I have latest version of (WP & BP & BP-Social theme).
After update one plugin is not compatible with Ultimate Facebook plugin. All Plugins on my site are WPMUDEV except one. This one has problems. This plugin make simple posts with click on submit button. Now it shows 2 posts at once, instead of one. When I deactivate Ultimate Facebook plugin it works normally again.
Now the interesting part!
I also have demo page without any data just to check compatibility of plugins. On demo page both plugins work normally.
PS: I also have challenges with 2 other plugins (membership, log out redirection). After update they do not work properly on my active site, but they do however work on my demo page.
Is it possible that is something with my database? On my active page I have tried so many plugins and then delete them. On my demo page i don't do that so often however.