The QtCreator 2.1 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 Qt Creator sources. Simply check it out from the public git
repository. For example:

git clone git://gitorious.org/qt-creator/qt-creator.git
git log --cherry-pick --pretty=oneline v2.0.0...v2.0.1

General
   *
   *

Editing

C++ Support
   * Add new %FILENAME%, %CLASS% placeholders to license template

Project Support
   * Add option for adding subprojects to projects in the New wizard
   * Add context-menu command for removing subprojects in the Edit mode,
     Projects view
   * Add a wizard for adding other than Qt libraries to project files   

Debugging
   * Fix console debugging with MinGW/gdb
   * Symbian: Add basic thread support, improve logging

Help

QML/JS Support

Platform Specific

Mac

Linux (GNOME and KDE)

Windows

Symbian Target

Maemo Target

Designer
   * Add switching between code and forms using Shift-F4
   * Various improvements to mode switching

Version control plugins
   * Support git version 1.7.x
   * Add support for git --amend
   * Make it possible to run gitk from Qt Creator
   * Improve commit window, show number of files to be committed, add context
     menu for quickly checking and unchecking all files
   * Add branch selector to the git checkout wizard
   * Add support for the CVS 'edit' functionality, make Qt Creator prompt to
     request a read-only file using 'cvs edit' (cvsnt only).
   * Perforce: Add setting to automatically open read-only files

Wizards
   * Custom wizard: Enhance template processing of wizards to be able to include
     sections of files conditionally, extend functionality of combo control
     to be able to handle user-displayable strings and keywords
   * Custom wizard: Add ability to have files generated by scripts

Additional credits go to: