diff --git a/brouter-codec/pom.xml b/brouter-codec/pom.xml
index cef5728..803dcc1 100644
--- a/brouter-codec/pom.xml
+++ b/brouter-codec/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.11</version>
+        <version>1.5.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-codec</artifactId>
diff --git a/brouter-core/pom.xml b/brouter-core/pom.xml
index 9678493..c683efa 100644
--- a/brouter-core/pom.xml
+++ b/brouter-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.11</version>
+        <version>1.5.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-core</artifactId>
diff --git a/brouter-core/src/main/java/btools/router/OsmTrack.java b/brouter-core/src/main/java/btools/router/OsmTrack.java
index 631b49b..b4987f9 100644
--- a/brouter-core/src/main/java/btools/router/OsmTrack.java
+++ b/brouter-core/src/main/java/btools/router/OsmTrack.java
@@ -435,7 +435,7 @@ public final class OsmTrack
     }
     else
     {
-      sb.append( " creator=\"BRouter-1.4.11\" version=\"1.1\">\n" );
+      sb.append( " creator=\"BRouter-1.5.0\" version=\"1.1\">\n" );
     }
 
     if ( turnInstructionMode == 3) // osmand style
diff --git a/brouter-core/src/main/java/btools/router/RoutingEngine.java b/brouter-core/src/main/java/btools/router/RoutingEngine.java
index 67bfb77..4b887bb 100644
--- a/brouter-core/src/main/java/btools/router/RoutingEngine.java
+++ b/brouter-core/src/main/java/btools/router/RoutingEngine.java
@@ -62,7 +62,7 @@ public class RoutingEngine extends Thread
 
   private Object[] extract;
 
-  private boolean directWeaving = Boolean.getBoolean( "directWeaving" );
+  private boolean directWeaving = !Boolean.getBoolean( "disableDirectWeaving" );
 
   public RoutingEngine( String outfileBase, String logfileBase, String segmentDir,
           List<OsmNodeNamed> waypoints, RoutingContext rc )
@@ -808,21 +808,21 @@ public class RoutingEngine extends Thread
       synchronized( openSet )
       {
         path = openSet.popLowestKeyValue();
-      }
-      if ( path == null )
-      {
-        if ( openBorderList.isEmpty() )
+        if ( path == null )
         {
-          break;
+          if ( openBorderList.isEmpty() )
+          {
+            break;
+          }
+          for( OsmPath p : openBorderList )
+          {
+            openSet.add( p.cost + (int)(p.airdistance*airDistanceCostFactor), p );
+          }
+          openBorderList.clear();
+          memoryPanicMode = false;
+          needNonPanicProcessing = true;
+          continue;
         }
-        for( OsmPath p : openBorderList )
-        {
-          openSet.add( p.cost + (int)(p.airdistance*airDistanceCostFactor), p );
-        }
-        openBorderList.clear();
-        memoryPanicMode = false;
-        needNonPanicProcessing = true;
-        continue;
       }
 
       if ( path.airdistance == -1 )
@@ -841,29 +841,32 @@ public class RoutingEngine extends Thread
             int pathsBefore = openSet.getSize();
             
             nodesCache.nodesMap.collectOutreachers();
-            for(;;)
+            synchronized( openSet )
             {
-              OsmPath p3 = openSet.popLowestKeyValue();
-              if ( p3 == null ) break;
-              if ( p3.airdistance != -1 && nodesCache.nodesMap.canEscape( p3.getTargetNode() ) )
+              for(;;)
               {
-                openBorderList.add( p3 );
+                OsmPath p3 = openSet.popLowestKeyValue();
+                if ( p3 == null ) break;
+                if ( p3.airdistance != -1 && nodesCache.nodesMap.canEscape( p3.getTargetNode() ) )
+                {
+                  openBorderList.add( p3 );
+                }
+              }
+              for( OsmPath p : openBorderList )
+              {
+                openSet.add( p.cost + (int)(p.airdistance*airDistanceCostFactor), p );
               }
             }
-            for( OsmPath p : openBorderList )
-            {
-              openSet.add( p.cost + (int)(p.airdistance*airDistanceCostFactor), p );
-            }
             openBorderList.clear();
-System.out.println( "collected, nodes/paths before=" + nodesBefore + "/" + pathsBefore + " after=" + nodesCache.nodesMap.nodesCreated + "/" + openSet.getSize() );
+            logInfo( "collected, nodes/paths before=" + nodesBefore + "/" + pathsBefore + " after=" + nodesCache.nodesMap.nodesCreated + "/" + openSet.getSize() + " maxTotalCost=" + maxTotalCost );
             if ( !nodesCache.nodesMap.isInMemoryBounds( openSet.getSize()) ) // TODO
             {
-              if ( maxTotalCost < 1000000000 || needNonPanicProcessing )
+              if ( maxTotalCost < 1000000000 || needNonPanicProcessing || fastPartialRecalc )
               {
                 throw new IllegalArgumentException( "memory limit reached" );
               }
               memoryPanicMode = true;
-              System.out.println( "************************ memory limit reached, enabled memory panic mode *************************" );
+              logInfo( "************************ memory limit reached, enabled memory panic mode *************************" );
             }
           }
         }
@@ -1248,7 +1251,7 @@ System.out.println( "collected, nodes/paths before=" + nodesBefore + "/" + paths
 
   private OsmTrack mergeTrack( OsmPathElement match, OsmTrack oldTrack )
   {
-System.out.println( "**************** merging match=" + match.cost + " with oldTrack=" + oldTrack.cost ); 
+    logInfo( "**************** merging match=" + match.cost + " with oldTrack=" + oldTrack.cost ); 
     OsmPathElement element = match;
     OsmTrack track = new OsmTrack();
     track.cost = oldTrack.cost;
diff --git a/brouter-expressions/pom.xml b/brouter-expressions/pom.xml
index 9287517..27cdb55 100644
--- a/brouter-expressions/pom.xml
+++ b/brouter-expressions/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.11</version>
+        <version>1.5.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-expressions</artifactId>
diff --git a/brouter-map-creator/pom.xml b/brouter-map-creator/pom.xml
index 5c78b20..ead3d77 100644
--- a/brouter-map-creator/pom.xml
+++ b/brouter-map-creator/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.11</version>
+        <version>1.5.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-map-creator</artifactId>
diff --git a/brouter-mapaccess/pom.xml b/brouter-mapaccess/pom.xml
index bc09583..a93b774 100644
--- a/brouter-mapaccess/pom.xml
+++ b/brouter-mapaccess/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.11</version>
+        <version>1.5.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-mapaccess</artifactId>
diff --git a/brouter-mapaccess/src/main/java/btools/mapaccess/NodesCache.java b/brouter-mapaccess/src/main/java/btools/mapaccess/NodesCache.java
index 93a9b1c..ebf4fe9 100644
--- a/brouter-mapaccess/src/main/java/btools/mapaccess/NodesCache.java
+++ b/brouter-mapaccess/src/main/java/btools/mapaccess/NodesCache.java
@@ -49,7 +49,7 @@ public final class NodesCache
   private long ghostSum = 0;
   private long ghostWakeup = 0;
   
-  private boolean directWeaving = Boolean.getBoolean( "directWeaving" );
+  private boolean directWeaving = !Boolean.getBoolean( "disableDirectWeaving" );
   
   public String formatStatus()
   {
diff --git a/brouter-mapaccess/src/main/java/btools/mapaccess/OsmNodesMap.java b/brouter-mapaccess/src/main/java/btools/mapaccess/OsmNodesMap.java
index 723a4cd..4a9360f 100644
--- a/brouter-mapaccess/src/main/java/btools/mapaccess/OsmNodesMap.java
+++ b/brouter-mapaccess/src/main/java/btools/mapaccess/OsmNodesMap.java
@@ -73,7 +73,7 @@ public final class OsmNodesMap
           }
           catch( StackOverflowError soe )
           {
-             System.out.println( "+++++++++++++++ StackOverflowError ++++++++++++++++" );
+             // System.out.println( "+++++++++++++++ StackOverflowError ++++++++++++++++" );
           }
         }
       }
@@ -196,7 +196,6 @@ public final class OsmNodesMap
   {
     nodesCreated=0;
   
-System.out.println( "collectOutreachers, currentMaxCost=" + currentMaxCost );
     ArrayList<OsmNode> nodes2check = new ArrayList<OsmNode>();
     for( OsmNode n : hmap.values() )
     {
diff --git a/brouter-routing-app/AndroidManifest.xml b/brouter-routing-app/AndroidManifest.xml
index 0cd0e94..450ac8f 100644
--- a/brouter-routing-app/AndroidManifest.xml
+++ b/brouter-routing-app/AndroidManifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-      android:versionCode="23"
-      android:versionName="1.4.11" package="btools.routingapp">
+      android:versionCode="27"
+      android:versionName="1.5.0" package="btools.routingapp">
     <application android:icon="@drawable/icon" android:label="@string/app_name">
         <activity android:name=".BRouterActivity"
                   android:label="@string/app_name"
@@ -26,7 +26,7 @@
 
 
 <uses-sdk android:minSdkVersion="10"></uses-sdk>
-<uses-sdk android:targetSdkVersion="10"></uses-sdk>
+<uses-sdk android:targetSdkVersion="28"></uses-sdk>
 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
 <uses-permission android:name="android.permission.WAKE_LOCK"></uses-permission>
 <uses-permission android:name="android.permission.INTERNET"></uses-permission>
diff --git a/brouter-routing-app/assets/profiles2.zip b/brouter-routing-app/assets/profiles2.zip
index 7164085..0ff9fae 100644
Binary files a/brouter-routing-app/assets/profiles2.zip and b/brouter-routing-app/assets/profiles2.zip differ
diff --git a/brouter-routing-app/assets/readmes.zip b/brouter-routing-app/assets/readmes.zip
index 0d5f9bd..318d23f 100644
Binary files a/brouter-routing-app/assets/readmes.zip and b/brouter-routing-app/assets/readmes.zip differ
diff --git a/brouter-routing-app/pom.xml b/brouter-routing-app/pom.xml
index f44d57d..0e8a2e4 100644
--- a/brouter-routing-app/pom.xml
+++ b/brouter-routing-app/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.11</version>
+        <version>1.5.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-routing-app</artifactId>
@@ -60,9 +60,9 @@
                             <include>${project.build.directory}/${project.artifactId}.apk</include>
                         </includes>
                         <keystore>\sign\mystore</keystore>
-                        <alias>abrensch</alias>
-                        <storepass>peru1511</storepass>
-                        <keypass>peru1511</keypass>
+                        <alias>myalias</alias>
+                        <storepass>mypasswd</storepass>
+                        <keypass>mypasswd</keypass>
                         <verbose>true</verbose>
                     </configuration>
                 </execution>
diff --git a/brouter-routing-app/project.properties b/brouter-routing-app/project.properties
index f049142..29e368b 100644
--- a/brouter-routing-app/project.properties
+++ b/brouter-routing-app/project.properties
@@ -8,4 +8,4 @@
 # project structure.
 
 # Project target.
-target=android-10
+target=android-28
diff --git a/brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java b/brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java
index 06bd320..41796ac 100644
--- a/brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java
+++ b/brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java
@@ -174,7 +174,7 @@ public class BRouterView extends View
       String basedir = fbd.getAbsolutePath();
       AppLogger.log( "using basedir: " + basedir );
 
-      String version = "v1.4.11";
+      String version = "v1.5.0";
 
       // create missing directories
       assertDirectoryExists( "project directory", basedir + "/brouter", null, null );
@@ -807,7 +807,7 @@ public class BRouterView extends View
         else
         {
           String memstat =  memoryClass + "mb pathPeak " + ((cr.getPathPeak()+500)/1000) + "k";
-          String result = "version = BRouter-1.4.11\n" + "mem = " + memstat + "\ndistance = " + cr.getDistance() / 1000. + " km\n" + "filtered ascend = " + cr.getAscend()
+          String result = "version = BRouter-1.5.0\n" + "mem = " + memstat + "\ndistance = " + cr.getDistance() / 1000. + " km\n" + "filtered ascend = " + cr.getAscend()
               + " m\n" + "plain ascend = " + cr.getPlainAscend() + " m\n" + "estimated time = " + cr.getTime();
 
           rawTrack = cr.getFoundRawTrack();
diff --git a/brouter-routing-app/src/main/java/btools/routingapp/BRouterWorker.java b/brouter-routing-app/src/main/java/btools/routingapp/BRouterWorker.java
index cbcb67c..cfd5d4c 100644
--- a/brouter-routing-app/src/main/java/btools/routingapp/BRouterWorker.java
+++ b/brouter-routing-app/src/main/java/btools/routingapp/BRouterWorker.java
@@ -165,6 +165,8 @@ public class BRouterWorker
       n.ilon = (int)( ( lons[i] + 180. ) *1000000. + 0.5);
       n.ilat = (int)( ( lats[i] +  90. ) *1000000. + 0.5);
       n.isNogo = true;
+      n.nogoWeight = Double.NaN;
+      AppLogger.log( "added interface provided nogo: " + n );
       nogoList.add( n );
 	}
   }
diff --git a/brouter-routing-app/src/main/java/btools/routingapp/CoordinateReader.java b/brouter-routing-app/src/main/java/btools/routingapp/CoordinateReader.java
index b15cb28..ccfca86 100644
--- a/brouter-routing-app/src/main/java/btools/routingapp/CoordinateReader.java
+++ b/brouter-routing-app/src/main/java/btools/routingapp/CoordinateReader.java
@@ -140,6 +140,7 @@ public abstract class CoordinateReader
     else if ( n.name != null && n.name.startsWith( "nogo" ) )
     {
       n.isNogo = true;
+      n.nogoWeight = Double.NaN;
       nogopoints.add( n );
     }
 
diff --git a/brouter-server/pom.xml b/brouter-server/pom.xml
index 0d36e4e..cfccc68 100644
--- a/brouter-server/pom.xml
+++ b/brouter-server/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.11</version>
+        <version>1.5.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-server</artifactId>
diff --git a/brouter-server/src/main/java/btools/server/BRouter.java b/brouter-server/src/main/java/btools/server/BRouter.java
index 1481db9..33a96b3 100644
--- a/brouter-server/src/main/java/btools/server/BRouter.java
+++ b/brouter-server/src/main/java/btools/server/BRouter.java
@@ -88,7 +88,7 @@ public class BRouter
       }
       System.exit(0);
     }
-    System.out.println("BRouter 1.4.11 / 02042018");
+    System.out.println("BRouter 1.5.0 / 30062019");
     if ( args.length < 6 )
     {
       System.out.println("Find routes in an OSM map");
diff --git a/brouter-server/src/main/java/btools/server/RouteServer.java b/brouter-server/src/main/java/btools/server/RouteServer.java
index a4536cf..e92c1b8 100644
--- a/brouter-server/src/main/java/btools/server/RouteServer.java
+++ b/brouter-server/src/main/java/btools/server/RouteServer.java
@@ -260,7 +260,7 @@ public class RouteServer extends Thread
 
   public static void main(String[] args) throws Exception
   {
-        System.out.println("BRouter 1.4.11 / 02042018");
+        System.out.println("BRouter 1.5.0 / 30062019");
         if ( args.length != 5 && args.length != 6)
         {
           System.out.println("serve BRouter protocol");
diff --git a/brouter-util/pom.xml b/brouter-util/pom.xml
index 7724d8b..78da59f 100644
--- a/brouter-util/pom.xml
+++ b/brouter-util/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.11</version>
+        <version>1.5.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-util</artifactId>
diff --git a/pom.xml b/pom.xml
index 2a646fe..eae5271 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.btools</groupId>
     <artifactId>brouter</artifactId>
-    <version>1.4.11</version>
+    <version>1.5.0</version>
     <packaging>pom</packaging>
     <url>http://brouter.de/brouter/</url>
     <name>brouter</name>
@@ -53,7 +53,7 @@
                         <genDirectoryAidl>gen</genDirectoryAidl>
                         <extractDuplicates>true</extractDuplicates>
                         <sdk>
-                            <platform>10</platform>
+                            <platform>28</platform>
                         </sdk>
                         <dex>
                             <jvmArguments>