The developer is aware of the issue and is working on a minor release to fix the issue. This should not affect your site in any way. You can keep an eye out in our changelogs to see when the update is released https://themenectar.com/changelogs/salient.html.
In System Status, we see this:
salient/woocommerce/loop/add-to-cart.php version 3.3.0 is out of date. The core version is 9.0.0,
Hey Kevin,
Thank you for getting back to us.
The developer is aware of the issue and is working on a minor release to fix the issue. This should not affect your site in any way. You can keep an eye out in our changelogs to see when the update is released https://themenectar.com/changelogs/salient.html.
Thanks
ThemeNectar Support Team