More information is at http://www.ctan.org/pkg/libertinus
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Thanks for the upload.
For the CTAN Team Ina Dau