Dear list, The math kerning seems to be broken in recent versions of LuaTeX. When I process the MWE below with TeX Live 2017 (LuaTeX 1.0.4) I get a different result from the latest beta (LuaTeX 1.07.0). However, I could only observe this behaviour with some fonts, e.g. stixtwo or lucidaot. No difference was encountered for modern and xits.
Cheers, Henri --- \setupbodyfont[stixtwo] % or lucidaot \startTEXpage $V_A$ \stopTEXpage
104.pdf
Description: Adobe PDF document
1070.pdf
Description: Adobe PDF document
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