diff --git a/libs/application/logview.cpp b/libs/application/logview.cpp
index 8b4d075..1864996 100644
--- a/libs/application/logview.cpp
+++ b/libs/application/logview.cpp
@@ -26,11 +26,18 @@ LogView::Category::Category() {
 }
 
 
-void LogView::Category::makeIcon(QSize size, QSize size_icon) {
+void LogView::Category::makeIcon(QSize size, QSize size_icon, qreal ratio) {
 	icon_image = QImage();
-	if (!image.isNull())
-		icon_image = image.scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
-	QPixmap px = QPixmap::fromImage(image.scaled(size_icon, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
+	if (!image.isNull()) {
+		icon_image = image.scaled(size * ratio, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
+		icon_image.setDevicePixelRatio(ratio);
+#endif
+	}
+	QPixmap px = QPixmap::fromImage(image.scaled(size_icon * ratio, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
+#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
+	px.setDevicePixelRatio(ratio);
+#endif
 	icon.addPixmap(px, QIcon::Active);
 	icon.addPixmap(px, QIcon::Disabled);
 	icon.addPixmap(px, QIcon::Normal);
@@ -119,7 +126,11 @@ void LogView::registerCategory(const QString & label, QRegularExpression regexp,
 	c.text_brush = text_brush;
 	c.background = background;
 	c.bold = bold;
-	c.makeIcon(iconImageSize(), preferredIconSize(1., this));
+	c.makeIcon(iconImageSize(), preferredIconSize(1., this)
+#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
+													, devicePixelRatioF()
+#endif
+														);
 	categories.append(c);
 	ui->comboCategory->addItem(c.icon, label, QVariant(regexp));
 }
@@ -204,7 +215,11 @@ void LogView::changeEvent(QEvent * e) {
 		ui->labelIconSearch->setFixedSize(preferredIconSize(1.2, this));
 		QSize is = iconImageSize(), is_i = preferredIconSize(1., this);
 		for (int i = 0; i < categories.size(); ++i)
-			categories[i].makeIcon(is, is_i);
+			categories[i].makeIcon(is, is_i
+#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
+								  , devicePixelRatioF()
+#endif
+									);
 		} break;
 	default: break;
 	}
diff --git a/libs/application/logview.h b/libs/application/logview.h
index 490bb01..1c1d53b 100644
--- a/libs/application/logview.h
+++ b/libs/application/logview.h
@@ -80,7 +80,7 @@ public:
 private:
 	struct QAD_APPLICATION_EXPORT Category {
 		Category();
-		void makeIcon(QSize size, QSize size_icon);
+		void makeIcon(QSize size, QSize size_icon, qreal ratio = 1.);
 		QString label;
 		QRegularExpression regexp;
 		QImage image, icon_image;
diff --git a/libs/utils/qpiconfig.cpp b/libs/utils/qpiconfig.cpp
index 486784f..7b3a289 100644
--- a/libs/utils/qpiconfig.cpp
+++ b/libs/utils/qpiconfig.cpp
@@ -303,9 +303,7 @@ QPIConfig::QPIConfig(const QString & path, QStringList dirs) {
 		return;
 	}
 	dev->close();
-#if QT_VERSION_MAJOR > 5
-	stream.setEncoding(QStringConverter::Utf8);
-#endif
+	setupCodec();
 	setFileName(cp);
 	open(QIODevice::ReadOnly);
 	parse();
@@ -350,16 +348,22 @@ void QPIConfig::setString(QString * str) {
 
 void QPIConfig::setCodec(const char * codecName) {
 	codec = codecName;
+	setupCodec();
+	parse();
+}
+
+
+void QPIConfig::setupCodec() {
 #if QT_VERSION_MAJOR <= 5
-	stream.setCodec(codecName);
+	stream.setCodec(codec.toLatin1().data());
 #else
-	QString cn = QString(codecName).toLower().remove(' ').remove('-').trimmed();
+	QString cn = codec.toLower().remove(' ').remove('-').trimmed();
 	QStringConverter::Encoding sc = QStringConverter::System;
 	if      (cn == "utf8" ) sc = QStringConverter::Utf8 ;
 	else if (cn == "utf16") sc = QStringConverter::Utf16;
 	stream.setEncoding(sc);
 #endif
-	parse();
+
 }
 
 
@@ -606,10 +610,7 @@ void QPIConfig::writeAll() {
 		stream.setString(buffer);
 		buffer->clear();
 	}
-#if QT_VERSION_MAJOR <= 5
-	if (!codec.isEmpty())
-		stream.setCodec(codec.toLatin1().data());
-#endif
+	setupCodec();
 	stream.seek(0);
 	buildFullNames(&root);
 	Branch b = allLeaves();
@@ -782,13 +783,10 @@ void QPIConfig::parse(QString content) {
 	} else {
 		stream.setString(&content);
 	}
+	setupCodec();
 	stream.seek(0);
 	other.clear();
 	lines = centry = 0;
-#if QT_VERSION_MAJOR <= 5
-	if (!codec.isEmpty())
-		stream.setCodec(codec.toLatin1().data());
-#endif
 	while (!stream.atEnd()) {
 		other.push_back(QString());
 		src = str = parseLine(stream.readLine());
diff --git a/libs/utils/qpiconfig.h b/libs/utils/qpiconfig.h
index 816a482..ac70f32 100644
--- a/libs/utils/qpiconfig.h
+++ b/libs/utils/qpiconfig.h
@@ -284,6 +284,7 @@ private:
 	void updateIncludes();
 	QString parseLine(QString v);
 	void parse(QString content = QString());
+	void setupCodec();
 
 	int centry;
 	bool internal;
diff --git a/libs/widgets/image_view.cpp b/libs/widgets/image_view.cpp
index 13533ea..b0f8654 100644
--- a/libs/widgets/image_view.cpp
+++ b/libs/widgets/image_view.cpp
@@ -132,7 +132,11 @@ bool ImageView::eventFilter(QObject * o, QEvent * e) {
 
 
 void ImageView::adjustView() {
-	int nw = map.size().boundedTo(size()).width();
+	QSize ws = size();
+#if QT_VERSION_MAJOR >= 5
+	ws *= devicePixelRatio();
+#endif
+	int nw = map.size().boundedTo(ws).width();
 	item.setScale(1.);
 	if (nw > 0) {
 		qreal mp = map.width() / nw;
diff --git a/utils/blockeditor/CMakeLists.txt b/utils/blockeditor/CMakeLists.txt
index d41449a..f381b73 100644
--- a/utils/blockeditor/CMakeLists.txt
+++ b/utils/blockeditor/CMakeLists.txt
@@ -9,9 +9,11 @@ endif()
 set(APP_INFO "Editor for BlockView Blocks")
 qad_application(${PROJECT_NAME} "Gui;Widgets" "qad_utils;qad_widgets;qad_blockview")
 if (NOT DEFINED ANDROID_PLATFORM)
-	if (Qt5_FOUND)
-		import_version(${PROJECT_NAME}5 ${PROJECT_NAME})
-		import_deploy_properties(${PROJECT_NAME}5 ${PROJECT_NAME})
-		deploy_target(${PROJECT_NAME}5 DEPLOY_DIR ${CMAKE_CURRENT_BINARY_DIR} DESTINATION ${ROOT_DIR}/release ADD_MANIFEST)
-	endif()
+	foreach (_qv_ IN ITEMS 5 6)
+		if (${LOCAL_FOUND${_qv_}})
+			import_version(${PROJECT_NAME}${_qv_} ${PROJECT_NAME})
+			import_deploy_properties(${PROJECT_NAME}${_qv_} ${PROJECT_NAME})
+			deploy_target(${PROJECT_NAME}${_qv_} DEPLOY_DIR ${CMAKE_CURRENT_BINARY_DIR} DESTINATION ${ROOT_DIR}/release ADD_MANIFEST)
+		endif()
+	endforeach()
 endif()
diff --git a/utils/qpicalculator/CMakeLists.txt b/utils/qpicalculator/CMakeLists.txt
index 74edcf2..cecd14b 100644
--- a/utils/qpicalculator/CMakeLists.txt
+++ b/utils/qpicalculator/CMakeLists.txt
@@ -12,11 +12,13 @@ if (PIP_FOUND)
 	set(APP_INFO "Small calculator ang grapher")
 	qad_application(${PROJECT_NAME} "Gui;Widgets" "qad_graphic;qad_piqt")
 	if (NOT DEFINED ANDROID_PLATFORM)
-		if (Qt5_FOUND)
-			import_version(${PROJECT_NAME}5 ${PROJECT_NAME})
-			import_deploy_properties(${PROJECT_NAME}5 ${PROJECT_NAME})
-			deploy_target(${PROJECT_NAME}5 DEPLOY_DIR ${CMAKE_CURRENT_BINARY_DIR} DESTINATION ${ROOT_DIR}/release ADD_MANIFEST)
-		endif()
+		foreach (_qv_ IN ITEMS 5 6)
+			if (${LOCAL_FOUND${_qv_}})
+				import_version(${PROJECT_NAME}${_qv_} ${PROJECT_NAME})
+				import_deploy_properties(${PROJECT_NAME}${_qv_} ${PROJECT_NAME})
+				deploy_target(${PROJECT_NAME}${_qv_} DEPLOY_DIR ${CMAKE_CURRENT_BINARY_DIR} DESTINATION ${ROOT_DIR}/release ADD_MANIFEST)
+			endif()
+		endforeach()
 	endif()
 
 endif()