Anyone? After updating LMTX to the latest version 2019.11.28, context stopped working, only to produce core dumps ... Any hints as how to resolve this? Thanks! .Floris resolvers | formats | executing runner 'run luametatex format': /home/vm/data/context/tex/texmf-linux-64/bin/luametatex --jobname="zzz" --fmt=/home/vm/data/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.fmt --lua=/home/vm/data/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.lui cont-yes.mkiv --c:currentrun=1 --c:fulljobname="./zzz.tex" --c:input="./zzz.tex" --c:kindofrun=1 --c:maxnofruns=9 --c:texmfbinpath="/home/vm/data/context/tex/texmf-linux-64/bin" This is LuaMetaTeX, Version 2.01.0 open source > level 1, order 1, name 'cont-yes.mkiv' system > system > ConTeXt ver: 2019.11.28 14:27 MKIV beta fmt: 2019.11.29 int: english/english system > system > 'cont-new.mkiv' loaded open source > level 2, order 2, name '/home/vm/data/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv' system > beware: some patches loaded from cont-new.mkiv close source > level 2, order 2, name '/home/vm/data/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv' system > files > jobname 'zzz', input './zzz', result 'zzz' fonts > latin modern fonts are not preloaded languages > language 'en' is active open source > level 2, order 3, name './zzz.tex' fonts > beware: no fonts are loaded yet, using 'lm mono' in box fonts > otf loading > loading '/home/vm/data/context/tex/texmf/fonts/opentype/public/lm/lmmono10-regular.otf', hash 'lmmono10-regular' fonts > otf loading > loading done fonts > otf loading > saving '/home/vm/data/context/tex/texmf/fonts/opentype/public/lm/lmmono10-regular.otf' in cache system > lua > compiling '/home/vm/data/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/fonts/otl/lmmono10-regular.tma' into '/home/vm/data/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/fonts/otl/lmmono10-regular.tmd' system > lua > dumping '/home/vm/data/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/fonts/otl/lmmono10-regular.tma' into '/home/vm/data/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/fonts/otl/lmmono10-regular.tmd' stripped fonts > otf loading > loading, optimizing, packing and caching time 0.029 Floating point exception (core dumped) mtx-context | fatal error: return code: 34816