I’m not sure how many people this will affect, but based on previous questions in the forum, there will be some.
If you use Google voice assistant with IFTTT, Google is changing the way that integration works and you will have to rebuild those applets in Ifttt.
It sounds like this is because of a Google platform change, so I don’t know if there will also be changes to the direct Google/smartthings integration or not. If somebody knows on that one, please post.
But if you do use Google to get to Ifttt, there are changes ahead. Here’s a good article with a lot of details.