diff --git a/src/corelib/compat/removed_api.cpp b/src/corelib/compat/removed_api.cpp
index 4cc0bffe208..d670bad4074 100644
--- a/src/corelib/compat/removed_api.cpp
+++ b/src/corelib/compat/removed_api.cpp
@@ -75,6 +75,11 @@ int QStaticByteArrayMatcherBase::indexOfIn(const char *h, uint hl, const char *n
 
 # endif // QT_POINTER_SIZE != 4
 
+qsizetype QByteArrayMatcher::indexIn(const QByteArray &ba, qsizetype from) const
+{
+    return indexIn(QByteArrayView{ba}, from); // ba.isNull() may be significant, so don't ignore it!
+}
+
 #include "tools/qcryptographichash.h"
 
 void QCryptographicHash::addData(const QByteArray &data)
diff --git a/src/corelib/text/qbytearraymatcher.cpp b/src/corelib/text/qbytearraymatcher.cpp
index ee4d8d265be..0d96355df2d 100644
--- a/src/corelib/text/qbytearraymatcher.cpp
+++ b/src/corelib/text/qbytearraymatcher.cpp
@@ -205,21 +205,6 @@ void QByteArrayMatcher::setPattern(const QByteArray &pattern)
     bm_init_skiptable(p.p, p.l, p.q_skiptable);
 }
 
-/*!
-    Searches the byte array \a ba, from byte position \a from (default
-    0, i.e. from the first byte), for the byte array pattern() that
-    was set in the constructor or in the most recent call to
-    setPattern(). Returns the position where the pattern() matched in
-    \a ba, or -1 if no match was found.
-*/
-qsizetype QByteArrayMatcher::indexIn(const QByteArray &ba, qsizetype from) const
-{
-    if (from < 0)
-        from = 0;
-    return bm_find(reinterpret_cast<const uchar *>(ba.constData()), ba.size(), from,
-                   p.p, p.l, p.q_skiptable);
-}
-
 /*!
     Searches the char string \a str, which has length \a len, from
     byte position \a from (default 0, i.e. from the first byte), for
@@ -246,6 +231,13 @@ qsizetype QByteArrayMatcher::indexIn(const char *str, qsizetype len, qsizetype f
     setPattern(). Returns the position where the pattern() matched in
     \a data, or -1 if no match was found.
 */
+qsizetype QByteArrayMatcher::indexIn(QByteArrayView data, qsizetype from) const
+{
+    if (from < 0)
+        from = 0;
+    return bm_find(reinterpret_cast<const uchar *>(data.data()), data.size(), from,
+                   p.p, p.l, p.q_skiptable);
+}
 
 /*!
     \fn QByteArray QByteArrayMatcher::pattern() const
diff --git a/src/corelib/text/qbytearraymatcher.h b/src/corelib/text/qbytearraymatcher.h
index 80473c75852..7aa6226b243 100644
--- a/src/corelib/text/qbytearraymatcher.h
+++ b/src/corelib/text/qbytearraymatcher.h
@@ -65,12 +65,15 @@ public:
 
     void setPattern(const QByteArray &pattern);
 
+#if QT_REMOVED_SINCE(6, 3)
     qsizetype indexIn(const QByteArray &ba, qsizetype from = 0) const;
+#else
+    Q_WEAK_OVERLOAD
+    qsizetype indexIn(const QByteArray &ba, qsizetype from = 0) const
+    { return indexIn(QByteArrayView{ba}, from); }
+#endif
     qsizetype indexIn(const char *str, qsizetype len, qsizetype from = 0) const;
-    qsizetype indexIn(QByteArrayView data, qsizetype from = 0) const
-    {
-        return indexIn(data.data(), data.size(), from);
-    }
+    qsizetype indexIn(QByteArrayView data, qsizetype from = 0) const;
     inline QByteArray pattern() const
     {
         if (q_pattern.isNull())
@@ -162,10 +165,13 @@ public:
             m_pattern[i] = patternToMatch[i];
     }
 
+    Q_WEAK_OVERLOAD
     qsizetype indexIn(const QByteArray &haystack, qsizetype from = 0) const noexcept
     { return this->indexOfIn(m_pattern, N - 1, haystack.data(), haystack.size(), from); }
     qsizetype indexIn(const char *haystack, qsizetype hlen, qsizetype from = 0) const noexcept
     { return this->indexOfIn(m_pattern, N - 1, haystack, hlen, from); }
+    qsizetype indexIn(QByteArrayView haystack, qsizetype from = 0) const noexcept
+    { return this->indexOfIn(m_pattern, N - 1, haystack.data(), haystack.size(), from); }
 
     QByteArray pattern() const { return QByteArray(m_pattern, qsizetype(N - 1)); }
 };
diff --git a/tests/auto/corelib/text/qbytearraymatcher/tst_qbytearraymatcher.cpp b/tests/auto/corelib/text/qbytearraymatcher/tst_qbytearraymatcher.cpp
index aa2b928e95e..859854dfbc7 100644
--- a/tests/auto/corelib/text/qbytearraymatcher/tst_qbytearraymatcher.cpp
+++ b/tests/auto/corelib/text/qbytearraymatcher/tst_qbytearraymatcher.cpp
@@ -48,12 +48,46 @@ class tst_QByteArrayMatcher : public QObject
     Q_OBJECT
 
 private slots:
+    void overloads();
     void interface();
     void indexIn();
     void staticByteArrayMatcher();
     void haystacksWithMoreThan4GiBWork();
 };
 
+void tst_QByteArrayMatcher::overloads()
+{
+    QByteArray hello = QByteArrayLiteral("hello");
+    QByteArray hello2 = hello.repeated(2);
+    {
+        QByteArrayMatcher m("hello");
+        QCOMPARE(m.pattern(), "hello");
+        QCOMPARE(m.indexIn("hello"), 0);
+    }
+    {
+        QByteArrayMatcher m("hello", qsizetype(3));
+        QCOMPARE(m.pattern(), "hel");
+        QCOMPARE(m.indexIn("hellohello", qsizetype(2)), -1); // haystack is "he", not: from is 2
+        QCOMPARE(m.indexIn("hellohello", qsizetype(3)), 0); // haystack is "hel", not: from is 3
+    }
+    {
+        QByteArrayMatcher m(hello);
+        QCOMPARE(m.pattern(), "hello");
+        QCOMPARE(m.indexIn(hello), 0);
+        QCOMPARE(m.indexIn(hello2, qsizetype(1)), hello.size());
+    }
+    {
+        QStaticByteArrayMatcher m("hel");
+        QCOMPARE(m.pattern(), "hel");
+        QCOMPARE(m.indexIn("hello"), qsizetype(0));
+        QCOMPARE(m.indexIn("hellohello", qsizetype(2)), -1); // haystack is "he", not: from is 2
+        QCOMPARE(m.indexIn("hellohello", qsizetype(3)), 0); // haystack is "hel", not: from is 3
+        QCOMPARE(m.indexIn(hello), 0);
+        QCOMPARE(m.indexIn(hello2, qsizetype(2)), hello.size()); // from is 2
+        QCOMPARE(m.indexIn(hello2, qsizetype(3)), hello.size()); // from is 3
+    }
+}
+
 void tst_QByteArrayMatcher::interface()
 {
     const char needle[] = "abc123";