Hey Nathaniel, 

The release notes are in the owners manual, but admittedly I have not updated it for 2.17.2 yet. here are the notes. 

REV 2.17.2

• 15% heat ramp control added to Liquids, Quickstart, and Meat to prevent ramping of temperature too quickly. 

• Fixed bug for default temperature and pressure under settings not saving properly. 

REV 2.17.1

• Both boards can now auto factory reset when new code is uploaded to the machine. 

• Added 4 phase recipes to Delicates, Fruits and Greens. 

• 15% heat ramp control added to Delicates, Fruits, and Greens to prevent ramping of temperature too quickly. 

• On 2B boards, either pressure input works. Allowing for direct connection to pressure sensor or connection through buffer board to the sensor

Brent