RM-C Release Notes
The latest RM-C firmware can be found HERE.
The Bootloader to get the firmware into your RM-C is found HERE
Attention: You need "customer status" to access these file galleries.
A description of the changes can be found via the links below.
Beware: The Release Notes are not cumulative. If e.g. you go from 1.0.0 to 1.0.2, it may be wise to read the intermediate release notes as well.