diff --git a/applications/processor/aggregator-processor/pom.xml b/applications/processor/aggregator-processor/pom.xml
index 562190c5..c543d0ca 100644
--- a/applications/processor/aggregator-processor/pom.xml
+++ b/applications/processor/aggregator-processor/pom.xml
@@ -6,12 +6,12 @@
     <artifactId>aggregator-processor</artifactId>
     <name>aggregator-processor</name>
     <description>aggregator processor apps</description>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
 
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/processor/bridge-processor/pom.xml b/applications/processor/bridge-processor/pom.xml
index 73d3426a..02397127 100644
--- a/applications/processor/bridge-processor/pom.xml
+++ b/applications/processor/bridge-processor/pom.xml
@@ -6,12 +6,12 @@
     <artifactId>bridge-processor</artifactId>
     <name>bridge-processor</name>
     <description>bridge processor apps</description>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
 
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/processor/filter-processor/pom.xml b/applications/processor/filter-processor/pom.xml
index 15558617..161384fe 100644
--- a/applications/processor/filter-processor/pom.xml
+++ b/applications/processor/filter-processor/pom.xml
@@ -6,12 +6,12 @@
     <artifactId>filter-processor</artifactId>
     <name>filter-processor</name>
     <description>filter processor apps</description>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
 
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/processor/groovy-processor/pom.xml b/applications/processor/groovy-processor/pom.xml
index 4ae0ba39..b852df61 100644
--- a/applications/processor/groovy-processor/pom.xml
+++ b/applications/processor/groovy-processor/pom.xml
@@ -6,12 +6,12 @@
     <artifactId>groovy-processor</artifactId>
     <name>groovy-processor</name>
     <description>groovy processor apps</description>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
 
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/processor/header-enricher-processor/pom.xml b/applications/processor/header-enricher-processor/pom.xml
index 4e4cd226..23564eb3 100644
--- a/applications/processor/header-enricher-processor/pom.xml
+++ b/applications/processor/header-enricher-processor/pom.xml
@@ -6,12 +6,12 @@
     <artifactId>header-enricher-processor</artifactId>
     <name>header-enricher-processor</name>
     <description>header-enricher processor apps</description>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
 
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/processor/http-request-processor/pom.xml b/applications/processor/http-request-processor/pom.xml
index e414bbf7..62a42e6b 100644
--- a/applications/processor/http-request-processor/pom.xml
+++ b/applications/processor/http-request-processor/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>http-request-processor</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>http-request-processor</name>
     <description>HTTP request processor apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/processor/image-recognition-processor/pom.xml b/applications/processor/image-recognition-processor/pom.xml
index 8aaed19b..3098a1a7 100644
--- a/applications/processor/image-recognition-processor/pom.xml
+++ b/applications/processor/image-recognition-processor/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>image-recognition-processor</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>image-recognition-processor</name>
     <description>Image recognition (tensorflow) processor apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/processor/object-detection-processor/pom.xml b/applications/processor/object-detection-processor/pom.xml
index 7c265cdc..89251c1d 100644
--- a/applications/processor/object-detection-processor/pom.xml
+++ b/applications/processor/object-detection-processor/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>object-detection-processor</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>object-detection-processor</name>
     <description>Object Detection (tensorflow) processor apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/processor/pom.xml b/applications/processor/pom.xml
index ff657f53..c434bb7e 100644
--- a/applications/processor/pom.xml
+++ b/applications/processor/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>org.springframework.cloud.stream.app</groupId>
     <artifactId>processor</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <packaging>pom</packaging>
 
     <modules>
diff --git a/applications/processor/script-processor/pom.xml b/applications/processor/script-processor/pom.xml
index e5aff796..9ce3237b 100644
--- a/applications/processor/script-processor/pom.xml
+++ b/applications/processor/script-processor/pom.xml
@@ -6,12 +6,12 @@
     <artifactId>script-processor</artifactId>
     <name>script-processor</name>
     <description>script processor apps</description>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
 
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/processor/semantic-segmentation-processor/pom.xml b/applications/processor/semantic-segmentation-processor/pom.xml
index 083d51fc..d1c12b05 100644
--- a/applications/processor/semantic-segmentation-processor/pom.xml
+++ b/applications/processor/semantic-segmentation-processor/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>semantic-segmentation-processor</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>semantic-segmentation-processor</name>
     <description>Semantic Segmentation (tensorflow) processor apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/processor/splitter-processor/pom.xml b/applications/processor/splitter-processor/pom.xml
index b2bb9a7c..c2a8bf60 100644
--- a/applications/processor/splitter-processor/pom.xml
+++ b/applications/processor/splitter-processor/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>splitter-processor</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>splitter-processor</name>
     <description>splitter processor apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/processor/transform-processor/pom.xml b/applications/processor/transform-processor/pom.xml
index 72504039..5e419d76 100644
--- a/applications/processor/transform-processor/pom.xml
+++ b/applications/processor/transform-processor/pom.xml
@@ -3,7 +3,7 @@
 		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>transform-processor</artifactId>
-	<version>3.0.0-SNAPSHOT</version>
+	<version>3.0.0-M4</version>
 	<name>transform-processor</name>
 	<description>transform processor apps</description>
 	<packaging>jar</packaging>
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.stream.app</groupId>
 		<artifactId>stream-applications-core</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/applications/processor/twitter-trend-processor/pom.xml b/applications/processor/twitter-trend-processor/pom.xml
index d665bc54..e83f60f9 100644
--- a/applications/processor/twitter-trend-processor/pom.xml
+++ b/applications/processor/twitter-trend-processor/pom.xml
@@ -6,12 +6,12 @@
     <artifactId>twitter-trend-processor</artifactId>
     <name>twitter-trend-processor</name>
     <description>twitter trend processor apps</description>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
 
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/analytics-sink/pom.xml b/applications/sink/analytics-sink/pom.xml
index be06fa2f..7cb1178e 100644
--- a/applications/sink/analytics-sink/pom.xml
+++ b/applications/sink/analytics-sink/pom.xml
@@ -4,7 +4,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>analytics-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>analytics-sink</name>
     <description>Analytics sink apps</description>
     <packaging>jar</packaging>
@@ -12,7 +12,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/cassandra-sink/pom.xml b/applications/sink/cassandra-sink/pom.xml
index d3a3e47a..6a563fc4 100644
--- a/applications/sink/cassandra-sink/pom.xml
+++ b/applications/sink/cassandra-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cassandra-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>cassandra-sink</name>
     <description>cassandra sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/elasticsearch-sink/pom.xml b/applications/sink/elasticsearch-sink/pom.xml
index fb8de1a6..5fc069b3 100644
--- a/applications/sink/elasticsearch-sink/pom.xml
+++ b/applications/sink/elasticsearch-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>elasticsearch-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>elasticsearch-sink</name>
     <description>elasticsearch sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/file-sink/pom.xml b/applications/sink/file-sink/pom.xml
index 18e5ef9b..57e62cc6 100644
--- a/applications/sink/file-sink/pom.xml
+++ b/applications/sink/file-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>file-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>file-sink</name>
     <description>file sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/ftp-sink/pom.xml b/applications/sink/ftp-sink/pom.xml
index 65d1b628..9434cb1e 100644
--- a/applications/sink/ftp-sink/pom.xml
+++ b/applications/sink/ftp-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ftp-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>ftp-sink</name>
     <description>ftp sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/geode-sink/pom.xml b/applications/sink/geode-sink/pom.xml
index 418c9a84..73158b7f 100644
--- a/applications/sink/geode-sink/pom.xml
+++ b/applications/sink/geode-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>geode-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>geode-sink</name>
     <description>Geode sink app</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/jdbc-sink/pom.xml b/applications/sink/jdbc-sink/pom.xml
index ad6739ac..2900ef71 100644
--- a/applications/sink/jdbc-sink/pom.xml
+++ b/applications/sink/jdbc-sink/pom.xml
@@ -4,7 +4,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>jdbc-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>jdbc-sink</name>
     <description>jdbc sink apps</description>
     <packaging>jar</packaging>
@@ -12,7 +12,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/log-sink/pom.xml b/applications/sink/log-sink/pom.xml
index 6ea3365b..c9c9da84 100644
--- a/applications/sink/log-sink/pom.xml
+++ b/applications/sink/log-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>log-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>log-sink</name>
     <description>log sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/mongodb-sink/pom.xml b/applications/sink/mongodb-sink/pom.xml
index 7d6c0ff8..fa4a45de 100644
--- a/applications/sink/mongodb-sink/pom.xml
+++ b/applications/sink/mongodb-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>mongodb-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>mongodb-sink</name>
     <description>mongodb sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/mqtt-sink/pom.xml b/applications/sink/mqtt-sink/pom.xml
index 0bcf80ff..95067178 100644
--- a/applications/sink/mqtt-sink/pom.xml
+++ b/applications/sink/mqtt-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>mqtt-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>mqtt-sink</name>
     <description>mqtt sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/pgcopy-sink/pom.xml b/applications/sink/pgcopy-sink/pom.xml
index 49bc3761..ddd8f77b 100644
--- a/applications/sink/pgcopy-sink/pom.xml
+++ b/applications/sink/pgcopy-sink/pom.xml
@@ -3,7 +3,7 @@
 		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>pgcopy-sink</artifactId>
-	<version>3.0.0-SNAPSHOT</version>
+	<version>3.0.0-M4</version>
 	<name>pgcopy-sink</name>
 	<description>pgcopy sink apps</description>
 	<packaging>jar</packaging>
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.stream.app</groupId>
 		<artifactId>stream-applications-core</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/applications/sink/pom.xml b/applications/sink/pom.xml
index e33c6578..8c84cb47 100644
--- a/applications/sink/pom.xml
+++ b/applications/sink/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>org.springframework.cloud.stream.app</groupId>
     <artifactId>sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <packaging>pom</packaging>
 
     <modules>
diff --git a/applications/sink/rabbit-sink/pom.xml b/applications/sink/rabbit-sink/pom.xml
index bc3bf69e..93acb007 100644
--- a/applications/sink/rabbit-sink/pom.xml
+++ b/applications/sink/rabbit-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>rabbit-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>rabbit-sink</name>
     <description>rabbit sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/redis-sink/pom.xml b/applications/sink/redis-sink/pom.xml
index 52cf7348..8f206b40 100644
--- a/applications/sink/redis-sink/pom.xml
+++ b/applications/sink/redis-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>redis-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>redis-sink</name>
     <description>redis sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/router-sink/pom.xml b/applications/sink/router-sink/pom.xml
index d1902857..3a4728c1 100644
--- a/applications/sink/router-sink/pom.xml
+++ b/applications/sink/router-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>router-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>router-sink</name>
     <description>log sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/rsocket-sink/pom.xml b/applications/sink/rsocket-sink/pom.xml
index a6b5e939..58da2a04 100644
--- a/applications/sink/rsocket-sink/pom.xml
+++ b/applications/sink/rsocket-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>rsocket-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>rsocket-sink</name>
     <description>RSocket sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/s3-sink/pom.xml b/applications/sink/s3-sink/pom.xml
index 285df502..3981564c 100644
--- a/applications/sink/s3-sink/pom.xml
+++ b/applications/sink/s3-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>s3-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>s3-sink</name>
     <description>s3 sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/sftp-sink/pom.xml b/applications/sink/sftp-sink/pom.xml
index c3910744..e346060a 100644
--- a/applications/sink/sftp-sink/pom.xml
+++ b/applications/sink/sftp-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sftp-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>sftp-sink</name>
     <description>sftp sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/tasklauncher-sink/pom.xml b/applications/sink/tasklauncher-sink/pom.xml
index ba49d4b6..80a65bb1 100644
--- a/applications/sink/tasklauncher-sink/pom.xml
+++ b/applications/sink/tasklauncher-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>tasklauncher-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>tasklauncher-sink</name>
     <description>tasklauncher sink app</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/tcp-sink/pom.xml b/applications/sink/tcp-sink/pom.xml
index 67a3d56f..dc8d2f91 100644
--- a/applications/sink/tcp-sink/pom.xml
+++ b/applications/sink/tcp-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>tcp-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>tcp-sink</name>
     <description>tcp sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/throughput-sink/pom.xml b/applications/sink/throughput-sink/pom.xml
index e7c5b79b..2ef2568d 100644
--- a/applications/sink/throughput-sink/pom.xml
+++ b/applications/sink/throughput-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>throughput-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>throughput-sink</name>
     <description>throughput sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/twitter-message-sink/pom.xml b/applications/sink/twitter-message-sink/pom.xml
index 9c1f8dd1..bd924a22 100644
--- a/applications/sink/twitter-message-sink/pom.xml
+++ b/applications/sink/twitter-message-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>twitter-message-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>twitter-message-sink</name>
     <description>twitter message sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/twitter-update-sink/pom.xml b/applications/sink/twitter-update-sink/pom.xml
index 14d68b49..3acf1db5 100644
--- a/applications/sink/twitter-update-sink/pom.xml
+++ b/applications/sink/twitter-update-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>twitter-update-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>twitter-update-sink</name>
     <description>twitter update sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/sink/wavefront-sink/pom.xml b/applications/sink/wavefront-sink/pom.xml
index 4f920645..4fd91948 100644
--- a/applications/sink/wavefront-sink/pom.xml
+++ b/applications/sink/wavefront-sink/pom.xml
@@ -3,7 +3,7 @@
 		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>wavefront-sink</artifactId>
-	<version>3.0.0-SNAPSHOT</version>
+	<version>3.0.0-M4</version>
 	<name>wavefront-sink</name>
 	<description>Wavefront sink app</description>
 	<packaging>jar</packaging>
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.stream.app</groupId>
 		<artifactId>stream-applications-core</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/applications/sink/websocket-sink/pom.xml b/applications/sink/websocket-sink/pom.xml
index 8f485b41..a1d77726 100644
--- a/applications/sink/websocket-sink/pom.xml
+++ b/applications/sink/websocket-sink/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>websocket-sink</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>websocket-sink</name>
     <description>websocket sink apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/cdc-debezium-source/pom.xml b/applications/source/cdc-debezium-source/pom.xml
index ff78951a..a45b9c58 100644
--- a/applications/source/cdc-debezium-source/pom.xml
+++ b/applications/source/cdc-debezium-source/pom.xml
@@ -2,11 +2,12 @@
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
 		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
+	<version>3.0.0-M4</version>
 
 	<parent>
 		<groupId>org.springframework.cloud.stream.app</groupId>
 		<artifactId>stream-applications-core</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M4</version>
 		<relativePath/>
 	</parent>
 
@@ -96,7 +97,7 @@
 		<dependency>
 			<groupId>org.springframework.cloud.fn</groupId>
 			<artifactId>cdc-debezium-boot-starter</artifactId>
-			<version>1.0.0-SNAPSHOT</version>
+			<version>1.0.0-M4</version>
 			<scope>test</scope>
 		</dependency>
 
diff --git a/applications/source/file-source/pom.xml b/applications/source/file-source/pom.xml
index 934354d3..3007dc28 100644
--- a/applications/source/file-source/pom.xml
+++ b/applications/source/file-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>file-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>file-source</name>
     <description>file source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/ftp-source/pom.xml b/applications/source/ftp-source/pom.xml
index 9a53e027..f8687d36 100644
--- a/applications/source/ftp-source/pom.xml
+++ b/applications/source/ftp-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ftp-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>ftp-source</name>
     <description>ftp source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/geode-source/pom.xml b/applications/source/geode-source/pom.xml
index b65498b5..134b5762 100644
--- a/applications/source/geode-source/pom.xml
+++ b/applications/source/geode-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>geode-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>geode-source</name>
     <description>Geode source app</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/http-source/pom.xml b/applications/source/http-source/pom.xml
index fa8b4d33..1a8d80b0 100644
--- a/applications/source/http-source/pom.xml
+++ b/applications/source/http-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>http-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>http-source</name>
     <description>http source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
     </parent>
 
     <dependencies>
diff --git a/applications/source/jdbc-source/pom.xml b/applications/source/jdbc-source/pom.xml
index c5d4beac..33ada9a3 100644
--- a/applications/source/jdbc-source/pom.xml
+++ b/applications/source/jdbc-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>jdbc-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>jdbc-source</name>
     <description>JDBC source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/jms-source/pom.xml b/applications/source/jms-source/pom.xml
index bcfdc75a..0a5cd043 100644
--- a/applications/source/jms-source/pom.xml
+++ b/applications/source/jms-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>jms-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>jms-source</name>
     <description>jms source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/load-generator-source/pom.xml b/applications/source/load-generator-source/pom.xml
index e23b2d98..4e5f1579 100644
--- a/applications/source/load-generator-source/pom.xml
+++ b/applications/source/load-generator-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>load-generator-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>load-generator-source</name>
     <description>load-generator source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/mail-source/pom.xml b/applications/source/mail-source/pom.xml
index ae58432d..92079f98 100644
--- a/applications/source/mail-source/pom.xml
+++ b/applications/source/mail-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>mail-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>mail-source</name>
     <description>mail source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/mongodb-source/pom.xml b/applications/source/mongodb-source/pom.xml
index 12109015..bb33e959 100644
--- a/applications/source/mongodb-source/pom.xml
+++ b/applications/source/mongodb-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>mongodb-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>mongodb-source</name>
     <description>mongodb source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/mqtt-source/pom.xml b/applications/source/mqtt-source/pom.xml
index 91dfe890..43f2699b 100644
--- a/applications/source/mqtt-source/pom.xml
+++ b/applications/source/mqtt-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>mqtt-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>mqtt-source</name>
     <description>mqtt source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/pom.xml b/applications/source/pom.xml
index c61bb6d3..857e68f2 100644
--- a/applications/source/pom.xml
+++ b/applications/source/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>org.springframework.cloud.stream.app</groupId>
     <artifactId>source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <packaging>pom</packaging>
 
     <modules>
diff --git a/applications/source/rabbit-source/pom.xml b/applications/source/rabbit-source/pom.xml
index 29a84ae8..9dde5660 100644
--- a/applications/source/rabbit-source/pom.xml
+++ b/applications/source/rabbit-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>rabbit-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>rabbit-source</name>
     <description>Rabbit source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/s3-source/pom.xml b/applications/source/s3-source/pom.xml
index 64016ee3..816a3c57 100644
--- a/applications/source/s3-source/pom.xml
+++ b/applications/source/s3-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>s3-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>s3-source</name>
     <description>s3 source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/sftp-source/pom.xml b/applications/source/sftp-source/pom.xml
index 0e799db0..624fbd0a 100644
--- a/applications/source/sftp-source/pom.xml
+++ b/applications/source/sftp-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sftp-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>sftp-source</name>
     <description>sftp source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/syslog-source/pom.xml b/applications/source/syslog-source/pom.xml
index fea1adc2..9c3c00cc 100644
--- a/applications/source/syslog-source/pom.xml
+++ b/applications/source/syslog-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>syslog-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>syslog-source</name>
     <description>syslog source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/tcp-source/pom.xml b/applications/source/tcp-source/pom.xml
index 7bec4ce3..969bc098 100644
--- a/applications/source/tcp-source/pom.xml
+++ b/applications/source/tcp-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>tcp-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>tcp-source</name>
     <description>tcp source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/time-source/pom.xml b/applications/source/time-source/pom.xml
index 835aa644..6e29d98e 100644
--- a/applications/source/time-source/pom.xml
+++ b/applications/source/time-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>time-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>time-source</name>
     <description>time source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/twitter-message-source/pom.xml b/applications/source/twitter-message-source/pom.xml
index c2af23ad..31c573c5 100644
--- a/applications/source/twitter-message-source/pom.xml
+++ b/applications/source/twitter-message-source/pom.xml
@@ -3,7 +3,7 @@
 		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>twitter-message-source</artifactId>
-	<version>3.0.0-SNAPSHOT</version>
+	<version>3.0.0-M4</version>
 	<name>twitter-message-source</name>
 	<description>twitter message source apps</description>
 	<packaging>jar</packaging>
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.cloud.stream.app</groupId>
 		<artifactId>stream-applications-core</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.0.0-M4</version>
 		<relativePath/>
 	</parent>
 
diff --git a/applications/source/twitter-search-source/pom.xml b/applications/source/twitter-search-source/pom.xml
index 0125ab73..cbb1f70c 100644
--- a/applications/source/twitter-search-source/pom.xml
+++ b/applications/source/twitter-search-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>twitter-search-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>twitter-search-source</name>
     <description>twitter search source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/twitter-stream-source/pom.xml b/applications/source/twitter-stream-source/pom.xml
index ca0ec63a..b93d3ea4 100644
--- a/applications/source/twitter-stream-source/pom.xml
+++ b/applications/source/twitter-stream-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>twitter-stream-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>twitter-stream-source</name>
     <description>twitter stream source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>
 
diff --git a/applications/source/websocket-source/pom.xml b/applications/source/websocket-source/pom.xml
index b7cc3c7a..cddc2e6c 100644
--- a/applications/source/websocket-source/pom.xml
+++ b/applications/source/websocket-source/pom.xml
@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>websocket-source</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0-M4</version>
     <name>websocket-source</name>
     <description>websocket source apps</description>
     <packaging>jar</packaging>
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.cloud.stream.app</groupId>
         <artifactId>stream-applications-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>3.0.0-M4</version>
         <relativePath/>
     </parent>