New Classes and Functions in Qt 6.1

This page contains a comprehensive list of all new classes and functions introduced in Qt 6.1.

New Classes
New Member Functions
New Functions in Namespaces
New Global Functions
New Enum Types
New Type Aliases
New Properties
New Variables

New Classes

J: QJniEnvironment; QJniObject; QJSManagedValue; QJSPrimitiveNull; QJSPrimitiveUndefined; QJSPrimitiveValue

N: QNetworkInformation

New Member Functions

`(since 6.1)` qsizetype	erase(QByteArray &ba, const T &t)
`(since 6.1)` QByteArray::iterator	erase(QByteArray::const_iterator first, QByteArray::const_iterator last)
`(since 6.1)` qsizetype	erase_if(QByteArray &ba, Predicate pred)
`(since 6.1)` QByteArray &	removeIf(Predicate pred)

Class QColorSpace:

`(since 6.1)` void	setTransferFunction(const QList<uint16_t> &transferFunctionTable)
`(since 6.1)` void	setTransferFunctions(const QList<uint16_t> &redTransferFunctionTable, const QList<uint16_t> &greenTransferFunctionTable, const QList<uint16_t> &blueTransferFunctionTable)
`(since 6.1)` QColorSpace	withTransferFunction(const QList<uint16_t> &transferFunctionTable) const
`(since 6.1)` QColorSpace	withTransferFunctions(const QList<uint16_t> &redTransferFunctionTable, const QList<uint16_t> &greenTransferFunctionTable, const QList<uint16_t> &blueTransferFunctionTable) const

Class QFuture:

`(since 6.1)` QFuture<T>	onCanceled(QObject *context, Function &&handler)
`(since 6.1)` QFuture<T>	onFailed(QObject *context, Function &&handler)
`(since 6.1)` QFuture<QFuture<T>::ResultType<Function>>	then(QObject *context, Function &&function)

Class QHash:

`(since 6.1)` qsizetype	erase_if(QHash<Key, T> &hash, Predicate pred)
`(since 6.1)` qsizetype	removeIf(Predicate pred)

Class QJSEngine:

(since 6.1) void throwError(const QJSValue &error)

Class QJSPrimitiveValue:

`(since 6.1)` bool	operator!=(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` QJSPrimitiveValue	operator(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs*)
`(since 6.1)` QJSPrimitiveValue	operator+(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` QJSPrimitiveValue	operator-(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` QJSPrimitiveValue	operator/(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` bool	operator<(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` bool	operator<=(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` bool	operator==(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` bool	operator>(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` bool	operator>=(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)

Class QLabel:

`(since 6.1)` QTextDocument::ResourceProvider	resourceProvider() const
`(since 6.1)` void	setResourceProvider(const QTextDocument::ResourceProvider &provider)

Class QLayout:

(since 6.1) void unsetContentsMargins()

Class QList:

`(since 6.1)` qsizetype	erase(QList<T> &list, const AT &t)
`(since 6.1)` qsizetype	erase_if(QList<T> &list, Predicate pred)
`(since 6.1)` qsizetype	removeIf(Predicate pred)

Class QLocale:

`(since 6.1)` QLocale::Script	codeToScript(QStringView scriptCode)
`(since 6.1)` QString	scriptToCode(QLocale::Script script)

Class QMap:

`(since 6.1)` qsizetype	erase_if(QMap<Key, T> &map, Predicate pred)
`(since 6.1)` QMap<Key, T>::size_type	removeIf(Predicate pred)

Class QMetaType:

(since 6.1) bool hasRegisteredDataStreamOperators() const

Class QMultiHash:

`(since 6.1)` qsizetype	erase_if(QMultiHash<Key, T> &hash, Predicate pred)
`(since 6.1)` qsizetype	removeIf(Predicate pred)

Class QMultiMap:

`(since 6.1)` qsizetype	erase_if(QMultiMap<Key, T> &map, Predicate pred)
`(since 6.1)` QMultiMap<Key, T>::size_type	removeIf(Predicate pred)

Class QSGOpenGLTexture:

(since 6.1) QSGTexture * fromNativeExternalOES(GLuint textureId, QQuickWindow *window, const QSize &size, QQuickWindow::CreateTextureOptions options)

Class QNetworkCookie:

`(since 6.1)` QNetworkCookie::SameSite	sameSitePolicy() const
`(since 6.1)` void	setSameSitePolicy(QNetworkCookie::SameSite sameSite)

Class QOperatingSystemVersion:

(since 6.1) QVersionNumber version() const

Class QQmlPropertyMap:

`(since 6.1)` void	freeze()
`(since 6.1)` void	insert(const QVariantHash &values)

Class QQuickGraphicsConfiguration:

(since 6.1) QByteArrayList preferredInstanceExtensions()

Class QSet:

`(since 6.1)` qsizetype	erase_if(QSet<T> &set, Predicate pred)
`(since 6.1)` QSet<T>::iterator	insert(QSet<T>::const_iterator it, const T &value)
`(since 6.1)` qsizetype	removeIf(Pred pred)

Class QSocketNotifier:

`(since 6.1)` bool	isValid() const
`(since 6.1)` void	setSocket(qintptr socket)

Class QSslSocket:

`(since 6.1)` QString	activeBackend()
`(since 6.1)` QList<QString>	availableBackends()
`(since 6.1)` QList<QSsl::ImplementedClass>	implementedClasses(const QString &backendName)
`(since 6.1)` bool	isClassImplemented(QSsl::ImplementedClass cl, const QString &backendName)
`(since 6.1)` bool	isFeatureSupported(QSsl::SupportedFeature ft, const QString &backendName)
`(since 6.1)` bool	isProtocolSupported(QSsl::SslProtocol protocol, const QString &backendName)
`(since 6.1)` bool	setActiveBackend(const QString &backendName)
`(since 6.1)` QList<QSsl::SupportedFeature>	supportedFeatures(const QString &backendName)
`(since 6.1)` QList<QSsl::SslProtocol>	supportedProtocols(const QString &backendName)

Class QString:

`(since 6.1)` QString::iterator	erase(QString::const_iterator first, QString::const_iterator last)
`(since 6.1)` qsizetype	erase(QString &s, const T &t)
`(since 6.1)` qsizetype	erase_if(QString &s, Predicate pred)
`(since 6.1)` QString	fromUtf8(const char8_t *str)
`(since 6.1)` QString &	removeIf(Predicate pred)

Class QStringView:

`(since 6.1)` QStringView::const_iterator	constBegin() const
`(since 6.1)` QStringView::const_iterator	constEnd() const
`(since 6.1)` bool	contains(const QRegularExpression &re, QRegularExpressionMatch *rmatch) const
`(since 6.1)` qsizetype	count(const QRegularExpression &re) const
`(since 6.1)` qsizetype	indexOf(const QRegularExpression &re, qsizetype from, QRegularExpressionMatch *rmatch) const
`(since 6.1)` qsizetype	lastIndexOf(const QRegularExpression &re, qsizetype from, QRegularExpressionMatch *rmatch) const

Class QStyle:

(since 6.1) QString name() const

Class QTextDocument:

`(since 6.1)` QTextDocument::ResourceProvider	defaultResourceProvider()
`(since 6.1)` QTextDocument::ResourceProvider	resourceProvider() const
`(since 6.1)` void	setDefaultResourceProvider(const QTextDocument::ResourceProvider &provider)
`(since 6.1)` void	setResourceProvider(const QTextDocument::ResourceProvider &provider)

Class QUntypedBindable:

`(since 6.1)` bool	isReadOnly() const
`(since 6.1)` QUntypedPropertyBinding	takeBinding()

Class QVarLengthArray:

`(since 6.1)` qsizetype	erase(QVarLengthArray<T, Prealloc> &array, const AT &t)
`(since 6.1)` qsizetype	erase_if(QVarLengthArray<T, Prealloc> &array, Predicate pred)
`(since 6.1)` qsizetype	removeAll(const AT &t)
`(since 6.1)` qsizetype	removeIf(Predicate pred)
`(since 6.1)` bool	removeOne(const AT &t)

New Functions in Namespaces

`(since 6.1)` QFuture<T>	makeExceptionalFuture(std::exception_ptr exception)
`(since 6.1)` QFuture<T>	makeExceptionalFuture(const QException &exception)

New Global Functions

`(since 6.1)` typename std::enable_if_t<std::is_unsigned_v<T> \|\| std::is_signed_v<T>, bool>	qAddOverflow(T v1, T v2, T *result)
`(since 6.1)` auto	qHypot(Tx x, Ty y, Tz z)
`(since 6.1)` auto	qHypot(Tx x, Ty y)
`(since 6.1)` auto	qHypot(F first, Fs... rest)
`(since 6.1)` typename std::enable_if_t<std::is_unsigned_v<T> \|\| std::is_signed_v<T>, bool>	qMulOverflow(T v1, T v2, T *result)
`(since 6.1)` typename std::enable_if_t<std::is_unsigned_v<T> \|\| std::is_signed_v<T>, bool>	qSubOverflow(T v1, T v2, T *result)

New Enum Types

`(since 6.1)` enum class	SameSite { Default, None, Lax, Strict }
`(since 6.1)` enum class	ImplementedClass { Key, Certificate, Socket, DiffieHellman, EllipticCurve, …, DtlsCookie }
`(since 6.1)` enum class	SupportedFeature { CertificateVerification, ClientSideAlpn, ServerSideAlpn, Ocsp, Psk, …, Alerts }

New Type Aliases

(since 6.1) ResourceProvider

New Properties

(since 6.1) sortIndicatorClearable : const

New Variables

`(since 6.1)`	Android10
`(since 6.1)`	Android11
`(since 6.1)`	AndroidOreo_MR1
`(since 6.1)`	AndroidPie