Sorry to hear this, @s1nn3r!
I can’t recreate any such issues, so I’m wondering if you can provide the following details:
1. You already posted some system information, but can you use the “Sharing information manually” methods in this article to post a different set of system information to this thread? → https://theeventscalendar.com/knowledgebase/sharing-sys-info/ That information will be very helpful.
2. Can you share a screenshot of the “Time and Date” section of the edit screen for an event on which these problems occur? To clarify, this “Time and Date” section is where the recurrence rules are configured. So if you can find a recurring event that has these issues, share a screenshot of the complete “Time and Date” section to show its complete configuration. Here is an example of what a “Time and Date” screenshot might look like → https://cldup.com/JLJmZjrBFx-3000×3000.png
Thanks!
George