Dear Harald, > I just noticed an "interesting" bug in TL 2015 with lualatex and fontspec, > running on openSUSE Leap 42.1 (beta) and 13.2: Thank you for reporting, the bug is actually in luaotfload, I've reported it here: https://github.com/lualatex/luaotfload/issues/285 Thank you, -- Elie