OS X 10.12.3 / iTunes 12.5.5.5
I have been using the new combination of OS X 10.12.3 and iTunes
12.5.5.5 for a full day now, and have not noticed any particular
problems, although I should mention that I have not conducted an
in-depth evaluation. So far, everything seems to be working just fine, and BitPerfect users who which to apply this update should be able
to proceed with a degree of confidence.