diff --git a/trunk/src/com/jpexs/decompiler/flash/Version.java b/trunk/src/com/jpexs/decompiler/flash/Version.java
index b52007aaa..0c0c56e8e 100644
--- a/trunk/src/com/jpexs/decompiler/flash/Version.java
+++ b/trunk/src/com/jpexs/decompiler/flash/Version.java
@@ -27,11 +27,13 @@ import java.util.Map;
 public class Version {
 
     public int versionId;
+    public String revision;
     public String versionName;
     public String longVersionName;
     public String releaseDate;
     public String appName;
     public String appFullName;
     public String updateLink;
+    public boolean nightly;
     public Map<String, List<String>> changes = new HashMap<>();
 }
diff --git a/trunk/src/com/jpexs/decompiler/flash/gui/Main.java b/trunk/src/com/jpexs/decompiler/flash/gui/Main.java
index ddabbfedd..72791b7b7 100644
--- a/trunk/src/com/jpexs/decompiler/flash/gui/Main.java
+++ b/trunk/src/com/jpexs/decompiler/flash/gui/Main.java
@@ -100,8 +100,8 @@ public class Main {
     private static TrayIcon trayIcon;
     private static MenuItem stopMenuItem;
     private static MainFrame mainFrame;
-    private static final int UPDATE_SYSTEM_MAJOR = 1;
-    private static final int UPDATE_SYSTEM_MINOR = 0;
+    public static final int UPDATE_SYSTEM_MAJOR = 1;
+    public static final int UPDATE_SYSTEM_MINOR = 1;
     public static LoadFromMemoryFrame loadFromMemoryFrame;
     public static LoadFromCacheFrame loadFromCacheFrame;
     private static final Logger logger = Logger.getLogger(Main.class.getName());
@@ -1053,6 +1053,8 @@ public class Main {
             os.write(("GET /flash/update.html?action=check&currentVersion=" + ApplicationInfo.version + "&currentBuild=" + ApplicationInfo.build + "&currentNightly=" + ApplicationInfo.nightly + " HTTP/1.1\r\n"
                     + "Host: www.free-decompiler.com\r\n"
                     + "X-Accept-Versions: " + acceptVersions + "\r\n"
+                    + "X-Update-Major: " + UPDATE_SYSTEM_MAJOR + "\r\n"
+                    + "X-Update-Minor: " + UPDATE_SYSTEM_MINOR + "\r\n"
                     + "User-Agent: " + ApplicationInfo.shortApplicationVerName + "\r\n"
                     + "Accept-Language: " + currentLoc + ("en".equals(currentLoc) ? "" : ", en;q=0.8") + "\r\n"
                     + "Connection: close\r\n"
@@ -1060,7 +1062,7 @@ public class Main {
             BufferedReader br = new BufferedReader(new InputStreamReader(sock.getInputStream()));
             String s;
             boolean start = false;
-            java.util.List<Version> versions = new ArrayList<>();
+            final java.util.List<Version> versions = new ArrayList<>();
             String header = "";
             Pattern headerPat = Pattern.compile("\\[([a-zA-Z0-9]+)\\]");
             int updateMajor = 0;
@@ -1100,6 +1102,12 @@ public class Main {
                                 if (key.equals("versionName")) {
                                     ver.versionName = val;
                                 }
+                                if (key.equals("nightly")) {
+                                    ver.nightly = val.equals("true");
+                                }
+                                if (key.equals("revision")) {
+                                    ver.revision = val;
+                                }
                                 if (key.equals("longVersionName")) {
                                     ver.longVersionName = val;
                                 }
@@ -1134,9 +1142,15 @@ public class Main {
             }
 
             if (!versions.isEmpty()) {
-                NewVersionDialog newVersionDialog = new NewVersionDialog(versions);
-                newVersionDialog.setVisible(true);
-                Configuration.lastUpdatesCheckDate.set(Calendar.getInstance());
+                View.execInEventDispatch(new Runnable() {
+                    @Override
+                    public void run() {
+                        NewVersionDialog newVersionDialog = new NewVersionDialog(versions);
+                        newVersionDialog.setVisible(true);
+                        Configuration.lastUpdatesCheckDate.set(Calendar.getInstance());
+                    }
+                });
+
                 return true;
             }
         } catch (IOException | NumberFormatException ex) {
diff --git a/trunk/src/com/jpexs/decompiler/flash/gui/NewVersionDialog.java b/trunk/src/com/jpexs/decompiler/flash/gui/NewVersionDialog.java
index 1303b9e5c..d1547abb1 100644
--- a/trunk/src/com/jpexs/decompiler/flash/gui/NewVersionDialog.java
+++ b/trunk/src/com/jpexs/decompiler/flash/gui/NewVersionDialog.java
@@ -21,6 +21,7 @@ import com.jpexs.decompiler.flash.Version;
 import java.awt.Container;
 import java.awt.Dimension;
 import java.awt.FlowLayout;
+import java.awt.Font;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.io.IOException;
@@ -34,6 +35,7 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 import javax.swing.BoxLayout;
 import javax.swing.JButton;
+import javax.swing.JEditorPane;
 import javax.swing.JLabel;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
@@ -57,7 +59,7 @@ public class NewVersionDialog extends AppDialog implements ActionListener {
         setSize(new Dimension(500, 300));
         Container cnt = getContentPane();
         cnt.setLayout(new BoxLayout(cnt, BoxLayout.PAGE_AXIS));
-        JTextArea changesText = new JTextArea();
+        JEditorPane changesText = new JEditorPane();
         changesText.setEditable(false);
         changesText.setFont(UIManager.getFont("TextField.font"));
         String changesStr = "";
@@ -69,9 +71,13 @@ public class NewVersionDialog extends AppDialog implements ActionListener {
         } else {
             formatter = new SimpleDateFormat(customFormat);
         }
+        boolean first = true;
         for (Version v : versions) {
-            changesStr += translate("version") + " " + v.versionName + "\r\n";
-            changesStr += "-----------------------\r\n";
+            if (!first) {
+                changesStr += "<hr />";
+            }
+            first = false;
+            changesStr += "<b>" + translate("version") + " " + v.versionName + (v.nightly ? " nightly " + v.revision : "") + "</b><br />";
             String releaseDate = v.releaseDate;
             try {
                 Date date = serverFormatter.parse(releaseDate);
@@ -79,21 +85,26 @@ public class NewVersionDialog extends AppDialog implements ActionListener {
             } catch (ParseException ex) {
                 Logger.getLogger(NewVersionDialog.class.getName()).log(Level.SEVERE, null, ex);
             }
-            changesStr += translate("releasedate") + " " + releaseDate + "\r\n";
-            for (String type : v.changes.keySet()) {
-                changesStr += type + ":" + "\r\n";
-                for (String ch : v.changes.get(type)) {
-                    changesStr += " - " + ch + "\r\n";
+            changesStr += translate("releasedate") + " " + releaseDate;
+            if (!v.changes.isEmpty()) {
+                changesStr += "<br />";
+                changesStr += "<pre>";
+                for (String type : v.changes.keySet()) {
+                    changesStr += type + ":" + "<br />";
+                    for (String ch : v.changes.get(type)) {
+                        changesStr += " - " + ch + "<br />";
+                    }
                 }
+                changesStr += "</pre>";
             }
-            changesStr += "\r\n";
         }
         latestVersion = null;
         if (!versions.isEmpty()) {
             latestVersion = versions.get(0);
         }
-        changesText.setText(changesStr);
-        JLabel newAvailableLabel = new JLabel("<html><b><center>" + translate("newversionavailable") + " " + latestVersion.appName + " " + translate("version") + " " + latestVersion.versionName + "</center></b></html>", SwingConstants.CENTER);
+        changesText.setContentType("text/html");
+        changesText.setText("<html>" + changesStr + "</html>");
+        JLabel newAvailableLabel = new JLabel("<html><b><center>" + translate("newversionavailable") + " " + latestVersion.appName + " " + translate("version") + " " + latestVersion.versionName + (latestVersion.nightly ? " " + latestVersion.revision : "") + "</center></b></html>", SwingConstants.CENTER);
         newAvailableLabel.setAlignmentX(JLabel.CENTER_ALIGNMENT);
         cnt.add(newAvailableLabel);
 
@@ -128,6 +139,7 @@ public class NewVersionDialog extends AppDialog implements ActionListener {
         View.centerScreen(this);
         setModalityType(ModalityType.APPLICATION_MODAL);
         changesText.setCaretPosition(0);
+        View.setWindowIcon(this);
     }
 
     @Override