Hi Hans,
MkIV appears to be broken in the latest update:
$ context --luatex --make
mtx-context | redirect luametatex -> luatex: luatex --luaonly --socket
"/opt/context/tex/texmf-linux-64/bin/mtxrun.lua" --script mtx-context --luatex
--make --redirected
resolvers | resolving | configuration files already identified
[...]
resolvers | formats | using tex source file
'/opt/context/tex/texmf-context/tex/context/base/mkiv/cont-en.mkiv'
resolvers | formats | using lua stub file
'/opt/context/tex/texmf-context/tex/context/base/mkiv/luat-cod.lua'
resolvers | formats | changing to format path
'/home/max/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex'
resolvers | formats | executing runner 'make luatex format':
/opt/context/tex/texmf-linux-64/bin/luatex --ini --socket --shell-escape
--lua=/opt/context/tex/texmf-context/tex/context/base/mkiv/luat-cod.lua
/opt/context/tex/texmf-context/tex/context/base/mkiv/cont-en.mkiv
This is LuaTeX, Version 1.23.3 (TeX Live 2026/dev) (INITEX)
system commands enabled.
(/opt/context/tex/texmf-context/tex/context/base/mkiv/cont-en.mkiv
(/opt/context/tex/texmf-context/tex/context/base/mkiv/context.mkiv
[...]
open source > level 1, order 223, name
'/opt/context/tex/texmf-context/tex/context/base/mkiv/trac-vis.mkiv'
loading > ConTeXt Tracing Macros / Visualization
system > lua > macros expanded in
'/opt/context/tex/texmf-context/tex/context/base/mkiv/trac-vis.lua' (57242 =>
57298 bytes)
system > lua > loading of file
'/opt/context/tex/texmf-context/tex/context/base/mkiv/trac-vis.lua' failed:
no message
resolvers > lua > loading file
'/opt/context/tex/texmf-context/tex/context/base/mkiv/trac-vis.lua' failed
error loading file: trac-vis.lua (aborting)resolvers | formats |
resolvers | formats | binary path :
/opt/context/tex/texmf-linux-64/bin
resolvers | formats | format path :
/home/max/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex
resolvers | formats | luatex engine : luatex
resolvers | formats | lua startup file :
/opt/context/tex/texmf-context/tex/context/base/mkiv/luat-cod.lua
resolvers | formats | context file :
/opt/context/tex/texmf-context/tex/context/base/mkiv/cont-en.mkiv
resolvers | formats | run time : 0.869 seconds
resolvers | formats | return value : okay
resolvers | formats |
system | total runtime: 0.948 seconds
Also, the format-making command and compiling a test document both with
an exit code of 0:
$ context --luatex --nofile
mtx-context | redirect luametatex -> luatex: luatex --luaonly --socket
"/opt/context/tex/texmf-linux-64/bin/mtxrun.lua" --script mtx-context --luatex
--nofile --redirected
mtx-context | warning: source mismatch (luv:
d8ddafef29a48b9929cb528e68adebac <> bin: 923aa08fc3282b7484978988a87a4c38),
forcing remake
[...]
resolvers | formats | executing runner 'make luatex format':
/opt/context/tex/texmf-linux-64/bin/luatex --ini --socket --shell-escape
--lua=/opt/context/tex/texmf-context/tex/context/base/mkiv/luat-cod.lua
/opt/context/tex/texmf-context/tex/context/base/mkiv/cont-en.mkiv
This is LuaTeX, Version 1.23.3 (TeX Live 2026/dev) (INITEX)
[...]
open source > level 1, order 223, name
'/opt/context/tex/texmf-context/tex/context/base/mkiv/trac-vis.mkiv'
loading > ConTeXt Tracing Macros / Visualization
system > lua > macros expanded in
'/opt/context/tex/texmf-context/tex/context/base/mkiv/trac-vis.lua' (57242 =>
57298 bytes)
system > lua > loading of file
'/opt/context/tex/texmf-context/tex/context/base/mkiv/trac-vis.lua' failed:
no message
resolvers > lua > loading file
'/opt/context/tex/texmf-context/tex/context/base/mkiv/trac-vis.lua' failed
error loading file: trac-vis.lua (aborting)resolvers | formats |
resolvers | formats | binary path :
/opt/context/tex/texmf-linux-64/bin
resolvers | formats | format path :
/home/max/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex
resolvers | formats | luatex engine : luatex
resolvers | formats | lua startup file :
/opt/context/tex/texmf-context/tex/context/base/mkiv/luat-cod.lua
resolvers | formats | context file :
/opt/context/tex/texmf-context/tex/context/base/mkiv/cont-en.mkiv
resolvers | formats | run time : 0.880 seconds
resolvers | formats | return value : okay
resolvers | formats |
resolvers | formats | executing runner 'run luatex format':
/opt/context/tex/texmf-linux-64/bin/luatex --jobname="cont-nop" --socket
--shell-escape
--fmt=/opt/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en.fmt
--lua=/opt/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en.lui
cont-nop.mkiv --c:currentrun=1 --c:engine="luatex"
--c:fulljobname="cont-nop.mkiv" --c:input="cont-nop.mkiv" --c:kindofrun=1
--c:luatex --c:maxnofruns=9 --c:nofile --c:redirected
--c:texmfbinpath="/opt/context/tex/texmf-linux-64/bin"
This is LuaTeX, Version 1.23.3 (TeX Live 2026/dev)
system commands enabled.
open source > level 1, order 1, name
'/opt/context/tex/texmf-context/tex/context/base/mkiv/cont-nop.mkiv'
system >
system > ConTeXt ver: 2025.08.13 16:34 MKIV fmt: 2025.8.15 int:
english/english
system >
system > 'cont-new.mkiv' loaded
open source > level 2, order 2, name
'/opt/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv'
Fatal Error > Your format does not match the base files!
Format Version > 2025.08.13 16:34 MKIV
Files Version > 2025.08.17 17:57
[...]
mkiv lua stats > lua properties: engine: lua 5.3, used memory: 52 MB, ctx:
52 MB, max: unknown MB, hash chars: min(64,40), symbol mask: utf (τεχ)
mkiv lua stats > runtime: 0.000 seconds
system | total runtime: 1.955 seconds
$ echo $?
0
which makes it tricky to detect this automatically.
Thanks,
-- Max
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