Since around WordPress 4.8.8 I have had the same issue with many sites I maintain for clients.
White Label CMS 2.0.1 was causing WordPress core and plugin update notifications to not show in WP Admin.
– Plugins ‘Update Available’ tab/link is not visible
– Get Version X.X is not showing at bottom right of WP Admin
– Dashboard > Updates shows no available updates
After deactivating White Label CMS 2.0.1, all updates are available.
Version White Label CMS 2.1.1 seems to work as expected, but I was unable to update anything until the previous version was deactivated.
Thread Starter
abepea
(@abepea)
I’ve disabled ‘Notify admin if the number of active lockouts above’ under the Main Setting tab. Would be good if this option was on the Notifications page too or instead.
Thread Starter
abepea
(@abepea)
The emails are now coming in every minute or less now.
Is it possible to completely disable email alerts?