Scheduled posts no longer get posted with W3TC on. They miss their schedule and never get posted. You have to post them manually afterwards.
Basically, I had to stop using W3TC, because scheduling posts is very important for me, as I use it every single day.
I've tried everything (even beta releases) and its 100% the plugin that's at fault.
When is this getting fixed?
[ Duplicate http://wordpress.org/support/topic/plugin-w3-total-cache-scheduled-posts-dont-work-with-w3tc?replies=11 - Closed. Please do not create duplicate topics. ]