SmartThings version 1.7.3 includes bug fixes and overall performance improvements for enhanced stability. Below is a more comprehensive list of the changes.
Added Z-Wave Join/Leave
Added an option to turn on geofence logging, view and send to support
Fix: Scheduler - Setting up a smartapp to turn on a device at a certain time is causing the app to crash
Fix: Hello Home > Phrase Edit > Things start happening/Things quiet down: 100% crash
Fix: Device Preferences Name Populated As Hint disappears
Fix: Backing out of Location Creation the Location is still created.
Fixes: in Image Carousels
Fix: Geofence delay
Remove geofence delay setting and improve false exit handling