This is a very simple plugin that fixes the annoying "%OB" issue with the Upcoming Events widget. It's an issue with all BSD systems and potentially other systems as well. This plugin overrides "%OB" with "%B", which these systems can understand. Easy!
Install instructions:
The Upcoming Events widget should be fixed!
This was developed on 4.2.8. I'll update this plugin if it stops working. Or if the plugin stops working, let me know in a PM. 👍