New Classes and Functions in Qt 6.3
This page contains a comprehensive list of all new classes and functions introduced in Qt 6.3.
- New Classes
- New Member Functions
- New Functions in Namespaces
- New Global Functions
- New Macros
- New Enum Types
- New Enum Values
- New Properties
- New Variables
- New QML Types
- New QML Properties
- New QML Methods
New Classes
New Member Functions
Class QAbstract3DGraph:
(since 6.3) bool | hasSeries(QAbstract3DSeries *series) const |
Class QBluetoothDeviceInfo:
(since 6.3) QByteArray | serviceData(const QBluetoothUuid &serviceId) const |
(since 6.3) QMultiHash<QBluetoothUuid, QByteArray> | serviceData() const |
(since 6.3) QList<QBluetoothUuid> | serviceIds() const |
(since 6.3) bool | setServiceData(const QBluetoothUuid &serviceId, const QByteArray &data) |
Class QByteArray:
(since 6.3) bool | isValidUtf8() const |
Class QByteArrayList:
(since 6.3) QByteArray | join(QByteArrayView separator) const |
Class QByteArrayMatcher:
(since 6.3) qsizetype | indexIn(QByteArrayView data, qsizetype from) const |
Class QByteArrayView:
(since 6.3) bool | isValidUtf8() const |
(since 6.3) double | toDouble(bool *ok) const |
(since 6.3) float | toFloat(bool *ok) const |
(since 6.3) int | toInt(bool *ok, int base) const |
(since 6.3) long | toLong(bool *ok, int base) const |
(since 6.3) qlonglong | toLongLong(bool *ok, int base) const |
(since 6.3) short | toShort(bool *ok, int base) const |
(since 6.3) uint | toUInt(bool *ok, int base) const |
(since 6.3) ulong | toULong(bool *ok, int base) const |
(since 6.3) qulonglong | toULongLong(bool *ok, int base) const |
(since 6.3) ushort | toUShort(bool *ok, int base) const |
(since 6.3) QByteArrayView | trimmed() const |
Class QCborArray:
(since 6.3) QCborArray | fromJsonArray(QJsonArray &&array) |
Class QCborMap:
(since 6.3) QCborMap | fromJsonObject(QJsonObject &&obj) |
Class QCollator:
(since 6.3) int | defaultCompare(QStringView s1, QStringView s2) |
(since 6.3) QCollatorSortKey | defaultSortKey(QStringView key) |
Class QCryptographicHash:
(since 6.3) QByteArrayView | resultView() const |
Class QDir:
(since 6.3) bool | mkdir(const QString &dirName, QFileDevice::Permissions permissions) const |
Class QDirIterator:
(since 6.3) QFileInfo | nextFileInfo() |
Class QDoubleValidator:
(since 6.3) virtual void | fixup(QString &input) const override |
Class QFile:
(since 6.3) std::filesystem::path | filesystemSymLinkTarget() const |
(since 6.3) std::filesystem::path | filesystemSymLinkTarget(const std::filesystem::path &fileName) |
(since 6.3) bool | open(QIODeviceBase::OpenMode mode, QFileDevice::Permissions permissions) |
Class QFontComboBox:
(since 6.3) std::optional<QFont> | displayFont(const QString &fontFamily) const |
(since 6.3) QString | sampleTextForFont(const QString &fontFamily) const |
(since 6.3) QString | sampleTextForSystem(QFontDatabase::WritingSystem writingSystem) const |
(since 6.3) void | setDisplayFont(const QString &fontFamily, const QFont &font) |
(since 6.3) void | setSampleTextForFont(const QString &fontFamily, const QString &sampleText) |
(since 6.3) void | setSampleTextForSystem(QFontDatabase::WritingSystem writingSystem, const QString &sampleText) |
Class QFontMetrics:
(since 6.3) QRect | boundingRect(const QString &text, const QTextOption &option) const |
(since 6.3) int | horizontalAdvance(const QString &text, const QTextOption &option) const |
(since 6.3) QRect | tightBoundingRect(const QString &text, const QTextOption &option) const |
Class QFontMetricsF:
(since 6.3) QRectF | boundingRect(const QString &text, const QTextOption &option) const |
(since 6.3) qreal | horizontalAdvance(const QString &text, const QTextOption &option) const |
(since 6.3) QRectF | tightBoundingRect(const QString &text, const QTextOption &option) const |
Class QInputDevice:
(since 6.3) QStringList | seatNames() |
Class QKeyCombination:
(since 6.3) QDebug | operator<<(QDebug debug, const QVarLengthArray<T, P> &array) |
Class QLatin1StringView:
(since 6.3) qsizetype | lastIndexOf(QChar ch, Qt::CaseSensitivity cs) const |
Class QLocalServer:
(since 6.3) int | listenBacklogSize() const |
(since 6.3) void | setListenBacklogSize(int size) |
Class QLocale:
(since 6.3) QLocale::Language | codeToLanguage(QStringView languageCode, QLocale::LanguageCodeTypes codeTypes) |
(since 6.3) QString | languageToCode(QLocale::Language language, QLocale::LanguageCodeTypes codeTypes) |
Class QEGLContext:
Class QNetworkInformation:
(since 6.3) bool | loadDefaultBackend() |
(since 6.3) QNetworkInformation::Features | supportedFeatures() const |
Class QNetworkReply:
(since 6.3) void | requestSent() |
(since 6.3) void | socketStartedConnecting() |
Class QObject:
(since 6.3) QList<T> | findChildren(Qt::FindChildOptions options) const |
Class QOpcUaClient:
(since 6.3) QOpcUaHistoryReadResponse * | readHistoryData(const QOpcUaHistoryReadRawRequest &request) |
Class QOpcUaLocalizedText:
(since 6.3) QDebug | operator<<(QDebug debug, const QOpcUaLocalizedText &text) |
Class QOpcUaNode:
(since 6.3) QOpcUaHistoryReadResponse * | readHistoryRaw(const QDateTime &startTime, const QDateTime &endTime, quint32 numValues, bool returnBounds) |
Class QOpcUaQualifiedName:
(since 6.3) QDebug | operator<<(QDebug debug, const QOpcUaQualifiedName &name) |
Class QProcessEnvironment:
(since 6.3) bool | inheritsFromParent() const |
Class QQuickItem:
(since 6.3) void | dumpItemTree() const |
(since 6.3) void | ensurePolished() |
Class QQuickRenderTarget:
(since 6.3) qreal | devicePixelRatio() const |
(since 6.3) void | setDevicePixelRatio(qreal ratio) |
Class QRegularExpressionMatch:
(since 6.3) bool | hasCaptured(const QString &name) const |
(since 6.3) bool | hasCaptured(QStringView name) const |
(since 6.3) bool | hasCaptured(int nth) const |
Class QSemaphore:
(since 6.3) bool | tryAcquire(int n, std::chrono::duration<Rep, Period> timeout) |
(since 6.3) bool | try_acquire() |
(since 6.3) bool | try_acquire_for(const std::chrono::duration<Rep, Period> &timeout) |
(since 6.3) bool | try_acquire_until(const std::chrono::time_point<Clock, Duration> &tp) |
Class QString:
(since 6.3) qsizetype | lastIndexOf(QChar ch, Qt::CaseSensitivity cs) const |
Class QStringView:
(since 6.3) qsizetype | lastIndexOf(QChar c, Qt::CaseSensitivity cs) const |
Class QTableWidgetSelectionRange:
(since 6.3) bool | operator!=(const QTableWidgetSelectionRange &lhs, const QTableWidgetSelectionRange &rhs) |
(since 6.3) bool | operator==(const QTableWidgetSelectionRange &lhs, const QTableWidgetSelectionRange &rhs) |
Class QTcpServer:
(since 6.3) int | listenBacklogSize() const |
(since 6.3) void | setListenBacklogSize(int size) |
Class QThreadPool:
(since 6.3) void | startOnReservedThread(QRunnable *runnable) |
(since 6.3) void | startOnReservedThread(Callable &&callableToRun) |
Class QUrl:
(since 6.3) QString | fromAce(const QByteArray &domain, QUrl::AceProcessingOptions options) |
(since 6.3) QByteArray | toAce(const QString &domain, QUrl::AceProcessingOptions options) |
Class QUtf8StringView:
(since 6.3) bool | isValidUtf8() const |
Class QVarLengthArray:
(since 6.3) QVarLengthArray<T, Prealloc>::iterator | emplace(QVarLengthArray<T, Prealloc>::const_iterator pos, Args &&... args) |
(since 6.3) T & | emplace_back(Args &&... args) |
Class QWidget:
(since 6.3) QAction * | addAction(const QString &text) |
(since 6.3) QAction * | addAction(const QIcon &icon, const QString &text) |
(since 6.3) QAction * | addAction(const QString &text, const QObject *receiver, const char *member, Qt::ConnectionType type) |
(since 6.3) QAction * | addAction(const QIcon &icon, const QString &text, const QObject *receiver, const char *member, Qt::ConnectionType type) |
(since 6.3) QAction * | addAction(const QString &text, Args &&... args) |
(since 6.3) QAction * | addAction(const QIcon &icon, const QString &text, Args &&... args) |
(since 6.3) QAction * | addAction(const QString &text, const QKeySequence &shortcut) |
(since 6.3) QAction * | addAction(const QIcon &icon, const QString &text, const QKeySequence &shortcut) |
(since 6.3) QAction * | addAction(const QString &text, const QKeySequence &shortcut, const QObject *receiver, const char *member, Qt::ConnectionType type) |
(since 6.3) QAction * | addAction(const QIcon &icon, const QString &text, const QKeySequence &shortcut, const QObject *receiver, const char *member, Qt::ConnectionType type) |
(since 6.3) QAction * | addAction(const QString &text, const QKeySequence &shortcut, Args &&... args) |
(since 6.3) QAction * | addAction(const QIcon &icon, const QString &text, const QKeySequence &shortcut, Args &&... args) |
New Functions in Namespaces
(since 6.3) void | failOnWarning(const char *message) |
(since 6.3) void | failOnWarning(const QRegularExpression &messagePattern) |
(since 6.3) QFuture<OutputSequence> | whenAll(Futures &&... futures) |
(since 6.3) QFuture<OutputSequence> | whenAll(InputIt first, InputIt last) |
(since 6.3) QFuture<std::variant<std::decay_t<Futures>...>> | whenAny(Futures &&... futures) |
(since 6.3) QFuture<QtFuture::WhenAnyResult<T>> | whenAny(InputIt first, InputIt last) |
New Global Functions
(since 6.3) const char * | qWebEngineChromiumSecurityPatchVersion() |
New Macros
(since 6.3) | QT_TRID_N_NOOP(id) |
(since 6.3) | QVERIFY_THROWS_EXCEPTION(exceptiontype, ...) |
(since 6.3) | QVERIFY_THROWS_NO_EXCEPTION(...) |
(since 6.3) | Q_APPLICATION_STATIC(Type, VariableName, ...) |
(since 6.3) | Q_GADGET_EXPORT(EXPORT_MACRO) |
New Enum Types
(since 6.3) enum class | TransportMedium { Unknown, Ethernet, Cellular, WiFi, Bluetooth } |
(since 6.3) enum | Initialization { InheritFromParent } |
(since 6.3) enum | AceProcessingOption { IgnoreIDNWhitelist, AceTransitionalProcessing } |
New Enum Values
| enum value | Language::Kaingang |
| enum value | Language::Nheengatu |
| enum value | PixelMetric::PM_LineEditIconMargin |
| enum value | Script::Script_CyproMinoan |
| enum value | Script::Script_NagMundari |
| enum value | Script::Script_OldUyghur |
| enum value | Script::Script_Tangsa |
| enum value | Script::Script_Toto |
| enum value | Script::Script_Vithkuqi |
| enum value | StandardPixmap::SP_TabCloseButton |
| enum value | StyleHint::SH_SpinBox_SelectOnStep |
| enum value | UnicodeVersion::Unicode_14_0 |
New Properties
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New Variables
(since 6.3) | MacOSMonterey |
(since 6.3) | Windows10_1809 |
(since 6.3) | Windows10_1903 |
(since 6.3) | Windows10_1909 |
(since 6.3) | Windows10_2004 |
(since 6.3) | Windows10_20H2 |
(since 6.3) | Windows10_21H1 |
(since 6.3) | Windows10_21H2 |
(since 6.3) | Windows11 |
New QML Types
New QML Properties
QML Type Bar3DSeries:
(since 6.3) | rowColors : list<ThemeColor> |
QML Type Bars3D:
(since 6.3) | barSeriesMargin : size |
QML Type FileInstancing:
(since 6.3) | instanceCount : int |
QML Type HeightMapSurfaceDataProxy:
(since 6.3) | autoScaleY : real |
(since 6.3) | maxYValue : real |
(since 6.3) | minYValue : real |
QML Type HoverHandler:
(since 6.3) | blocking : bool |
QML Type InstanceList:
(since 6.3) | instanceCount : int |
QML Type ParticleSystem3DLogging:
(since 6.3) | timeDeviation : real |
QML Type SpriteParticle3D:
QML Type Surface3DSeries:
(since 6.3) | wireframeColor : color |
QML Type TextMetrics:
(since 6.3) | renderType : enumeration |
QML Type WheelHandler:
(since 6.3) | blocking : bool |
New QML Methods
QML Type AbstractGraph3D:
(since 6.3) bool | hasSeries(Abstract3DSeries series) |
QML Type Instancing:
(since 6.3) color | instanceColor(int index) |
(since 6.3) vector3d | instanceCustomData(int index) |
(since 6.3) vector3d | instancePosition(int index) |
(since 6.3) quaternion | instanceRotation(int index) |
(since 6.3) vector3d | instanceScale(int index) |
QML Type Item:
(since 6.3) | dumpItemTree() |
QML Type TestCase:
(since 6.3) | failOnWarning(message) |