For the dedicated Mac users still using the Newton MessagePad as their primary digital personal assistant, a major bug has been reported. According to a report on the issue from 40Hz, "the NewtonOS has a bug in handling years past 18:48:31 on January 5, 2010. The bug is located in the NewtonScript interface of certain time functions, and it is caused by an overflow of a NewtonScript integer value. This bug seems to only occur in NewtonOS 2.1 devices."