Not the update, rather, as they have been saying for over a year, Samsung has finally turned off the hosting in the smartthings cloud for custom Groovy smart apps. So all of those smartapps no longer work. (Basically, any smartapp that you had to install yourself through the old IDE.)
Here’s the most recent announcement:
And here’s a discussion of some alternatives:
Replace Groovy with Automations—what’s your plan?
There was also some discussion of this specific to ABC upthread: