Nexi Panel allows you to check the version from the dashboard. To check the status of the version you have to follow these steps.
How to check the Nexi Panel Version?
Step 1: Log in to the Nexi Panel dashboard.
Step 2: Click on Version Management
After clicking the version Management, you can see the version of Nexi Panel
If you need to update your version, then follow this Guide to Upgrade Nexi Panel
You can even switch back to the older versions if you want.