This new firmware release includes a variety of feature enhancements and bug fixes, highlights of which include:

OPTEX Ricochet enabled wireless device support
Support has been added to allow upcoming OPTEX Ricochet enabled wireless transmitters, designed for OPTEX battery powered external intrusion sensors, to correctly report device status messages*

Optional high security Premier Elite Mobile App encryption
Premier Elite mobile app communications now have the option of 128 bit AES encryption for situations requiring higher communication security

Read more at: http://www.texe.com/int2/news/#premier-elite-v301-firmware-released-for-all-premier-elite-control-panels