diff --git a/Telegram/SourceFiles/autoupdater.cpp b/Telegram/SourceFiles/autoupdater.cpp
index d560cfbc6..a34a471c6 100644
--- a/Telegram/SourceFiles/autoupdater.cpp
+++ b/Telegram/SourceFiles/autoupdater.cpp
@@ -569,6 +569,8 @@ bool checkReadyUpdate() {
 	return true;
 }
 
+#endif
+
 QString countBetaVersionSignature(uint64 version) { // duplicated in packer.cpp
 	if (cBetaPrivateKey().isEmpty()) {
 		LOG(("Error: Trying to count beta version signature without beta private key!"));
@@ -613,4 +615,3 @@ QString countBetaVersionSignature(uint64 version) { // duplicated in packer.cpp
 	return QString::fromUtf8(signature.mid(19, 32));
 }
 
-#endif
diff --git a/Telegram/SourceFiles/autoupdater.h b/Telegram/SourceFiles/autoupdater.h
index 0bee6fae3..e15d7fe09 100644
--- a/Telegram/SourceFiles/autoupdater.h
+++ b/Telegram/SourceFiles/autoupdater.h
@@ -66,6 +66,11 @@ private:
 
 bool checkReadyUpdate();
 
-QString countBetaVersionSignature(uint64 version);
+#else
+class UpdateDownloader : public QObject {
+	Q_OBJECT
+};
 
 #endif
+
+QString countBetaVersionSignature(uint64 version);
diff --git a/Telegram/SourceFiles/historywidget.cpp b/Telegram/SourceFiles/historywidget.cpp
index 02762346c..afe6316df 100644
--- a/Telegram/SourceFiles/historywidget.cpp
+++ b/Telegram/SourceFiles/historywidget.cpp
@@ -4575,6 +4575,8 @@ void HistoryWidget::onDocumentSelect() {
 void HistoryWidget::dragEnterEvent(QDragEnterEvent *e) {
 	if (!_history) return;
 
+	if (_peer && (_peer->isChannel() && !_peer->asChannel()->canPublish())) return;
+
 	_attachDrag = getDragState(e->mimeData());
 	updateDragAreas();
 
@@ -4876,6 +4878,8 @@ void HistoryWidget::onPhotoDrop(const QMimeData *data) {
 void HistoryWidget::onDocumentDrop(const QMimeData *data) {
 	if (!_history) return;
 
+	if (_peer && (_peer->isChannel() && !_peer->asChannel()->canPublish())) return;
+
 	QStringList files = getMediasFromMime(data);
 	if (files.isEmpty()) return;
 
@@ -4883,6 +4887,9 @@ void HistoryWidget::onDocumentDrop(const QMimeData *data) {
 }
 
 void HistoryWidget::onFilesDrop(const QMimeData *data) {
+
+	if (_peer && (_peer->isChannel() && !_peer->asChannel()->canPublish())) return;
+
 	QStringList files = getMediasFromMime(data);
 	if (files.isEmpty()) {
 		if (data->hasImage()) {
diff --git a/Telegram/Telegram.pro b/Telegram/Telegram.pro
index 8c851b7b2..48077b5c4 100644
--- a/Telegram/Telegram.pro
+++ b/Telegram/Telegram.pro
@@ -89,6 +89,7 @@ SOURCES += \
     ./SourceFiles/autoupdater.cpp \
     ./SourceFiles/dialogswidget.cpp \
     ./SourceFiles/dropdown.cpp \
+    ./SourceFiles/facades.cpp \
     ./SourceFiles/fileuploader.cpp \
     ./SourceFiles/history.cpp \
     ./SourceFiles/historywidget.cpp \
@@ -112,6 +113,7 @@ SOURCES += \
     ./SourceFiles/types.cpp \
     ./SourceFiles/window.cpp \
     ./SourceFiles/mtproto/mtp.cpp \
+    ./SourceFiles/mtproto/mtpAuthKey.cpp \
     ./SourceFiles/mtproto/mtpConnection.cpp \
     ./SourceFiles/mtproto/mtpCoreTypes.cpp \
     ./SourceFiles/mtproto/mtpDC.cpp \
@@ -175,6 +177,7 @@ HEADERS += \
     ./SourceFiles/countries.h \
     ./SourceFiles/dialogswidget.h \
     ./SourceFiles/dropdown.h \
+    ./SourceFiles/facades.h \
     ./SourceFiles/fileuploader.h \
     ./SourceFiles/history.h \
     ./SourceFiles/historywidget.h \