Qt Creator version 2.4 contains bug fixes and new features.

The most important changes are listed in this document. For a complete
list of changes, see the Git log for the Qt Creator sources that
you can check out from the public Git repository. For example:

git clone git://gitorious.org/qt-creator/qt-creator.git
git log --cherry-pick --pretty=oneline v2.3.1...origin/2.4

General
   * Showing more useful error dialog in case of plugin errors
   * Reduce minimum size of preferences dialog

Editing
   * Advanced search: Show more information about the search parameters
   * Advanced search: Move the previously modal dialog into search results pane
   * Advanced search: Keep a history of most recent searches and their results
   * Code Style schemas implemented, you can reuse them in different projects now

Managing Projects
   * Shared project settings support

Debugging

Debugging QML/JS

Analyzing Code
   * Standalone qmlprofiler command line tool allows you to retrieve & store QML tracing data

C++ Support
   * Add quick fix to synchronize function declarations and definitions
   * Make 'insert definition from declaration' use minimally qualified names
     and find a good insertion location next to surrounding declarations
   * Fix completion for typedefs for templates in namespaces
   * Use minimally qualified names in function signature completion
   * Use minimally qualified names in 'insert local declaration' quick fix
   * When switching between header/source, prefer files in the same directory
   * Fix problem with encoding and quick fixes (QTCREATORBUG-6140)
   * Fix preservation of indentation level in comments with tabs (QTCREATORBUG-6151)
   * Improve performance for files with a huge number of literals

QML/JS Support
   * Add 'Rename usages' functionality (QTCREATORBUG-3669)
   * Add collection of static analysis messages with Ctrl-Shift-C
   * Add semantic highlighting
   * Significantly improve scanning of C++ documents for qmlRegisterType and
     setContextProperty calls (QTCREATORBUG-3199)
   * Add warning about inappropriate use of constructor functions
   * Add warning about unreachable code
   * Add support for .import directive in js files
   * Add completion for XMLHttpRequest, DB API and JSON.
   * Add 'length' property to functions
   * Use mime types to distinguish qml and js files
   * Show the function argument hint for signals
   * When completing enums, add qualified names instead of strings
   * Honor typeinfo lines in qmldir files
   * Make string literals that contain file names into links (QTCREATORBUG-5701)
   * Add warning about invalid types in 'property' declarations (QTCREATORBUG-3666)
   * Fix highlighting of property types (QTCREATORBUG-6127)
   * Fix 'follow symbol' for local variables (QTCREATORBUG-6094)
   * Fix function argument hints on variables (QTCREATORBUG-5752)
   * Fix completion for enums in a different scope
   * Fix typing '/' triggering a global completion
   * Fix handling of meta object revision in C++ QML plugins
   * Fix indentation of block property initializers
   * Fix indentation of labelled statements
   * Fix scope for completion in code bindings
   * Allow for different builtin type information per Qt version
   * Update builtin type information and parser for Qt 5

Qt Quick Designer
   * Adding breadcrumb navigation for components
   * Adding layout functionality to context menu.

Help

Platform Specific

Mac
   * "Run in Terminal" was not finding xterm by default

Linux (GNOME and KDE)

Windows
   * Aborting the build now works properly. Qt Creator sends Ctrl-C to the
     build process via the process_ctrlc_stub helper program.

Symbian Target

Remote Linux Support

Qt Designer

FakeVim

Version control plugins

Additional credits go to: