New Classes and Functions in Qt 6.8

This page contains a comprehensive list of all new classes and functions introduced in Qt 6.8.

New Classes

New Member Functions

Class QAbstractEventDispatcher:

(since 6.8) void registerTimer(Qt::TimerId timerId, QAbstractEventDispatcher::Duration interval, Qt::TimerType timerType, QObject *object)
(since 6.8) Qt::TimerId registerTimer(QAbstractEventDispatcher::Duration interval, Qt::TimerType timerType, QObject *object)
(since 6.8) QList<QAbstractEventDispatcher::TimerInfoV2> timersForObject(QObject *object) const
(since 6.8) bool unregisterTimer(Qt::TimerId timerId)

Class QByteArray:

(since 6.8) qsizetype max_size()
(since 6.8) void resizeForOverwrite(qsizetype size)
(since 6.8) QByteArray &slice(qsizetype pos, qsizetype n)
(since 6.8) QByteArray &slice(qsizetype pos)

Class QCanBus:

(since 6.8) QList<QCanBusDeviceInfo> availableDevices(QString *errorMessage) const

Class QColorSpace:

(since 6.8) QColorSpace::ColorModel colorModel() const
(since 6.8) bool isValidTarget() const
(since 6.8) void setWhitePoint(const QPointF &whitePoint)
(since 6.8) QColorSpace::TransformModel transformModel() const
(since 6.8) QPointF whitePoint() const

Class QFontDatabase:

(since 6.8) void addApplicationFallbackFontFamily(QChar::Script script, const QString &familyName)
(since 6.8) QStringList applicationFallbackFontFamilies(QChar::Script script)
(since 6.8) bool removeApplicationFallbackFontFamily(QChar::Script script, const QString &familyName)
(since 6.8) void setApplicationFallbackFontFamilies(QChar::Script script, const QStringList &familyNames)

Class QGrpcBidirStream:

(since 6.8) void sendMessage(const QProtobufMessage *message)

Class QGrpcChannelOptions:

(since 6.8) const QGrpcSerializationFormat &serializationFormat() const
(since 6.8) QGrpcChannelOptions &withSerializationFormat(const QGrpcSerializationFormat &format)

Class QGrpcClientStream:

(since 6.8) void sendMessage(const QProtobufMessage *message)

Class QGrpcOperation:

(since 6.8) QAbstractProtobufSerializer::DeserializationError deserializationError() const
(since 6.8) QString deserializationErrorString() const
(since 6.8) bool read(QProtobufMessage *message) const

Class QHash:

(since 6.8) size_t qHash(qint128 key, size_t seed)
(since 6.8) size_t qHash(quint128 key, size_t seed)

Class QHelpContentModel:

(since 6.8) void createContentsForCurrentFilter()

Class QHelpIndexModel:

(since 6.8) void createIndexForCurrentFilter()

Class QHttpHeaders:

(since 6.8) bool replaceOrAppend(QHttpHeaders::WellKnownHeader name, QAnyStringView newValue)

Class QHttpServerResponse:

(since 6.8) QHttpHeaders headers() const
(since 6.8) QHttpServerResponse &withHeaders(QHttpHeaders &&headers)
(since 6.8) QHttpServerResponse &withHeaders(const QHttpHeaders &headers)

Class QImage:

(since 6.8) void applyColorTransform(const QColorTransform &transform, QImage::Format toFormat, Qt::ImageConversionFlags flags)
(since 6.8) QImage colorTransformed(const QColorTransform &transform, QImage::Format toFormat, Qt::ImageConversionFlags flags) const &
(since 6.8) QImage colorTransformed(const QColorTransform &transform, QImage::Format format, Qt::ImageConversionFlags flags) &&
(since 6.8) void convertToColorSpace(const QColorSpace &colorSpace, QImage::Format format, Qt::ImageConversionFlags flags)
(since 6.8) QImage convertedToColorSpace(const QColorSpace &colorSpace, QImage::Format format, Qt::ImageConversionFlags flags) const

Class QList:

(since 6.8) qsizetype max_size()
(since 6.8) void resizeForOverwrite(qsizetype size)

Class QLocalServer:

(since 6.8) void addPendingConnection(QLocalSocket *socket)

Class QMap:

(since 6.8) size_t qHash(const QMap<Key, T> &key, size_t seed)

Class QNetworkAccessManager:

(since 6.8) QNetworkReply *post(const QNetworkRequest &request, std::nullptr_t nptr)
(since 6.8) QNetworkReply *put(const QNetworkRequest &request, std::nullptr_t nptr)

Class QNetworkRequestFactory:

(since 6.8) QVariant attribute(QNetworkRequest::Attribute attribute) const
(since 6.8) QVariant attribute(QNetworkRequest::Attribute attribute, const QVariant &defaultValue) const
(since 6.8) void clearAttribute(QNetworkRequest::Attribute attribute)
(since 6.8) void clearAttributes()
(since 6.8) QNetworkRequest::Priority priority() const
(since 6.8) void setAttribute(QNetworkRequest::Attribute attribute, const QVariant &value)
(since 6.8) void setPriority(QNetworkRequest::Priority priority)

Class QObject:

(since 6.8) void killTimer(Qt::TimerId id)

Class QPdfWriter:

(since 6.8) QPdfWriter::ColorModel colorModel() const
(since 6.8) void setColorModel(QPdfWriter::ColorModel model)

Class QProtobufMessage:

(since 6.8) bool deserialize(QAbstractProtobufSerializer *serializer, QByteArrayView data)
(since 6.8) const QtProtobufPrivate::QProtobufPropertyOrdering *propertyOrdering() const
(since 6.8) QByteArray serialize(QAbstractProtobufSerializer *serializer) const

Class QQuickRenderTarget:

(since 6.8) QRhiTexture *depthTexture() const
(since 6.8) QQuickRenderTarget fromD3D11Texture(void *texture, uint format, const QSize &pixelSize, int sampleCount, QQuickRenderTarget::Flags flags)
(since 6.8) QQuickRenderTarget fromD3D12Texture(void *texture, int resourceState, uint format, uint viewFormat, const QSize &pixelSize, int sampleCount, int arraySize, QQuickRenderTarget::Flags flags)
(since 6.8) QQuickRenderTarget fromMetalTexture(MTLTexture *texture, uint format, uint viewFormat, const QSize &pixelSize, int sampleCount, int arraySize, QQuickRenderTarget::Flags flags)
(since 6.8) QQuickRenderTarget fromOpenGLTexture(uint textureId, uint format, const QSize &pixelSize, int sampleCount, int arraySize, QQuickRenderTarget::Flags flags)
(since 6.8) QQuickRenderTarget fromVulkanImage(VkImage image, VkImageLayout layout, VkFormat format, VkFormat viewFormat, const QSize &pixelSize, int sampleCount, int arraySize, QQuickRenderTarget::Flags flags)
(since 6.8) void setDepthTexture(QRhiTexture *texture)

Class QQuickWebEngineProfile:

(since 6.8) QWebEngineClientHints *clientHints() const

Class QRhiTexture:

(since 6.8) QRhiTexture::ViewFormat readViewFormat() const
(since 6.8) void setReadViewFormat(const QRhiTexture::ViewFormat &fmt)
(since 6.8) void setWriteViewFormat(const QRhiTexture::ViewFormat &fmt)
(since 6.8) QRhiTexture::ViewFormat writeViewFormat() const

Class QRhiTextureRenderTargetDescription:

(since 6.8) QRhiTexture *depthResolveTexture() const
(since 6.8) void setDepthResolveTexture(QRhiTexture *tex)

Class QSGMaterial:

(since 6.8) int viewCount() const

Class QSGMaterialShader:

(since 6.8) void setShaderFileName(QSGMaterialShader::Stage stage, const QString &filename, int viewCount)

Class QString:

(since 6.8) qsizetype max_size()
(since 6.8) void resizeForOverwrite(qsizetype size)
(since 6.8) QString &slice(qsizetype pos, qsizetype n)
(since 6.8) QString &slice(qsizetype pos)

Class QTimer:

(since 6.8) Qt::TimerId id() const

Class QVarLengthArray:

(since 6.8) qsizetype max_size()

Class QVersionNumber:

(since 6.8) QVersionNumber::const_iterator begin() const
(since 6.8) QVersionNumber::const_iterator cbegin() const
(since 6.8) QVersionNumber::const_iterator cend() const
(since 6.8) QVersionNumber::const_iterator constBegin() const
(since 6.8) QVersionNumber::const_iterator constEnd() const
(since 6.8) QVersionNumber::const_reverse_iterator crbegin() const
(since 6.8) QVersionNumber::const_reverse_iterator crend() const
(since 6.8) QVersionNumber::const_iterator end() const
(since 6.8) QVersionNumber::const_reverse_iterator rbegin() const
(since 6.8) QVersionNumber::const_reverse_iterator rend() const

Class QWebEngineProfile:

(since 6.8) QWebEngineClientHints *clientHints() const

New Functions in Namespaces

(since 6.8) void setThrowOnFail(bool enable)
(since 6.8) void setThrowOnSkip(bool enable)
(since 6.8) void wheelEvent(QWindow *window, QPointF pos, QPoint angleDelta, QPoint pixelDelta, Qt::KeyboardModifiers stateKey, Qt::ScrollPhase phase)

New Macros

New Enum Types

(since 6.8) enum class Attribute { Custom, Level }
(since 6.8) enum class ColorModel { Undefined, Rgb, Gray, Cmyk }
(since 6.8) enum class TransformModel { ThreeComponentMatrix, ElementListProcessing }
(since 6.8) enum class ColorModel { RGB, Grayscale, CMYK, Auto }
(since 6.8) enum class Flag { MultisampleResolve }
(since 6.8) enum class TimerId { Invalid }

New Enum Values

New Type Aliases

(since 6.8) const_iterator
(since 6.8) const_pointer
(since 6.8) const_reference
(since 6.8) const_reverse_iterator
(since 6.8) difference_type
(since 6.8) pointer
(since 6.8) reference
(since 6.8) size_type
(since 6.8) value_type

New Properties

New QML Types

New QML Properties

QML Type Drag:

(since 6.8) imageSourceSize : QUrl

QML Type PdfSearchModel:

(since 6.8) count : int

QML Type PrincipledMaterial:

(since 6.8) baseColorChannel : enumeration
(since 6.8) baseColorSingleChannelEnabled : bool
(since 6.8) emissiveChannel : enumeration
(since 6.8) emissiveSingleChannelEnabled : bool
(since 6.8) invertOpacityMapValue : real
(since 6.8) specularChannel : enumeration
(since 6.8) specularSingleChannelEnabled : bool
(since 6.8) vertexColorAlphaMask : enumeration
(since 6.8) vertexColorBlueMask : enumeration
(since 6.8) vertexColorGreenMask : enumeration
(since 6.8) vertexColorRedMask : enumeration
(since 6.8) vertexColorsMaskEnabled : bool

QML Type QQmlGrpcChannelOptions:

(since 6.8) serializationFormat : enumeration

QML Type ShellSurface:

(since 6.8) modal : bool

QML Type SpecularGlossyMaterial:

(since 6.8) albedoChannel : enumeration
(since 6.8) albedoSingleChannelEnabled : bool
(since 6.8) emissiveChannel : enumeration
(since 6.8) emissiveSingleChannelEnabled : bool
(since 6.8) invertOpacityMapValue : real
(since 6.8) specularChannel : enumeration
(since 6.8) specularSingleChannelEnabled : bool
(since 6.8) vertexColorAlphaMask : enumeration
(since 6.8) vertexColorBlueMask : enumeration
(since 6.8) vertexColorGreenMask : enumeration
(since 6.8) vertexColorRedMask : enumeration
(since 6.8) vertexColorsMaskEnabled : bool

QML Type XdgToplevel:

(since 6.8) modal : bool

QML Type pickResult:

(since 6.8) hitType : enumeration
(since 6.8) itemHit : Item

New QML Methods

QML Type View3D:

(since 6.8) PickResult pick(float x, float y, Model model)
(since 6.8) List<PickResult> pickSubset(float x, float y, list<Model> models)

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