The QtCreator 1.3 release contains bug fixes and new features.

Below is a list of relevant changes. You can find a complete list of changes
within the logs of QtCreator's sources. Simply check it out from the public git
repository e.g.,

git clone git://gitorious.org/qt-creator/qt-creator.git
git log --pretty=oneline v1.2.0..master

This release introduces source and binary incompatible changes to the plugin
API, so if you have created your own custom plugins, they will need to be
adapted accordingly.

General:
   * Added the option to automatically reload files when externally modified,
     or to ignore external modifications (contributed by Henrik Abelsson)

Editing:
   * Added support for text editor color schemes
   * Added highlighting of uses of the symbol under the cursor
   * Added the option to turn off marking of text changes

Project support:
   * Added support for adding and removing files from a generic Makefile-based
     project (contributed by Kevin Michel)

...