When I do latexmk -xelatex mwe.tex I get the GitHub logo in the PDF as expected, but a blank rectangle where the Skype icon should be which suggests to me that the correct glyph isn't being found. I have version 4.4.0 of the Fontawesome font installed.
I'm having trouble using the Skype icon. Here's an MWE that produces the problem
When I do
latexmk -xelatex mwe.tex
I get the GitHub logo in the PDF as expected, but a blank rectangle where the Skype icon should be which suggests to me that the correct glyph isn't being found. I have version 4.4.0 of the Fontawesome font installed.