- Qt 5.15
- New Classes and Functions in Qt 5.3
- Qt 5.15.2 Reference Documentation

# New Classes and Functions in Qt 5.3

This page contains a comprehensive list of all new classes and functions introduced in Qt 5.3. Links to new APIs in previous Qt 5 releases are found at the bottom of this page.

- New Namespaces
- New QML Types

### New Namespaces

namespace | QWebSocketProtocol

### New QML Types

C
  CoordinateAnimation

W
  WebSocket
  WebSocketServer

## Additions to Other Qt 5 Releases

- What's New in Qt 5.6
- What's New in Qt 5.5
- What's New in Qt 5.4
- What's New in Qt 5.2
- What's New in Qt 5.1
- What's New in Qt 5.0