I'm not sure I understand how this could happen - it certainly can't be a bug since, I dunno, installing and running the software would show this behavior, and Apple must have some kind of rudimentary QA in place for one of their flagship products.
Maybe I'm not understanding Apple's attention to detail and design concept (as usual) in this case.
In order to take into account various computer configurations, e.g. the use of 3rd party fonts, they should conduct external beta tests before releasing it to the general public.
Maybe I'm not understanding Apple's attention to detail and design concept (as usual) in this case.