The docimentation is updated at http://ww1.microchip.com/downloads/en/DeviceDoc/40001784C.pdf
This is the change log of Version 1.0.0:
Release for LoRaWAN specification V1.0
• Added support for additional RN2483 commands:
mac set sync
mac get sync
mac set upctr
mac get upctr
mac set dnctr
mac get dnctr
sys set pinmode
sys get pindig
sys get pinana
radio get sync
• Added new parameters to be saved in nonvolatile memory whenever a mac save
command is triggered
LoRaWAN current data rate
LoRaWAN RX2 window parameters (data rate and frequency)
Adaptive Data Rate status
LoRaWAN uplink frame counter
LoRaWAN downlink frame counter
• Changed the default value for the LoRaWAN End-Device Identifier (deveui)
• Changed the valid range for the radio set fdev parameter to [0.. 200000]
• Changed the valid range for the radio set bitrate parameter to [1.. 300000]
• Changed sys sleep command behavior to not influence the GPIO configuration
• Changed the 433 MHz radio frequency band to [433050000 .. 434790000]
• Fixed an issue that may have caused the RN2483 module to mishandle data on
LoRaWAN port 0
• Fixed an issue that may have caused the module to fail joining
• Fixed radio get snr command to display correct value
And the firmware and de update process is here http://forum.thethingsnetwork.org/t/ttn-uno-beta-release-documentation/290/47 (it is a very frustrating process, better to buy a new module)