The following are the OS-kernel features introduced in QNX Neutrino RTOS 6.3.0:

• Performance
  • In-Processor Performance Counters
  • Malloc optimizations (up to 5x faster)
• Extended memory support for x86, PowerPC, MIPS
• C99 standards conformance
• Additional processor support
  • PowerPC Book E family (IBM 440; Freescale 8540, 8560)