There's no notifications from PayPal Pro at all within CBSubs > Notifications? Any errors logged within CBSubs > History Log? There's no issues reported for PayPal Pro at this time and appears to still be working in my tests. Ensure your install is completely up to date with latest build releases. Below is the only known issue, but has been fixed.
forge.joomlapolis.com/issues/7687
If no notifications from any gateway are not reaching your site the problem maybe your site blocking them. Could even be a server firewall blocking them.