The latest release notes are:
RTCU Software: RTCU NX System-Firmware S1.09.00 RTCU NX Runtime-Firmware R2.40.00 New! RTCU LX System-Firmware S1.06.00 RTCU LX Runtime-Firmware R2.40.00 New! NX32L System Extensions RTCU Firmware for NX32/X32 based devices V5.16 / V5.18 Navigation and Messaging Platform V3.00
PC Software:
All software releases, including the latest versions of the RTCU IDE and Firmware, can be downloaded free from the download section. The entire RTCU IDE on-line help is available here.
