Problem with \rput command with XeLaTex and PSTricks

Question

After Ghostscript updated to 9.50, labels with \rput appear at (0,0) with PSTricks. I'm using Texlive 2019 (with all the latest updates)

\documentclass[a4paper, 12pt]{standalone}
\usepackage{mathspec}
\setmainfont{Calibri}
\setmathfont(Greek,Latin,Digits)[Uppercase=Regular, Lowercase=Regular, Arabic=Regular]{Calibri}
\usepackage{pstricks}
\usepackage{tikz}
%
\begin{document}

    \begin{pspicture}(-.5, -.5)(4.5, 4.5)
        \pspolygon[showpoints=true](0, 0)(4, 0)(2, 4) \rput(0,-.3){$B$} \rput(4, -.3){$Γ$} \rput(2, 4.3){$A$}
        \psdots(2, 0)(.75, 1.5)(3.25, 1.5) \rput(2, -.3){$M$} \put(.5, 1.6){$K$} \rput(3.5, 1.6){$Λ$}
    \end{pspicture}

\end{document}

Answer 1

I faced this problem in Ubuntu 20.04 with Ghostscript v9.50. The problem went away by installing gs v9.25 from sources downloaded from this link. There was no problem with installation.

However, I also kept gs v9.50 in /usr/bin/gs as /usr/bin/gs95.

Answer 2

I had the same problem with Texlive 2020.

The good link is : https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs925.

Problem was solved by downloading and extracting ghostscript-9.25-linux-x86_64.tgz hen

sudo mv /usr/bin/gs /usr/bin/gs954

sudo mv gs-925-linux-x86_64 /usr/bin/gs

Thanks to Chak !