diff --git a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/GunzipOutputStream.java b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/GunzipOutputStream.java
index 291d903db..e0798567d 100644
--- a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/GunzipOutputStream.java
+++ b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/GunzipOutputStream.java
@@ -25,7 +25,7 @@ class GunzipOutputStream extends InflaterOutputStream {
     private final CRC32 _crc32;
     private final byte _buf1[] = new byte[1];
     private boolean _complete;
-    private byte _footer[] = new byte[FOOTER_SIZE];
+    private final byte _footer[] = new byte[FOOTER_SIZE];
     private long _bytesReceived;
     private long _bytesReceivedAtCompletion;
     
diff --git a/apps/routerconsole/java/src/net/i2p/router/update/ConsoleUpdateManager.java b/apps/routerconsole/java/src/net/i2p/router/update/ConsoleUpdateManager.java
index 04a8d779f..ff0a90016 100644
--- a/apps/routerconsole/java/src/net/i2p/router/update/ConsoleUpdateManager.java
+++ b/apps/routerconsole/java/src/net/i2p/router/update/ConsoleUpdateManager.java
@@ -1050,7 +1050,7 @@ public class ConsoleUpdateManager implements UpdateManager, RouterApp {
                 uri = DataHelper.stripHTML(task.getURI().getPath());
                 buf.append(_("Install failed from {0}", uri));
             } else {
-                buf.append(_("Transfer failed from {0}"));
+                buf.append(_("Transfer failed from {0}", uri));
             }
             if (reason != null && reason.length() > 0) {
                 buf.append("<br>");
diff --git a/apps/routerconsole/java/src/net/i2p/router/update/NewsFetcher.java b/apps/routerconsole/java/src/net/i2p/router/update/NewsFetcher.java
index d6876383c..19d878908 100644
--- a/apps/routerconsole/java/src/net/i2p/router/update/NewsFetcher.java
+++ b/apps/routerconsole/java/src/net/i2p/router/update/NewsFetcher.java
@@ -136,7 +136,7 @@ class NewsFetcher extends UpdateRunner {
     /**
      *  Add a query param for the local language to get translated news.
      *  Unchanged if disabled by property, if language is english,
-     *  or if URI already contains a language paramter
+     *  or if URI already contains a language parameter
      *
      *  @since 0.9.21
      */
diff --git a/apps/routerconsole/java/src/net/i2p/router/web/NetDbHelper.java b/apps/routerconsole/java/src/net/i2p/router/web/NetDbHelper.java
index 8cbd02304..496f49ac1 100644
--- a/apps/routerconsole/java/src/net/i2p/router/web/NetDbHelper.java
+++ b/apps/routerconsole/java/src/net/i2p/router/web/NetDbHelper.java
@@ -73,7 +73,7 @@ public class NetDbHelper extends HelperBase {
         NetDbRenderer renderer = new NetDbRenderer(_context);
         try {
             renderNavBar();
-            if (_routerPrefix != null || _version!= null || _country != null)
+            if (_routerPrefix != null || _version != null || _country != null)
                 renderer.renderRouterInfoHTML(_out, _routerPrefix, _version, _country);
             else if (_lease)
                 renderer.renderLeaseSetHTML(_out, _debug);
diff --git a/core/java/src/net/i2p/client/impl/I2PSessionImpl.java b/core/java/src/net/i2p/client/impl/I2PSessionImpl.java
index 6d264549b..4307924de 100644
--- a/core/java/src/net/i2p/client/impl/I2PSessionImpl.java
+++ b/core/java/src/net/i2p/client/impl/I2PSessionImpl.java
@@ -96,7 +96,7 @@ public abstract class I2PSessionImpl implements I2PSession, I2CPMessageReader.I2
     // established subsessions
     private final ConcurrentHashMap<SessionId, SubSession> _subsessionMap;
     private final Object _subsessionLock = new Object();
-    private static final String MIN_SUBSESSION_VERSION = "0.9.19";
+    private static final String MIN_SUBSESSION_VERSION = "0.9.21";
     private volatile boolean _routerSupportsSubsessions;
 
     /** hostname of router - will be null if in RouterContext */
diff --git a/core/java/src/net/i2p/update/UpdateManager.java b/core/java/src/net/i2p/update/UpdateManager.java
index b5035ec95..57065dcb3 100644
--- a/core/java/src/net/i2p/update/UpdateManager.java
+++ b/core/java/src/net/i2p/update/UpdateManager.java
@@ -178,6 +178,7 @@ public interface UpdateManager {
      *  @since 0.9.21
      */
     public boolean isUpdateInProgress(UpdateType type, String id);
+
     /**
      *  Non-blocking. Does not check.
      *  Fails if check or update already in progress.
@@ -225,6 +226,7 @@ public interface UpdateManager {
     /**
      *  The status on any update current or last finished.
      *  @return status or ""
+     *  @since 0.9.21
      */
     public String getStatus();