diff --git a/java_console/inifile/src/main/java/com/rusefi/tune/xml/Msq.java b/java_console/inifile/src/main/java/com/rusefi/tune/xml/Msq.java
index dbedf3f153..2a6161632b 100644
--- a/java_console/inifile/src/main/java/com/rusefi/tune/xml/Msq.java
+++ b/java_console/inifile/src/main/java/com/rusefi/tune/xml/Msq.java
@@ -5,6 +5,7 @@ import com.opensr5.ConfigurationImage;
 import com.opensr5.ini.IniFileModel;
 import com.opensr5.ini.field.ArrayIniField;
 import com.opensr5.ini.field.IniField;
+import com.rusefi.rusEFIVersion;
 import com.rusefi.xml.XmlUtil;
 import org.jetbrains.annotations.NotNull;
 
@@ -26,7 +27,7 @@ public class Msq {
     public Bibliography bibliography = new Bibliography();
 
     public Msq() {
-        versionInfo = new VersionInfo("rusEFI+2020");
+        versionInfo = new VersionInfo(Integer.toString(rusEFIVersion.CONSOLE_VERSION));
     }
 
     @NotNull
diff --git a/java_console/shared_io/src/main/java/com/rusefi/shared/ConnectionAndMeta.java b/java_console/shared_io/src/main/java/com/rusefi/shared/ConnectionAndMeta.java
index db43845ea0..6e7880a2df 100644
--- a/java_console/shared_io/src/main/java/com/rusefi/shared/ConnectionAndMeta.java
+++ b/java_console/shared_io/src/main/java/com/rusefi/shared/ConnectionAndMeta.java
@@ -16,7 +16,7 @@ public class ConnectionAndMeta {
 
     private static final int BUFFER_SIZE = 32 * 1024;
     public static final int STEPS = 1000;
-    private String zipFileName;
+    private final String zipFileName;
     private HttpsURLConnection httpConnection;
     private long completeFileSize;
     private long lastModified;
diff --git a/java_tools/ts_plugin_launcher/src/main/java/com/rusefi/ts_plugin/TsPluginLauncher.java b/java_tools/ts_plugin_launcher/src/main/java/com/rusefi/ts_plugin/TsPluginLauncher.java
index 5a3a8f81c5..0ddaf2bee6 100644
--- a/java_tools/ts_plugin_launcher/src/main/java/com/rusefi/ts_plugin/TsPluginLauncher.java
+++ b/java_tools/ts_plugin_launcher/src/main/java/com/rusefi/ts_plugin/TsPluginLauncher.java
@@ -7,16 +7,17 @@ import org.putgemin.VerticalFlowLayout;
 import javax.swing.*;
 
 /**
- * This class is the more permanent part of the plug, it's responsible for refreshing and launcher PluginEntry via reflections.
+ * This class is the more permanent part of the plugin, it's responsible for refreshing and launcher PluginEntry via reflections.
  * which downloads the main more volatile UI part (PluginEntry)
  *
  * by the way TS installs stuff into %user%\.efianalytics\TunerStudio\plugins folder
  * @see PluginLauncherSandbox sandbox for this
  * see PluginEntry
+ * @see Updater
  */
 public class TsPluginLauncher implements ApplicationPlugin {
-    public static final int BUILD_VERSION = 3;
-    static final String VERSION = "2020.alpha." + BUILD_VERSION;
+    public static final int BUILD_VERSION = 4;
+    static final String VERSION = "2021.alpha." + BUILD_VERSION;
     private static final String HELP_URL = "https://github.com/rusefi/rusefi/wiki/TS-Plugin";
 
     private final JPanel content = new JPanel(new VerticalFlowLayout());
diff --git a/java_tools/ts_plugin_launcher/src/main/java/com/rusefi/ts_plugin/Updater.java b/java_tools/ts_plugin_launcher/src/main/java/com/rusefi/ts_plugin/Updater.java
index ddda709055..8b3d977cb4 100644
--- a/java_tools/ts_plugin_launcher/src/main/java/com/rusefi/ts_plugin/Updater.java
+++ b/java_tools/ts_plugin_launcher/src/main/java/com/rusefi/ts_plugin/Updater.java
@@ -22,6 +22,7 @@ import static com.rusefi.ts_plugin.TsPluginLauncher.VERSION;
 
 /**
  * Download fresh copy of {@link #PLUGIN_BODY_JAR} and launch {@link #PLUGIN_ENTRY_CLASS} via reflection.
+ * @see ConnectionAndMeta#BASE_URL_LATEST
  */
 public class Updater {
     private static final String PLUGIN_ENTRY_CLASS = "com.rusefi.ts_plugin.PluginEntry";