Obsolete Classes | Qt 6.4

- Qt 6.4
- Obsolete Classes
- Qt 6.4.1 Reference Documentation

# Obsolete Classes

## 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 Obsolete classes are no longer maintained.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.

D
  QDiffuseMapMaterial (Qt3DExtras)
  QDiffuseSpecularMapMaterial (Qt3DExtras)

H
  QHelpSearchQuery

N
  QNormalDiffuseMapAlphaMaterial (Qt3DExtras)
  QNormalDiffuseMapMaterial (Qt3DExtras)
  QNormalDiffuseSpecularMapMaterial (Qt3DExtras)

P
  QPhongAlphaMaterial (Qt3DExtras)
  QPhongMaterial (Qt3DExtras)

## C++ classes that contain one or more members that are deprecated

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 Obsolete members are no longer maintained.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.

A
  QAction
  QAxFactory

B
  QBitmap

C
  QChart
  QColor
  QCryptographicHash

D
  QDBusConnectionInterface
  QDesignerFormWindowManagerInterface
  QDomDocument

E
  QEventPoint

F
  QForwardRenderer (Qt3DExtras)
  QFuture

G
  QGlobalStatic

H
  QHelpEngineCore
  QHelpIndexWidget
  QHelpSearchEngine
  QHelpSearchQueryWidget

J
  QJniEnvironment

K
  QKeyCombination

L
  QLineF
  QList

M
  QMatrix4x4
  QMetaType
  QMultiMap

P
  QPalette

R
  QRenderCapture (Qt3DRender)

S
  QScopedArrayPointer
  QScopedPointer
  QSqlField
  QSqlQuery
  QStringView
  QSurfaceFormat

V
  QVarLengthArray

X
  QXYSeries