Thank you so much Wolfgang, it solved it! I guess this is new as with LMTX from last week(s) it wasn’t required. Le 2 juin 2024 à 14:38 +0200, Wolfgang Schuster , a écrit : > Alex schrieb am 02.06.2024 um 14:08: > > Hi everyone, > > > > I’m facing an error with the latest LMTX with my custom font > > definition: Math error: parameter 'subshiftdown' with id 49 in style 0 > > is not set > > > > \usetypescriptfile[alegreya_libertinus] > > \setupbodyfont[alegreya-light,ss,10pt] > > > > \starttext > > > > Hello > > > > \startformula \Gamma_1 \stopformula > > > > \stoptext > > Add > >     features=math\mathsizesuffix > > to \definefontfamily when you set the math font. By default all font > (including monospace and math) get "features=default". > > Wolfgang >