On Thu, Jun 27, 2019 at 4:16 PM Ulrike Fischer <news3@nililand.de> wrote:

\documentclass{article}
\usepackage{luatexja}

\begin{document}
abc
\end{document}

breaks down with luatex 1.11 with an assertion error :
https://i.stack.imgur.com/c8Rcj.png

confirmed under linux

lualatex: ../../../source/texk/web2c/luatexdir/tex/texmath.c:2623: after_math: Assertion `varmem[(0+5+5+5+5+5+5+2+2+2)].hh.v.RH!=null' failed.

luigi