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-rw-r--r--src/corelib/tools/qstring.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index a5396bfb69..c73474684b 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -5782,6 +5782,12 @@ QString QString::trimmed_helper(QString &str)
were a QChar &. If you assign to it, the assignment will apply to
the character in the QString from which you got the reference.
+ \note Before Qt 5.14 it was possible to use this operator to access
+ a character at an out-of-bounds position in the string, and
+ then assign to such position, causing the string to be
+ automatically resized. This behavior is deprecated, and will be
+ changed in a future version of Qt.
+
\sa at()
*/