Hi Mikael,
I don't see this problem with the latest. Moreover, I think the version of luametatex was pushed to 2.10, so there might be a mis-match in your case. I hope it helps.
I just tried updating again, and it says that I'm up to date, but: $ luametatex --version This is LuaMetaTeX, Version 2.09.62 Execute 'luametatex --credits' for credits and version details. There is NO warranty. Redistribution of this software is covered by the terms of the GNU General Public License, version 2 or (at your option) any later version. For more information about these matters, see the file named COPYING and the LuaMetaTeX source. Functionality : level 20220825 Support : context@ntg.nl Copyright : The Lua(Meta)TeX Team(s) (2005-2022+) The LuaMetaTeX project is related to ConTeXt development. This macro package tightly integrates TeX and MetaPost in close cooperation with Lua. Updates will happen in sync with ConTeXt and when needed. Don't be fooled by unchanged dates: long term stability is the objective. $ context --version mtx-context | ConTeXt Process Management 1.04 mtx-context | mtx-context | main context file: /opt/context/tex/texmf-context/tex/context/base/mkiv/context.mkiv mtx-context | current version: 2022.09.11 20:44 mtx-context | main context file: /opt/context/tex/texmf-context/tex/context/base/mkxl/context.mkxl mtx-context | current version: 2022.09.11 20:44 the engine/format appear to be mismatched. Manually updating the engine with: $ sudo wget http://lmtx.pragma-ade.nl/install-lmtx/tex/texmf-linux-64/bin/luametatex $ luametatex --version This is LuaMetaTeX, Version 2.10.00 Execute 'luametatex --credits' for credits and version details. There is NO warranty. Redistribution of this software is covered by the terms of the GNU General Public License, version 2 or (at your option) any later version. For more information about these matters, see the file named COPYING and the LuaMetaTeX source. Functionality : level 20220918 Support : context@ntg.nl Copyright : The Lua(Meta)TeX Team(s) (2005-2022+) The LuaMetaTeX project is related to ConTeXt development. This macro package tightly integrates TeX and MetaPost in close cooperation with Lua. Updates will happen in sync with ConTeXt and when needed. Don't be fooled by unchanged dates: long term stability is the objective. has solved the issue. I'm not sure why the the engine wasn't updating, but it appears to be fixed now. Thanks, -- Max