diff --git a/src/corelib/text/qstring.cpp b/src/corelib/text/qstring.cpp
index a690aac9360..5a340530a93 100644
--- a/src/corelib/text/qstring.cpp
+++ b/src/corelib/text/qstring.cpp
@@ -2190,6 +2190,16 @@ inline char qToLower(char ch)
     \sa fromLatin1(), fromLocal8Bit(), fromUtf8()
 */
 
+/*! \fn QString::QString(const char8_t *str)
+
+    Constructs a string initialized with the UTF-8 string \a str. The
+    given const char8_t pointer is converted to Unicode using the
+    fromUtf8() function.
+
+    \since 6.1
+    \sa fromLatin1(), fromLocal8Bit(), fromUtf8()
+*/
+
 /*! \fn QString QString::fromStdString(const std::string &str)
 
     Returns a copy of the \a str string. The given string is converted
@@ -5324,6 +5334,14 @@ QString QString::fromLocal8Bit(QByteArrayView ba)
     \sa toUtf8(), fromLatin1(), fromLocal8Bit()
 */
 
+/*!
+    \fn QString QString::fromUtf8(const char8_t *str)
+    \overload
+    \since 6.1
+
+    This overload is only available when compiling in C++20 mode.
+*/
+
 /*!
     \fn QString QString::fromUtf8(const char8_t *str, qsizetype size)
     \overload
diff --git a/src/corelib/text/qstring.h b/src/corelib/text/qstring.h
index c6d97c9d513..5e215625c6b 100644
--- a/src/corelib/text/qstring.h
+++ b/src/corelib/text/qstring.h
@@ -386,6 +386,12 @@ public:
     QString(QChar c);
     QString(qsizetype size, QChar c);
     inline QString(QLatin1String latin1);
+#if defined(__cpp_char8_t) || defined(Q_CLANG_QDOC)
+    Q_WEAK_OVERLOAD
+    inline QString(const char8_t *str)
+        : QString(fromUtf8(str))
+    {}
+#endif
     inline QString(const QString &) noexcept;
     inline ~QString();
     QString &operator=(QChar c);
@@ -746,6 +752,9 @@ public:
         return fromUtf8(QByteArrayView(utf8, !utf8 || size < 0 ? qstrlen(utf8) : size));
     }
 #if defined(__cpp_char8_t) || defined(Q_CLANG_QDOC)
+    Q_WEAK_OVERLOAD
+    static inline QString fromUtf8(const char8_t *str)
+    { return fromUtf8(reinterpret_cast<const char *>(str)); }
     Q_WEAK_OVERLOAD
     static inline QString fromUtf8(const char8_t *str, qsizetype size)
     { return fromUtf8(reinterpret_cast<const char *>(str), size); }