This question is an exact duplicate of:
I recently updated some packages for my emacs 24.3 under Windows, and I found strangely that the mode change messages used to be shown in minibuffer is gone, e.g., before update, when i enable or disable any minor mode, there is a message showing up in the minibuffer saying: xxx-mode is disabled. but now, this message is gone, although i can still check if the mode is disabled or enabled in the mode line. But it not as obvious by displaying a message in minibuffer.
anyone knows what can be the cause? thanks