I have the same problem and I definitely did try to insert it into another app that doesn't work. All Smart Select does now is to PIN. If I'm doing something wrong please provide an example how to use this new feature or reconsider putting it back it was so much easier.
To First Post. I just went into YouTube and I did find out how to use the new feature for Smart Select. The copy feature is still there. Here's the YouTube link to show you how to do it:
it definitely works.