diff --git a/CMakeLists.txt b/CMakeLists.txt
index ab3da749..e48f48d3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ cmake_minimum_required(VERSION 3.12)
 
 set(Easy3D_VERSION_MAJOR 2)
 set(Easy3D_VERSION_MINOR 5)
-set(Easy3D_VERSION_PATCH 3)
+set(Easy3D_VERSION_PATCH 4)
 set(Easy3D_VERSION_STRING ${Easy3D_VERSION_MAJOR}.${Easy3D_VERSION_MINOR}.${Easy3D_VERSION_PATCH})
 set(Easy3D_VERSION_NUMBER 10${Easy3D_VERSION_MAJOR}0${Easy3D_VERSION_MINOR}0${Easy3D_VERSION_PATCH})
 
diff --git a/applications/Mapple/main.cpp b/applications/Mapple/main.cpp
index a70ec5c0..f04d3ff7 100644
--- a/applications/Mapple/main.cpp
+++ b/applications/Mapple/main.cpp
@@ -38,6 +38,7 @@
 
 #include <QStyleFactory>
 #include <QSurfaceFormat>
+#include <QGLFormat>
 #include <QElapsedTimer>
 #include <QException>
 
@@ -111,6 +112,7 @@ int main(int argc, char *argv[]) {
     format.setProfile(QSurfaceFormat::CoreProfile);
     format.setDepthBufferSize(24);
     format.setStencilBufferSize(8);
+    format.setSwapBehavior(QSurfaceFormat::DoubleBuffer);
     format.setSamples(4);
 #ifndef NDEBUG
     format.setOption(QSurfaceFormat::DebugContext);
@@ -122,26 +124,19 @@ int main(int argc, char *argv[]) {
 
     QApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
     QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
+#if (defined(Q_OS_WIN) && QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
     QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 #endif
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 7, 0))
-    //QApplication::setAttribute(Qt::AA_DontUseNativeDialogs);
-#endif
-
-#ifdef __APPLE__
-    //QApplication::setAttribute(Qt::AA_DontUseNativeMenuBar);
-#endif
 
     Mapple app(argc, argv);
 
-#ifndef __APPLE__
-    // to have similar style on different platforms (macOS.
+#ifndef Q_OS_MAC
+    // to have similar style on different platforms (macOS)
     app.setStyle(QStyleFactory::create("Fusion"));
 #endif
 
     QDir workingDir = QCoreApplication::applicationDirPath();
-#ifdef __APPLE__
+#ifdef Q_OS_MAC
     // This makes sure that our "working directory" is not within the application bundle
     if (workingDir.dirName() == "MacOS") {
         workingDir.cdUp();
@@ -169,6 +164,15 @@ int main(int argc, char *argv[]) {
     }
 #endif
 
+    if (!QGLFormat::hasOpenGL()) {
+        LOG(ERROR) << "Mapple needs OpenGL to run";
+        return EXIT_FAILURE;
+    }
+    if ((QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_3_2) == 0) {
+        LOG(ERROR) << "Mapple needs OpenGL 3.2 at least to run";
+        return EXIT_FAILURE;
+    }
+
     try {
         MainWindow win;
         if (!logging::log_file().empty())
diff --git a/applications/Mapple/main_window.cpp b/applications/Mapple/main_window.cpp
index 3ef8dc20..92ca58d8 100644
--- a/applications/Mapple/main_window.cpp
+++ b/applications/Mapple/main_window.cpp
@@ -867,7 +867,7 @@ void MainWindow::onAbout()
     title += QMessageBox::tr("<h3>Mapple (%1 bit)</h3>").arg(bits);
 #endif
 
-    title += QMessageBox::tr("<h4>based on Easy3D v%1 (%2) and Qt v%3</h4>").arg(EASY3D_VERSION_STR).arg(EASY3D_RELEASE_DATE).arg(QT_VERSION_STR);
+    title += QMessageBox::tr("<h4>based on Easy3D v%1 (%2) and Qt v%3</h4>").arg(EASY3D_VERSION_STR).arg(EASY3D_RELEASE_DATE).arg(QT_VERSION_STR); // __DATE__
 
     QString text = QMessageBox::tr(
             "<p>Mapple is software for processing and rendering 3D data (e.g., point clouds, graphs, surface meshes, "
diff --git a/easy3d/util/version.h b/easy3d/util/version.h
index 9eee0898..c0632e99 100644
--- a/easy3d/util/version.h
+++ b/easy3d/util/version.h
@@ -56,10 +56,10 @@ namespace easy3d {
 #define EASY3D_VERSION_STR Easy3D_VERSION_STRING
 
 /// Easy3D version number, in the format 10[MAJOR]0[MINOR]0[PATCH].
-#define EASY3D_VERSION_NR 1020503
+#define EASY3D_VERSION_NR 1020504
 
 /// Easy3D release date, in the format YYYYMMDD.
-#define EASY3D_RELEASE_DATE 20240916
+#define EASY3D_RELEASE_DATE 20240926
 
 
 #endif  // EASY3D_UTIL_VERSION_H