Using LuaLaTeX and a an OpenType font loaded with fontspec (like, say, Linux Libertine), can the "font expansion" feature of microtype be considered stable and fully functional? And can I feel safe by just loading microtype with the default settings, or is it necessary to make manual adjustments depending on the font in question?

closed as too broad by TeXnician, Bobyandbob, Andrew Swann, Stefan Pinnow, Phelype Oleinik Aug 16 '18 at 13:36

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    As long as you're using version 2.5 or later of microtype, version 0.62 or later of LuaTeX, and create pdf files directly (i.e., without a detour via a dvi file), the user guide of the microtype package says that the expansion feature is fully functional. See section 5.7 (and Table 3) of the user guide for a discussion of font-specific configuration files. The package comes with various such files. If the font you use is sufficiently unique, you may find it necessary to create your own font-specific config file to obtain optimal results. – Mico Feb 3 '15 at 20:44
  • I have read the corresponding section but found it hard to translate into human language; namely, when using fonts that are not on the list (like exactly Linux Libertine), will it be necessary to make such files, or is Libertine so "standard" that I can use the default settings? – Gaussler Feb 3 '15 at 20:57
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    I'd give the Times and Palatino config files a try. I doubt you'll find much difference (at least as far as font expansion is concerned). – Mico Feb 3 '15 at 21:00
  • Or perhaps tex.stackexchange.com/questions/97193/… – Gaussler Feb 3 '15 at 21:03
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    Sorry, but I don't "do" Windows. As a result, I can't provide advice on where the file(s) should be stored. – Mico Feb 3 '15 at 21:18

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