diff --git a/src/site/apt/downloads.apt b/src/site/apt/downloads.apt
index 2474d424e..4fb0c3942 100644
--- a/src/site/apt/downloads.apt
+++ b/src/site/apt/downloads.apt
@@ -7,7 +7,7 @@
 
 Spring Batch Downloads
 
-  The current GA release is <<2.1.0.M3>>, the latest snapshots are <<2.1.0.CI-SNAPSHOT>>.  The version 2.0.x branch is still open for bugfixes (the last release was <<2.0.3.RELEASE>>). The version 1.1.x branch is now in maintenance (the last release was <<1.1.4.RELEASE>>).
+  The current GA release is <<2.1.0.M4>>, the latest snapshots are <<2.1.0.CI-SNAPSHOT>>.  The version 2.0.x branch is still open for bugfixes (the last release was <<2.0.3.RELEASE>>). The version 1.1.x branch is now in maintenance (the last release was <<1.1.4.RELEASE>>).
 
 * Zip Downloads
 
@@ -37,7 +37,7 @@ Spring Batch Downloads
 <dependency>
     <groupId>org.springframework.batch</groupId>
     <artifactId>spring-batch-core</artifactId>
-    <version>2.1.0.M3</version>
+    <version>2.1.0.M4</version>
 </dependency>
 +---------------
 
@@ -70,7 +70,7 @@ Spring Batch Downloads
 <dependency>
     <groupId>org.springframework.batch</groupId>
     <artifactId>org.springframework.batch.core</artifactId>
-    <version>2.1.0.M3</version>
+    <version>2.1.0.M4</version>
 </dependency>
 +---------------
 
@@ -96,7 +96,7 @@ Spring Batch Downloads
 <dependency>
     <groupId>org.springframework.batch</groupId>
     <artifactId>spring-batch-core</artifactId>
-    <version>2.1.0.M3</version>
+    <version>2.1.0.M4</version>
 </dependency>
 +---------------
 
@@ -120,7 +120,7 @@ Spring Batch Downloads
 <dependency>
     <groupId>org.springframework.batch</groupId>
     <artifactId>org.springframework.batch.core</artifactId>
-    <version>2.1.0.M3</version>
+    <version>2.1.0.M4</version>
 </dependency>
 +---------------
 
diff --git a/src/site/apt/migration/2.1.0.M1-2.1.0.M2.apt b/src/site/apt/migration/2.1.0.M1-2.1.0.M2.apt
index dd7d8389f..77c337324 100644
--- a/src/site/apt/migration/2.1.0.M1-2.1.0.M2.apt
+++ b/src/site/apt/migration/2.1.0.M1-2.1.0.M2.apt
@@ -1,4 +1,4 @@
-Spring Batch 2.1.0.M1 Release Notes
+Spring Batch 2.1.0.M2 Release Notes
 
 
 Release Notes - Spring Batch - Version 2.1.0.M2
diff --git a/src/site/apt/migration/2.1.0.M2-2.1.0.M3.apt b/src/site/apt/migration/2.1.0.M2-2.1.0.M3.apt
index 300b5729b..0cf7790b8 100644
--- a/src/site/apt/migration/2.1.0.M2-2.1.0.M3.apt
+++ b/src/site/apt/migration/2.1.0.M2-2.1.0.M3.apt
@@ -1,4 +1,4 @@
-Spring Batch 2.1.0.M1 Release Notes
+Spring Batch 2.1.0.M3 Release Notes
 
 
 Release Notes - Spring Batch - Version 2.1.0.M3
diff --git a/src/site/apt/migration/2.1.0.M3-2.1.0.M4.apt b/src/site/apt/migration/2.1.0.M3-2.1.0.M4.apt
new file mode 100644
index 000000000..c1b7636b0
--- /dev/null
+++ b/src/site/apt/migration/2.1.0.M3-2.1.0.M4.apt
@@ -0,0 +1,36 @@
+Spring Batch 2.1.0.M4 Release Notes
+
+
+Release Notes - Spring Batch - Version 2.1.0.M4
+
+* Sub-task
+
+  * {{{http://jira.springsource.org/browse/BATCH-1456}[BATCH-1456]}} - Detect spring-batch-2.0.xsd and raise an exception in the namespace parsers
+
+  * {{{http://jira.springsource.org/browse/BATCH-1458}[BATCH-1458]}} - Add FlowStep: a Step implementation that executes a flow
+
+* Bug
+
+  * {{{http://jira.springsource.org/browse/BATCH-1460}[BATCH-1460]}} - Rownum clauses are illegal in DerbyPagingQueryProvider (plus additional fix to Oracle)
+
+* Improvement
+
+  * {{{http://jira.springsource.org/browse/BATCH-585}[BATCH-585]}} - Improve coverage of examples of listener implementations in user guide
+
+  * {{{http://jira.springsource.org/browse/BATCH-924}[BATCH-924]}} - BeanWrapperFieldSetMapper could create child objects if they are null when needed
+
+  * {{{http://jira.springsource.org/browse/BATCH-1259}[BATCH-1259]}} - Ensure that skips in the processor cause items to be reprocessed at most once.
+
+* New Feature
+
+  * {{{http://jira.springsource.org/browse/BATCH-992}[BATCH-992]}} - Alternative fault-tolerant step implementation
+
+  * {{{http://jira.springsource.org/browse/BATCH-1372}[BATCH-1372]}} - Namespace support for partitioning
+
+  * {{{http://jira.springsource.org/browse/BATCH-1407}[BATCH-1407]}} - Integration tests for core (including multi-threaded long running tests)
+
+* Task
+
+  * {{{http://jira.springsource.org/browse/BATCH-834}[BATCH-834]}} - Review stop signal handling at JobExecution
+
+  * {{{http://jira.springsource.org/browse/BATCH-1457}[BATCH-1457]}} - remove tiger profile from archetype's pom.xml
diff --git a/src/site/apt/migration/index.apt b/src/site/apt/migration/index.apt
index 04c523b1e..4e09dd32a 100644
--- a/src/site/apt/migration/index.apt
+++ b/src/site/apt/migration/index.apt
@@ -13,6 +13,8 @@
 
   Links:
 
+    * {{{2.1.0.M3-2.1.0.M4.html}2.1.0.M3 to 2.1.0.M4}}
+
     * {{{2.1.0.M2-2.1.0.M3.html}2.1.0.M2 to 2.1.0.M3}}
 
     * {{{2.1.0.M1-2.1.0.M2.html}2.1.0.M1 to 2.1.0.M2}}
diff --git a/src/site/docbook/reference/index.xml b/src/site/docbook/reference/index.xml
index bbb014b64..5af6a0b9e 100644
--- a/src/site/docbook/reference/index.xml
+++ b/src/site/docbook/reference/index.xml
@@ -5,7 +5,7 @@
 	<bookinfo>
 		<title>Spring Batch - Reference Documentation</title>
 
-		<releaseinfo>Spring Batch 2.1.0.M3</releaseinfo>
+		<releaseinfo>Spring Batch 2.1.0.M4</releaseinfo>
 
 		<authorgroup>
 			<author>