Dear list, I get a fatal error when using –jit using latest beta. $ ./build.sh Livre.pdf [1/1] context --noconsole --jit --errors Livre.tex FAILED: Livre.pdf context --noconsole --jit --errors Livre.tex mtx-context | run 1: luajittex --fmt="c:/ConTeXt/test/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en" --jobname="Livre" --lua="c:/ConTeXt/test/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en.lui" --c:currentrun=1 --c:directives="logs.errors,logs.target=file" --c:engine="luajittex" --c:errors --c:fulljobname="./Livre.tex" --c:input="./Livre.tex" --c:jit --c:kindofrun=1 --c:maxnofruns=9 --c:noconsole --c:texmfbinpath="c:/ConTeXt/test/tex/texmf-win64/bin" "cont-yes.mkiv" This is LuajitTeX, Version 1.09.2 (TeX Live 2018/W32TeX) system commands enabled. ---! c:/ConTeXt/test/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en.fmt was written by luatex (Fatal format file error; I'm stymied)mtx-context | fatal error: return code: 1 It works all fine without --lit option. Was the support LuaJitTeX removed now ? Thanks a lot Joseph