With WPS CRM you have the ability to edit all the files located on application/views without editing the core files so in this case, you won’t need to worry the updates except if any huge changes made in the files.
Eq. if you want to edit the dashboard of the admin area.
Go to application/views/admin/dashboard/dashboard.php and copy this file after that rename it to my_dashboard.php. Now the content will be taken from a my_dashboard.php file instead of dashboard.php
You can repeat these steps for most of the files located in application/views/
If you use this feature make sure you re-check your my_ prefixed files after upgrade if you are getting blank pages or any errors, try reverting to the original file to check if my_ file causes the issue.