diff --git a/debian/changelog b/debian/changelog
index e44a38ac0..ea2df1c7b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,12 @@
+sdrangel (3.4.1-1) unstable; urgency=medium
+
+  * Optimization of halfband interpolation FIR fitler processing
+  * HackRF support: fixed start/stop sequence
+  * WFM Demod enhancement
+  * CW Keyer: specifiy char signedness to fix error with some compilers
+  
+ -- Edouard Griffiths, F4EXB <f4exb06@gmail.com>  Wed, 26 Apr 2017 23:14:18 +0100
+
 sdrangel (3.4.0-1) unstable; urgency=medium
 
   * LimeSDR support with redesign of source and sink management
diff --git a/plugins/samplesink/hackrfoutput/hackrfoutputplugin.cpp b/plugins/samplesink/hackrfoutput/hackrfoutputplugin.cpp
index 6996e0d3a..047a8cf39 100644
--- a/plugins/samplesink/hackrfoutput/hackrfoutputplugin.cpp
+++ b/plugins/samplesink/hackrfoutput/hackrfoutputplugin.cpp
@@ -29,7 +29,7 @@
 
 const PluginDescriptor HackRFOutputPlugin::m_pluginDescriptor = {
 	QString("HackRF Output"),
-	QString("3.4.0"),
+	QString("3.4.1"),
 	QString("(c) Edouard Griffiths, F4EXB"),
 	QString("https://github.com/f4exb/sdrangel"),
 	true,
diff --git a/plugins/samplesource/hackrfinput/hackrfinputplugin.cpp b/plugins/samplesource/hackrfinput/hackrfinputplugin.cpp
index ea870860c..52e9ecd27 100644
--- a/plugins/samplesource/hackrfinput/hackrfinputplugin.cpp
+++ b/plugins/samplesource/hackrfinput/hackrfinputplugin.cpp
@@ -29,7 +29,7 @@
 
 const PluginDescriptor HackRFInputPlugin::m_pluginDescriptor = {
 	QString("HackRF Input"),
-	QString("3.4.0"),
+	QString("3.4.1"),
 	QString("(c) Edouard Griffiths, F4EXB"),
 	QString("https://github.com/f4exb/sdrangel"),
 	true,
diff --git a/sdrbase/gui/aboutdialog.ui b/sdrbase/gui/aboutdialog.ui
index 6111a8a35..c50d84f12 100644
--- a/sdrbase/gui/aboutdialog.ui
+++ b/sdrbase/gui/aboutdialog.ui
@@ -84,7 +84,7 @@
    <item>
     <widget class="QLabel" name="label_2">
      <property name="text">
-      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Version 3.4.0 - Copyright (C) 2015-2017 Edouard Griffiths, F4EXB. &lt;/p&gt;&lt;p&gt;Code at &lt;a href=&quot;https://github.com/f4exb/sdrangel&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;https://github.com/f4exb/sdrangel&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;&lt;p&gt;Many thanks to the original developers:&lt;/p&gt;&lt;p&gt;The osmocom developer team - especially horizon, Hoernchen &amp;amp; tnt.&lt;/p&gt;&lt;p&gt;Christian Daniel from maintech GmbH.&lt;/p&gt;&lt;p&gt;John Greb (hexameron) for the contributions in &lt;a href=&quot;https://github.com/hexameron/rtl-sdrangelove&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;RTL-SDRangelove&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;&lt;p&gt;The following rules apply to the SDRangel main application and libsdrbase:&lt;br/&gt;This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. You should have received a copy of the GNU General Public License along with this program. If not, see &lt;a href=&quot;http://www.gnu.org/licenses/&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;http://www.gnu.org/licenses/&lt;/span&gt;&lt;/a&gt;.&lt;/p&gt;&lt;p&gt;For the license of installed plugins, look into the plugin list.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Version 3.4.1 - Copyright (C) 2015-2017 Edouard Griffiths, F4EXB. &lt;/p&gt;&lt;p&gt;Code at &lt;a href=&quot;https://github.com/f4exb/sdrangel&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;https://github.com/f4exb/sdrangel&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;&lt;p&gt;Many thanks to the original developers:&lt;/p&gt;&lt;p&gt;The osmocom developer team - especially horizon, Hoernchen &amp;amp; tnt.&lt;/p&gt;&lt;p&gt;Christian Daniel from maintech GmbH.&lt;/p&gt;&lt;p&gt;John Greb (hexameron) for the contributions in &lt;a href=&quot;https://github.com/hexameron/rtl-sdrangelove&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;RTL-SDRangelove&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;&lt;p&gt;The following rules apply to the SDRangel main application and libsdrbase:&lt;br/&gt;This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. You should have received a copy of the GNU General Public License along with this program. If not, see &lt;a href=&quot;http://www.gnu.org/licenses/&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;http://www.gnu.org/licenses/&lt;/span&gt;&lt;/a&gt;.&lt;/p&gt;&lt;p&gt;For the license of installed plugins, look into the plugin list.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
      </property>
      <property name="wordWrap">
       <bool>true</bool>
diff --git a/sdrbase/mainwindow.cpp b/sdrbase/mainwindow.cpp
index 1c3e7ab04..e1d1b96d7 100644
--- a/sdrbase/mainwindow.cpp
+++ b/sdrbase/mainwindow.cpp
@@ -453,9 +453,9 @@ void MainWindow::createStatusBar()
 {
     QString qtVersionStr = QString("Qt %1 ").arg(QT_VERSION_STR);
 #if QT_VERSION >= 0x050400
-    m_showSystemWidget = new QLabel("SDRangel v3.4.0 " + qtVersionStr + QSysInfo::prettyProductName(), this);
+    m_showSystemWidget = new QLabel("SDRangel v3.4.1 " + qtVersionStr + QSysInfo::prettyProductName(), this);
 #else
-    m_showSystemWidget = new QLabel("SDRangel v3.4.0 " + qtVersionStr, this);
+    m_showSystemWidget = new QLabel("SDRangel v3.4.1 " + qtVersionStr, this);
 #endif
     statusBar()->addPermanentWidget(m_showSystemWidget);