Xfce4-panel 4.12.1 has translation updates, support for xfpanel-switch in the preferences, and just some basic fixes. This comes a few weeks after the quiet bug-fix releases of xfce4-settings 4.12.1 and also joined by the xfconf 4.12.1 release this week.
But while it's close to two years since Xfce 4.12.0 was officially released, there is still no sign of the Xfce 4.14 release and it appears to still be quite a ways out. Xfce 4.14 is still supposed to focus on finishing the porting from GTK2 to GTK3, making use of GDbus, replacing deprecated widgets, and other modernization updates.
The Xfce.org Wiki roadmap still doesn't have any dates firmed up for Xfce 4.14 targets and that page seems to indicate as well that Xfce 4.14 won't be around the corner. But once there is anything new to report on Xfce 4.14, you can certainly expect to read about it on Phoronix with still being fans of this lightweight GTK desktop albeit a pity it's not yet fully living in a modern GTK3 world.