diff --git a/qmake/doc/src/qmake-manual.qdoc b/qmake/doc/src/qmake-manual.qdoc
index fcefe1381b..aba5be61dd 100644
--- a/qmake/doc/src/qmake-manual.qdoc
+++ b/qmake/doc/src/qmake-manual.qdoc
@@ -3053,6 +3053,8 @@
 
     \snippet code/doc_src_qmake-manual.pro 159
 
+    This function was introduced in Qt 5.0.
+
     See also \l{clean_path(path)}{clean_path()},
     \l{relative_path(filePath[, base])}{relative_path()}.
 
@@ -3087,6 +3089,8 @@
     redundant ones removed, and "."s and ".."s resolved (as far as possible).
     This function is a wrapper around QDir::cleanPath.
 
+    This function was introduced in Qt 5.0.
+
     See also \l{absolute_path(path[, base])}{absolute_path()},
     \l{relative_path(filePath[, base])}{relative_path()},
     \l{shell_path(path)}{shell_path()}, \l{system_path(path)}{system_path()}.
@@ -3101,6 +3105,8 @@
 
     Returns a list of all defined variable names.
 
+    This function was introduced in Qt 5.0.
+
     \section2 escape_expand(arg1 [, arg2 ..., argn])
 
     Accepts an arbitrary number of arguments. It expands the
@@ -3164,6 +3170,8 @@
 
     \snippet code/doc_src_qmake-manual.pro 163
 
+    This function was introduced in Qt 5.0.
+
     \section2 fromfile(filename, variablename)
 
     Evaluates \c filename as a qmake project file and returns the value assigned
@@ -3178,6 +3186,8 @@
     The \c getenv function, however, supports environment variables with
     parentheses in their name.
 
+    This function was introduced in Qt 5.12.
+
     \section2 join(variablename, glue, before, after)
 
     Joins the value of \c variablename with \c glue. If this value is
@@ -3267,6 +3277,8 @@
     sum = $$num_add($$first, $$second_neg)
     \endcode
 
+    This function was introduced in Qt 5.8.
+
     \section2 prompt(question [, decorate])
 
     Displays the specified \c question, and returns a value read from stdin.
@@ -3295,6 +3307,8 @@
 
     \note This function is available only on Windows hosts.
 
+    This function was introduced in Qt 5.12.1.
+
     \section2 relative_path(filePath[, base])
 
     Returns the path to \c filePath relative to \c base.
@@ -3307,6 +3321,8 @@
     directory; in that case, this function effectively acts as
     $$clean_path().
 
+    This function was introduced in Qt 5.0.
+
     See also \l{absolute_path(path[, base])}{absolute_path()},
     \l{clean_path(path)}{clean_path()}.
 
@@ -3326,10 +3342,14 @@
 
     This is an internal function that you will typically not need.
 
+    This function was introduced in Qt 5.0.
+
     \section2 reverse(variablename)
 
     Returns the values of \c variablename in reverse order.
 
+    This function was introduced in Qt 5.0.
+
     \section2 section(variablename, separator, begin, end)
 
     Returns a section of the value of \c variablename. This function is a
@@ -3345,6 +3365,8 @@
     This function returns \c path for in-source builds. It returns an empty
     string if \c path points outside of the source tree.
 
+    This function was introduced in Qt 5.0.
+
     \section2 shell_path(path)
 
     Converts all directory separators within \c path to separators that are
@@ -3352,12 +3374,16 @@
     the shell that is invoked by the make tool). For example, slashes are
     converted to backslashes when the Windows shell is used.
 
+    This function was introduced in Qt 5.0.
+
     See also \l{system_path(path)}{system_path()}.
 
     \section2 shell_quote(arg)
 
     Quotes \c arg for the shell that is used while building the project.
 
+    This function was introduced in Qt 5.0.
+
     See also \l{system_quote(arg)}{system_quote()}.
 
     \target fn_size
@@ -3371,6 +3397,8 @@
 
     This is an internal function that you will typically not need.
 
+    This function was introduced in Qt 5.0.
+
     \section2 sorted(variablename)
 
     Returns the list of values in \c variablename with entries sorted
@@ -3379,6 +3407,8 @@
     Numerical sorting can be accomplished by zero-padding the values to
     a fixed length with the help of the \l{format_number()} function.
 
+    This function was introduced in Qt 5.8.
+
     \section2 split(variablename, separator)
 
     Splits the value of \c variablename into separate values, and returns them
@@ -3425,6 +3455,8 @@
 
     See also \l{member()}, \l{num_add()}.
 
+    This function was introduced in Qt 5.8.
+
     \target str_size()
     \section2 str_size(arg)
 
@@ -3432,6 +3464,8 @@
 
     See also \l{fn_size}{size()}.
 
+    This function was introduced in Qt 5.8.
+
     \target system_replace
     \section2 system(command[, mode[, stsvar]])
 
@@ -3460,6 +3494,8 @@
     invoke commands. For example, slashes are converted to backslashes for the
     Windows shell.
 
+    This function was introduced in Qt 5.0.
+
     See also \l{shell_path(path)}{shell_path()}.
 
     \section2 system_quote(arg)
@@ -3467,6 +3503,8 @@
     Quotes \c arg for the shell that is used by the \c{system()}
     functions.
 
+    This function was introduced in Qt 5.0.
+
     See also \l{shell_quote(arg)}{shell_quote()}.
 
     \target take_first()
@@ -3477,6 +3515,8 @@
 
     This provides convenience for implementing queues, for example.
 
+    This function was introduced in Qt 5.8.
+
     See also \l{take_last()}, \l{fn_first}{first()}.
 
     \target take_last()
@@ -3487,6 +3527,8 @@
 
     This provides convenience for implementing stacks, for example.
 
+    This function was introduced in Qt 5.8.
+
     See also \l{take_first()}, \l{fn_last}{last()}.
 
     \target unique
@@ -3507,6 +3549,8 @@
 
     Escapes the values of \c variablename in a way that enables parsing them as
     qmake code.
+
+    This function was introduced in Qt 5.0.
 */
 
 /*!
@@ -3530,6 +3574,8 @@
 
     This is an internal function that you will typically not need.
 
+    This function was introduced in Qt 5.0.
+
     \section2 CONFIG(config)
 
     This function can be used to test for variables placed into the
@@ -3736,6 +3782,8 @@
     Prints a message on the console. Unlike the \c message function, neither
     prepends text nor appends a line break.
 
+    This function was introduced in Qt 5.0.
+
     See also \l{message(string)}{message()}.
 
     \section2 message(string)
@@ -3761,6 +3809,8 @@
     Creates the directory path \c dirPath. This function is a wrapper around the
     QDir::mkpath function.
 
+    This function was introduced in Qt 5.0.
+
     \section2 requires(condition)
 
     Evaluates \c condition. If the condition is false, qmake skips this
@@ -3787,6 +3837,8 @@
     Updates the time stamp of \c filename to match the time stamp of
     \c reference_filename.
 
+    This function was introduced in Qt 5.0.
+
     \section2 unset(variablename)
 
     Removes \c variablename from the current context.
@@ -3803,12 +3855,16 @@
     the string will be ignored. Comparison is performed segment-wise from left
     to right; if one version is a prefix of the other, it is considered smaller.
 
+    This function was introduced in Qt 5.10.
+
     \section2 versionAtMost(variablename, versionNumber)
 
     Tests that the version number from \c variablename is less than or equal to
     \c versionNumber. Works as
     \l{versionAtLeast(variablename, versionNumber)}{versionAtLeast()}.
 
+    This function was introduced in Qt 5.10.
+
     \section2 warning(string)
 
     Always succeeds, and displays \c string as a warning message to the user.
@@ -3820,6 +3876,8 @@
     an empty file. If \c mode is \c append and the file already exists, appends
     to it instead of replacing it.
 
+    This function was introduced in Qt 5.0.
+
     \section1 Test Function Library
 
     Complex test functions are implemented in a library of .prf files.
@@ -3866,6 +3924,8 @@
 
     \snippet code/doc_src_qmake-manual.pro 178
 
+    This function was introduced in Qt 5.0.
+
     \section2 qtCompileTest(test)
 
     Builds a test project. If the test passes, true is returned and
@@ -3906,10 +3966,14 @@
 
     See also \l{load(feature)}{load()}.
 
+    This function was introduced in Qt 5.0.
+
     \section2 qtHaveModule(name)
 
     Checks whether the Qt module specified by \c name is present.
     For a list of possible values, see \l{Variables#QT}{QT}.
+
+    This function was introduced in Qt 5.0.1.
 */
 
 /*!
diff --git a/src/corelib/io/qfilesystemengine_unix.cpp b/src/corelib/io/qfilesystemengine_unix.cpp
index b2d81066db..5bab897d43 100644
--- a/src/corelib/io/qfilesystemengine_unix.cpp
+++ b/src/corelib/io/qfilesystemengine_unix.cpp
@@ -805,11 +805,11 @@ QByteArray QFileSystemEngine::id(const QFileSystemEntry &entry)
 }
 
 //static
-QByteArray QFileSystemEngine::id(int id)
+QByteArray QFileSystemEngine::id(int fd)
 {
     QT_STATBUF statResult;
-    if (QT_FSTAT(id, &statResult)) {
-        qErrnoWarning("fstat() failed for fd %d", id);
+    if (QT_FSTAT(fd, &statResult)) {
+        qErrnoWarning("fstat() failed for fd %d", fd);
         return QByteArray();
     }
     QByteArray result = QByteArray::number(quint64(statResult.st_dev), 16);
diff --git a/src/corelib/thread/qbasicatomic.h b/src/corelib/thread/qbasicatomic.h
index ad6cba04dd..4c3c1fc01f 100644
--- a/src/corelib/thread/qbasicatomic.h
+++ b/src/corelib/thread/qbasicatomic.h
@@ -38,7 +38,7 @@
 **
 ****************************************************************************/
 
-#include <QtCore/qatomic.h>
+#include <QtCore/qglobal.h>
 
 #ifndef QBASICATOMIC_H
 #define QBASICATOMIC_H
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index 8b2db6d346..79a3e35935 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -1331,7 +1331,7 @@ QRect QImage::rect() const
     The image depth is the number of bits used to store a single
     pixel, also called bits per pixel (bpp).
 
-    The supported depths are 1, 8, 16, 24 and 32.
+    The supported depths are 1, 8, 16, 24, 32 and 64.
 
     \sa bitPlaneCount(), convertToFormat(), {QImage#Image Formats}{Image Formats},
     {QImage#Image Information}{Image Information}
@@ -1574,7 +1574,9 @@ void QImage::setColor(int i, QRgb c)
     Returns a pointer to the pixel data at the scanline with index \a
     i. The first scanline is at index 0.
 
-    The scanline data is aligned on a 32-bit boundary.
+    The scanline data is as minimum 32-bit aligned. For 64-bit formats
+    it follows the native alignment of 64-bit integers (64-bit for most
+    platforms, but notably 32-bit on i386).
 
     \warning If you are accessing 32-bpp image data, cast the returned
     pointer to \c{QRgb*} (QRgb has a 32-bit size) and use it to
diff --git a/src/plugins/platforms/windows/qwindowsdialoghelpers.cpp b/src/plugins/platforms/windows/qwindowsdialoghelpers.cpp
index 6da7265cfd..1b17759b5f 100644
--- a/src/plugins/platforms/windows/qwindowsdialoghelpers.cpp
+++ b/src/plugins/platforms/windows/qwindowsdialoghelpers.cpp
@@ -967,7 +967,9 @@ void QWindowsNativeFileDialogBase::doExec(HWND owner)
     const HRESULT hr = m_fileDialog->Show(owner);
     QWindowsDialogs::eatMouseMove();
     qCDebug(lcQpaDialogs) << '<' << __FUNCTION__ << " returns " << hex << hr;
-    if (hr == S_OK) {
+    // Emit accepted() only if there is a result as otherwise UI hangs occur.
+    // For example, typing in invalid URLs results in empty result lists.
+    if (hr == S_OK && !m_data.selectedFiles().isEmpty()) {
         emit accepted();
     } else {
         emit rejected();
diff --git a/src/widgets/styles/styles.pri b/src/widgets/styles/styles.pri
index 821c40af81..be535c1846 100644
--- a/src/widgets/styles/styles.pri
+++ b/src/widgets/styles/styles.pri
@@ -33,8 +33,6 @@ SOURCES += \
 
 RESOURCES += styles/qstyle.qrc
 
-include($$OUT_PWD/qtwidgets-config.pri)
-
 qtConfig(animation) {
     HEADERS += styles/qstyleanimation_p.h
     SOURCES += styles/qstyleanimation.cpp