[luatex] Subscript drop too large

[Henri Menke]

Dear list,

When using a Unicode math font, the subscript drop increases by a lot.
It does not seem to be font dependent, so it's likely an engine issue.
Is there any parameter which I could tweak?

Cheers, Henri

See also https://tex.stackexchange.com/questions/452455

---

\input luaotfload.sty
\font\math="Latin Modern Math" at 10pt
$\hbox{get}_{gst}$
\textfont0=\math
$\hbox{get}_{gst}$
\bye