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. Links to new APIs in previous Qt 6 releases are found at the bottom of this page.
- New Classes
- New Member Functions
- New Functions in Namespaces
- New Macros
- New Enum Types
- New Properties
- New Variables
- New QML Types
- New QML Properties
- New QML Methods
New Classes
New Member Functions
Class QBluetoothDeviceInfo:
| QByteArray | serviceData(const QBluetoothUuid &serviceId) const |
| QMultiHash<QBluetoothUuid, QByteArray> | serviceData() const |
| QList<QBluetoothUuid> | serviceIds() const |
| bool | setServiceData(const QBluetoothUuid &serviceId, const QByteArray &data) |
Class QByteArray:
| bool | isValidUtf8() const |
Class QByteArrayList:
| QByteArray | join(QByteArrayView separator) const |
Class QByteArrayMatcher:
| qsizetype | indexIn(QByteArrayView data, qsizetype from) const |
Class QByteArrayView:
| bool | isValidUtf8() const |
| double | toDouble(bool *ok) const |
| float | toFloat(bool *ok) const |
| int | toInt(bool *ok, int base) const |
| long | toLong(bool *ok, int base) const |
| qlonglong | toLongLong(bool *ok, int base) const |
| short | toShort(bool *ok, int base) const |
| uint | toUInt(bool *ok, int base) const |
| ulong | toULong(bool *ok, int base) const |
| qulonglong | toULongLong(bool *ok, int base) const |
| ushort | toUShort(bool *ok, int base) const |
| QByteArrayView | trimmed() const |
Class QCborArray:
| QCborArray | fromJsonArray(QJsonArray &&array) |
Class QCborMap:
| QCborMap | fromJsonObject(QJsonObject &&obj) |
Class QCollator:
| int | defaultCompare(QStringView s1, QStringView s2) |
| QCollatorSortKey | defaultSortKey(QStringView key) |
Class QCryptographicHash:
| QByteArrayView | resultView() const |
Class QDebug:
| QDebug | operator<<(QDebug debug, const QVarLengthArray<T, P> &array) |
Class QDirIterator:
| QFileInfo | nextFileInfo() |
Class QDir:
| bool | mkdir(const QString &dirName, QFile::Permissions permissions) const |
Class QFile:
| std::filesystem::path | filesystemSymLinkTarget() const |
| std::filesystem::path | filesystemSymLinkTarget(const std::filesystem::path &fileName) |
| bool | open(QIODeviceBase::OpenMode mode, QFileDevice::Permissions permissions) |
Class QLatin1String:
| qsizetype | lastIndexOf(QChar ch, Qt::CaseSensitivity cs) const |
Class QLocale:
| QLocale::Language | codeToLanguage(QStringView languageCode, QLocale::LanguageCodeTypes codeTypes) |
| QString | languageToCode(QLocale::Language language, QLocale::LanguageCodeTypes codeTypes) |
Class QObject:
| QList<T> | findChildren(Qt::FindChildOptions options) const |
Class QProcessEnvironment:
| bool | inheritsFromParent() const |
Class QRegularExpressionMatch:
| bool | hasCaptured(const QString &name) const |
| bool | hasCaptured(QStringView name) const |
| bool | hasCaptured(int nth) const |
Class QSemaphore:
| bool | tryAcquire(int n, std::chrono::duration<Rep, Period> timeout) |
| bool | try_acquire() |
| bool | try_acquire_for(const std::chrono::duration<Rep, Period> &timeout) |
| bool | try_acquire_until(const std::chrono::time_point<Clock, Duration> &tp) |
Class QString:
| qsizetype | lastIndexOf(QChar c, Qt::CaseSensitivity cs) const |
Class QStringView:
| qsizetype | lastIndexOf(QChar c, Qt::CaseSensitivity cs) const |
Class QThreadPool:
| void | startOnReservedThread(QRunnable *runnable) |
| void | startOnReservedThread(std::function<void ()> functionToRun) |
Class QUrl:
| QString | fromAce(const QByteArray &domain, QUrl::AceProcessingOptions options) |
| QByteArray | toAce(const QString &domain, QUrl::AceProcessingOptions options) |
Class QUtf8StringView:
| bool | isValidUtf8() const |
Class QVarLengthArray:
| QVarLengthArray::iterator | emplace(QVarLengthArray::const_iterator pos, Args &&... args) |
| T & | emplace_back(Args &&... args) |
Class QAbstract3DGraph:
| bool | hasSeries(QAbstract3DSeries *series) const |
Class QDoubleValidator:
| virtual void | fixup(QString &input) const override |
Class QFontMetrics:
| QRect | boundingRect(const QString &text, const QTextOption &option) const |
| int | horizontalAdvance(const QString &text, const QTextOption &option) const |
| QRect | tightBoundingRect(const QString &text, const QTextOption &option) const |
Class QFontMetricsF:
| QRectF | boundingRect(const QString &text, const QTextOption &option) const |
| qreal | horizontalAdvance(const QString &text, const QTextOption &option) const |
| QRectF | tightBoundingRect(const QString &text, const QTextOption &option) const |
Class QInputDevice:
| QStringList | seatNames() |
Class QEGLContext:
Class QLocalServer:
| int | listenBacklogSize() const |
| void | setListenBacklogSize(int size) |
Class QNetworkInformation:
| bool | loadDefaultBackend() |
| QNetworkInformation::Features | supportedFeatures() const |
Class QNetworkReply:
| void | requestSent() |
| void | socketStartedConnecting() |
Class QTcpServer:
| int | listenBacklogSize() const |
| void | setListenBacklogSize(int size) |
Class QOpcUaClient:
| QOpcUaHistoryReadResponse * | readHistoryData(const QOpcUaHistoryReadRawRequest &request) |
Class QOpcUaLocalizedText:
| QDebug | operator<<(QDebug debug, const QOpcUaLocalizedText &text) |
Class QOpcUaNode:
| QOpcUaHistoryReadResponse * | readHistoryRaw(const QDateTime &startTime, const QDateTime &endTime, quint32 numValues, bool returnBounds) |
Class QOpcUaQualifiedName:
| QDebug | operator<<(QDebug debug, const QOpcUaQualifiedName &name) |
Class QQuickItem:
| void | dumpItemTree() const |
| void | ensurePolished() |
Class QQuickRenderTarget:
| qreal | devicePixelRatio() const |
| void | setDevicePixelRatio(qreal ratio) |
Class QFontComboBox:
| std::optional<QFont> | displayFont(const QString &fontFamily) const |
| QString | sampleTextForFont(const QString &fontFamily) const |
| QString | sampleTextForSystem(QFontDatabase::WritingSystem writingSystem) const |
| void | setDisplayFont(const QString &fontFamily, const QFont &font) |
| void | setSampleTextForFont(const QString &fontFamily, const QString &sampleText) |
| void | setSampleTextForSystem(QFontDatabase::WritingSystem writingSystem, const QString &sampleText) |
Class QTableWidgetSelectionRange:
| bool | operator!=(const QTableWidgetSelectionRange &lhs, const QTableWidgetSelectionRange &rhs) |
| bool | operator==(const QTableWidgetSelectionRange &lhs, const QTableWidgetSelectionRange &rhs) |
Class QWidget:
| QAction * | addAction(const QString &text) |
| QAction * | addAction(const QIcon &icon, const QString &text) |
| QAction * | addAction(const QString &text, const QObject *receiver, const char *member, Qt::ConnectionType type) |
| QAction * | addAction(const QIcon &icon, const QString &text, const QObject *receiver, const char *member, Qt::ConnectionType type) |
| QAction * | addAction(const QString &text, Args &&... args) |
| QAction * | addAction(const QIcon &icon, const QString &text, Args &&... args) |
| QAction * | addAction(const QString &text, const QKeySequence &shortcut) |
| QAction * | addAction(const QIcon &icon, const QString &text, const QKeySequence &shortcut) |
| QAction * | addAction(const QString &text, const QKeySequence &shortcut, const QObject *receiver, const char *member, Qt::ConnectionType type) |
| QAction * | addAction(const QIcon &icon, const QString &text, const QKeySequence &shortcut, const QObject *receiver, const char *member, Qt::ConnectionType type) |
| QAction * | addAction(const QString &text, const QKeySequence &shortcut, Args &&... args) |
| QAction * | addAction(const QIcon &icon, const QString &text, const QKeySequence &shortcut, Args &&... args) |
New Functions in Namespaces
| void | failOnWarning(const char *message) |
| void | failOnWarning(const QRegularExpression &messagePattern) |
| QFuture<OutputSequence> | whenAll(Futures &&... futures) |
| QFuture<OutputSequence> | whenAll(InputIt first, InputIt last) |
| QFuture<std::variant<std::decay_t<Futures>...> > | whenAny(Futures &&... futures) |
| QFuture<QtFuture::WhenAnyResult<T> > | whenAny(InputIt first, InputIt last) |
New Macros
| QT_TRID_N_NOOP(id) | |
| QVERIFY_THROWS_EXCEPTION(exceptiontype, ...) | |
| QVERIFY_THROWS_NO_EXCEPTION(...) | |
| Q_APPLICATION_STATIC(Type, VariableName, ...) | |
| Q_GADGET_EXPORT(EXPORT_MACRO) |
New Enum Types
| enum class | TransportMedium { Unknown, Ethernet, Cellular, WiFi, Bluetooth } |
| enum | Initialization { InheritFromParent } |
| enum | AceProcessingOption { IgnoreIDNWhitelist, AceTransitionalProcessing } |
New Properties
|
|
New Variables
| MacOSMonterey | |
| Windows10_1809 | |
| Windows10_1903 | |
| Windows10_1909 | |
| Windows10_2004 | |
| Windows10_20H2 | |
| Windows10_21H1 | |
| Windows10_21H2 | |
| Windows11 |
New QML Types
New QML Properties
| autoScaleY | |
| barSeriesMargin | |
| blocking | |
| blocking | |
| instanceCount | |
| instanceCount | |
| lights | |
| maxYValue | |
| minYValue | |
| renderType | |
| rowColors | |
| timeDeviation | |
| wireframeColor |
New QML Methods
| dumpItemTree() | |
| failOnWarning() | |
| hasSeries() | |
| instanceColor() | |
| instanceCustomData() | |
| instancePosition() | |
| instanceRotation() | |
| instanceScale() |
Additions to Other Qt 6 Releases
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