- Qt 6.10
- Qt Reference Pages
- All C++ Classes
- Obsolete Classes
- Qt 6.10.0 Reference Documentation

Groups Of Related Classes ◦ Inheritance Hierarchy

# Obsolete Classes

## Qt modules that are deprecated

The following Qt modules are now obsolete. They are provided to keep old source code working, but they are no longer maintained, and can be removed in a future major Qt release. We advise against using these modules in new code. Each obsolete module comes with documentation that helps with porting existing code to new and actively maintained alternatives.

Obsolete module | New module | Migration guide
--- | --- | ---
Qt 3D | Qt Quick 3D | Porting Qt 3D to Qt Quick 3D: A Migration Guide
Qt Charts | Qt Graphs | Qt Graphs Migration from Qt Charts
Qt Data Visualization | Qt Graphs | Qt Graphs Migration from Qt DataVisualization

## C++ classes that are deprecated

The following Qt C++ classes are now obsolete. Obsolete classes are no longer maintained. They are provided to keep old source code working, but they can be removed in a future release. We strongly advise against using these classes in new code.

## C++ classes that contain deprecated members

The following Qt C++ classes contain one or more members that are now obsolete. Obsolete members are no longer maintained. They are provided to keep old source code working, but they can be removed in a future release. We strongly advise against using these obsolete members in new code. Click on a class to see its deprecated members.