I posted this issue over at the Schreikasten support thread, but will post here as well.
I'm using the shoutbox Schreikasten on my site. Once I install W3TC, it breaks Schreikasten to where new posts will not show up. As soon as I disable W3TC, the plugin/widget works flawlessly as expected.
Is there a way to get this to work again with W3TC? I can't seem to find any good shoutbox widgets out there anymore, and even Schreikasten hasn't been updated in a year.