I am using the current SmartThings app on a version 3 Samsung ST hub. On the app, the hub device has an information page with firmware version, and also shown is a “Controller version” (image attached). The controller version looks like it is independent of the firmware version. I noticed my controller version changed from 2.2.11-4 to 2.2.13-9 sometime between Dec 6, 2021 and Dec 24, 2021, while the firmware version stayed the same.
Can someone please shed some light on what the “controller” is? In particular, is it a software component that runs on the hub?