I believe that in the updater script the version is set to 4.4.21 when it should be set to 4.4.20.1 which is why we are still seeing there is an update available. When I log into my events calendar account check the downloads area, under pro it says the current version is 4.4.21 but when I download it and look at the events-calendar.php file, it says the version is 4.4.20.1.
So, one of these is incorrect and needs to be fixed so that it doesn’t show an update is available when it isn’t.
Please get this fixed.
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PLEASE LEAVE FOR SUPPORT
Reporting the same issue as: https://theeventscalendar.com/support/forums/topic/events-calendar-pro-update-4-4-21/