@jackie_w, funny you should mention "non-improved" fonts. Looking into the 4.17 release archive I noticed that the sizes of the fonts I've been "improving" have shot up, so I thought maybe Kobo has added those glyphs themselves — and they did, so no need to improve those anymore! So I renamed my fonts directory to hide all added and "improved" fonts, powered off/powered on and it still worked as desired. I'll test tonight with Bookerly/Literata and report back. Might even track down a non-monospace sans-serif font just in case
