diff --git a/README.md b/README.md
index 511cb89..faeedf4 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,8 @@
 JAgent
 ======
+
+[ ![Download](https://api.bintray.com/packages/devexperts/Maven/jagent/images/download.svg) ](https://bintray.com/devexperts/Maven/jagent/_latestVersion)
+
 **JAgent** framework helps you to implement java agents. 
 It has some extra functionality instead of standard Java's API. 
 
diff --git a/jagent-api/pom.xml b/jagent-api/pom.xml
index 7be07a1..3b6536c 100644
--- a/jagent-api/pom.xml
+++ b/jagent-api/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>jagent</artifactId>
         <groupId>com.devexperts.jagent</groupId>
-        <version>1.4-SNAPSHOT</version>
+        <version>1.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/jagent-impl/pom.xml b/jagent-impl/pom.xml
index 3ec168b..3d323d4 100644
--- a/jagent-impl/pom.xml
+++ b/jagent-impl/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>jagent</artifactId>
         <groupId>com.devexperts.jagent</groupId>
-        <version>1.4-SNAPSHOT</version>
+        <version>1.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/jagent-impl/src/main/java/com/devexperts/jagent/CachingClassFileTransformer.java b/jagent-impl/src/main/java/com/devexperts/jagent/CachingClassFileTransformer.java
index 7bb8ce5..5246ca3 100644
--- a/jagent-impl/src/main/java/com/devexperts/jagent/CachingClassFileTransformer.java
+++ b/jagent-impl/src/main/java/com/devexperts/jagent/CachingClassFileTransformer.java
@@ -99,8 +99,10 @@ private void dumpClassIfNeeded(String className, ClassLoader loader, byte[] clas
         if (dumpDir == null)
             return;
         try {
-            Path classPath = Paths.get(dumpDir, className + "#loaderHashCode=" + (loader != null ? loader.hashCode() : null));
-            Files.createDirectories(classPath.getParent());
+            Path classPath = Paths.get(dumpDir, className + "#loaderHashCode="
+                + (loader != null ? loader.hashCode() : null) + ".class");
+            if (classPath.getParent() != null)
+                Files.createDirectories(classPath.getParent());
             Files.write(classPath, classfileBuffer);
             log.debug("Dump class ", className, " loaded by ", loader, " to ", classPath);
         } catch (Exception e) {
diff --git a/jagent-impl/src/main/java/com/devexperts/jagent/JAgent.java b/jagent-impl/src/main/java/com/devexperts/jagent/JAgent.java
index 1bbe350..82049fc 100644
--- a/jagent-impl/src/main/java/com/devexperts/jagent/JAgent.java
+++ b/jagent-impl/src/main/java/com/devexperts/jagent/JAgent.java
@@ -115,6 +115,8 @@ private void redefine(ClassFileTransformer transformer)
         ArrayList<Class> classes = new ArrayList<>();
         HashSet<Class> done = new HashSet<>();
         FastByteBuffer buf = new FastByteBuffer();
+        CachingClassFileTransformer ourTransformer = transformer instanceof CachingClassFileTransformer ?
+            (CachingClassFileTransformer) transformer : null;
         for (int pass = 1; ; pass++) {
             classes.addAll(Arrays.asList(inst.getAllLoadedClasses()));
             List<ClassDefinition> cdl = new ArrayList<>(classes.size());
@@ -125,6 +127,8 @@ private void redefine(ClassFileTransformer transformer)
                 if (!done.add(clazz))
                     continue;
                 String name = clazz.getName().replace('.', '/');
+                if (ourTransformer != null && !ourTransformer.processClass(name, clazz.getClassLoader()))
+                    continue;
                 InputStream is = clazz.getResourceAsStream("/" + name + ".class");
                 buf.clear();
                 if (is != null)
diff --git a/pom.xml b/pom.xml
index a867f0e..81f68a7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>com.devexperts.jagent</groupId>
     <artifactId>jagent</artifactId>
-    <version>1.4-SNAPSHOT</version>
+    <version>1.4</version>
     <packaging>pom</packaging>
 
     <name>JAgent</name>
@@ -169,11 +169,36 @@
                             </execution>
                         </executions>
                     </plugin>
+                    <!-- Configuration for release -->
+                    <plugin>
+                        <groupId>com.devexperts.jgitflow</groupId>
+                        <artifactId>jgitflow-maven-plugin</artifactId>
+                        <version>1.0-m5.1-devexperts</version>
+                        <configuration>
+                            <autoVersionSubmodules>true</autoVersionSubmodules>
+                            <flowInitContext>
+                                <versionTagPrefix>jagent-</versionTagPrefix>
+                            </flowInitContext>
+                            <squash>true</squash>
+                            <scmCommentPrefix>[release] </scmCommentPrefix>
+                        </configuration>
+                    </plugin>
                 </plugins>
             </build>
         </profile>
     </profiles>
 
+    <pluginRepositories>
+        <pluginRepository>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+            <id>bintray-devexperts</id>
+            <name>bintray-plugins</name>
+            <url>http://dl.bintray.com/devexperts/Maven</url>
+        </pluginRepository>
+    </pluginRepositories>
+
     <scm>
         <connection>scm:git:https://stash.in.devexperts.com/scm/dxlab/jagent.git</connection>
         <developerConnection>scm:git:ssh://git@stash.in.devexperts.com:7999/dxlab/jagent.git</developerConnection>
diff --git a/sample/agent/pom.xml b/sample/agent/pom.xml
index de367ad..6cb37e6 100644
--- a/sample/agent/pom.xml
+++ b/sample/agent/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>sample</artifactId>
         <groupId>com.devexperts.jagent.sample</groupId>
-        <version>1.4-SNAPSHOT</version>
+        <version>1.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sample/core/pom.xml b/sample/core/pom.xml
index 3a1be5f..5d8727a 100644
--- a/sample/core/pom.xml
+++ b/sample/core/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>sample</artifactId>
         <groupId>com.devexperts.jagent.sample</groupId>
-        <version>1.4-SNAPSHOT</version>
+        <version>1.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sample/pom.xml b/sample/pom.xml
index 1bd6522..491bafc 100644
--- a/sample/pom.xml
+++ b/sample/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>jagent</artifactId>
         <groupId>com.devexperts.jagent</groupId>
-        <version>1.4-SNAPSHOT</version>
+        <version>1.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sample/test/pom.xml b/sample/test/pom.xml
index 45a5dc0..78b5e72 100644
--- a/sample/test/pom.xml
+++ b/sample/test/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>sample</artifactId>
         <groupId>com.devexperts.jagent.sample</groupId>
-        <version>1.4-SNAPSHOT</version>
+        <version>1.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sample/transformer/pom.xml b/sample/transformer/pom.xml
index 0e6552a..dad15bc 100644
--- a/sample/transformer/pom.xml
+++ b/sample/transformer/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>sample</artifactId>
         <groupId>com.devexperts.jagent.sample</groupId>
-        <version>1.4-SNAPSHOT</version>
+        <version>1.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>