The Xfce developers are busy[porting][3]Xfce applications and components to GTK3, and in the process, they are also adding new features.
**"Do not disturb"**, a much requested feature, landed in_xfce4-notifyd_0.3.4 (the Xfce notification daemon)[recently][4]. Using this, you can suppress notification bubbles for a limited time-frame.
Furthermore,**the latest_xfce4-notifyd_includes an option to enable or disable notifications on a per-application basis**.
After an application sends a notification, the app is added to a list in the notification settings. From here, you can control which applications can show notifications.
Both the "Do not disturb" mode and the application-specific notification settings can be found in_Settings > Notifications_:
Right now there's no way of accessing notifications missed due to the "Do not disturb" mode being enabled. However,**a notification logging /persistencefeature is expected in a future release.**
And finally, yet**another feature**in_xfce4-notifyd_0.3.4 is an**option display notifications on the primary monitor**(until now, notifications were displayed on the active monitor).This option is not available in the GUI for now, and it must be enabled using Xfconf (Settings Editor), by adding a Boolean property, called "/primary-monitor" (without the quotes), to_xfce4-notifyd_and set it to "True":