Just a quick note to say that we have done spot testing of our current Mac apps with macOS 10.12 Sierra, and we have seen no new issues so far. We have also had no bug reports from users so far that turned out to be Sierra specific, either. So as far as we can tell, there are no such issues!
Thomas Phinney is CEO of FontLab. Previously he worked at Extensis (web fonts and font management tools) and Adobe (as product manager for global fonts and typography).
Thomas is also a type designer, teacher, writer, and consultant on fonts and typography. He has been consulted by Apple, Adobe, Microsoft, Oxford University Press, a “big three” US auto maker, the US Treasury Department, and PBS “History Detectives,” among others. He teaches type design with Crafting Type and has been a repeat guest lecturer for MA Typeface Design at the University of Reading. Since 2004 he has been a board member of ATypI, the international typography association. His typeface Hypatia Sans is an Adobe Original with over 3000 glyphs per font.