Release Notes > 12.1.0.0 > Updates in This Release > Introduction to 12.1.0.0
  
Introduction to 12.1.0.0
This document provides the new feature documentation for Layout Developer and Layout Editor 12.1.0.0. There are several new features in this release which are described in the following chapters.
Features provided in this release are:
The introduction of the Layout Editor application — a new version of our product aimed at manual document building and finishing
Updates to the user interface:
Updates to the yellow bar to aid content editing
Cutting guide configuration from the print dialog
The Insert Markup feature — easily create custom text inserts which can be called from a single command
JavaScript toolbars — an FOM representation of the application’s toolbars to allow easier creation of dynamic custom interfaces
Debugger improvements:
Security additions to control access to ALD via the socket connection and to encrypt communication
Updates to the debugger’s Resources panel to improve usability
Updates to pseudo fonts to extend their usefulness