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

A
QAccessibleAttributesInterface
C
QChronoTimer
D
QDirListing
G
QGrpcSerializationFormat
H
QHelpSearchEngineCore
T
ThrowOnFailDisabler (QTest)
ThrowOnFailEnabler (QTest)
ThrowOnSkipDisabler (QTest)
ThrowOnSkipEnabler (QTest)
V
ViewFormat (QRhiTexture)
W
QWebEngineClientHints

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 QNetworkCacheMetaData:

(since 6.8) QHttpHeaders headers() const
(since 6.8) void setHeaders(const QHttpHeaders &headers)

Class QNetworkReply:

(since 6.8) QHttpHeaders headers() const
(since 6.8) void setHeaders(const QHttpHeaders &newHeaders)
(since 6.8) void setHeaders(QHttpHeaders &&newHeaders)
(since 6.8) void setWellKnownHeader(QHttpHeaders::WellKnownHeader name, const QByteArray &value)

Class QNetworkRequest:

(since 6.8) QHttpHeaders headers() const
(since 6.8) void setHeaders(QHttpHeaders &&newHeaders)
(since 6.8) void setHeaders(const QHttpHeaders &newHeaders)

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 QSqlDatabase:

(since 6.8) QThread *currentThread() const
(since 6.8) bool moveToThread(QThread *targetThread)

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 QThread:

(since 6.8) bool isCurrentThread() const
(since 6.8) bool isMainThread()

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

(since 6.8) QTEST_THROW_ON_FAIL
(since 6.8) QTEST_THROW_ON_SKIP
(since 6.8) QT_ENABLE_STRICT_MODE_UP_TO
(since 6.8) QT_NO_QASCONST
(since 6.8) QT_NO_USE_NODISCARD_FILE_OPEN
(since 6.8) QT_USE_NODISCARD_FILE_OPEN

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 OutOfBoundsPolicy { Reject, Clamp }
(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

enum value Feature::ClipboardReadWrite
enum value Feature::LocalFontsAccess
enum value Format::Format_CMYK8888
enum value InterfaceType::AttributesInterface
enum value StyleStrategy::ContextFontMerging
enum value UnicodeVersion::Unicode_15_1

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

V
VectorImage

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 WebEngineNavigationRequest:

(since 6.8) hasFormData : 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)
(since 6.8) setTouchpoint(Item target, point position, int pointId, bool pressed)

© 2024 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.