There are some serious bugs in 2014 Mazda 3 Infotainment System, according to users. The stock software of the 2014 Mazda 3 Infotainment System are prone to crashes.
Mazda has issued an update for the Infotainment System. The current version of the OS is 25.00.400 and available through Mazda dealers.
The current version of the Infotainment System seems to fix the crashing issue, but still suffers from slow-down.
Mazda is expected to release new version of the Infotainment System, as demoed at 2014 CES, in the near future.