[maven-release-plugin] prepare for next development iteration
diff --git a/openjpa-all/pom.xml b/openjpa-all/pom.xml
index cbf20a3..eb0524e 100644
--- a/openjpa-all/pom.xml
+++ b/openjpa-all/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-all</artifactId>
diff --git a/openjpa-examples/image-gallery/pom.xml b/openjpa-examples/image-gallery/pom.xml
index 5544deb..c0b0f83 100644
--- a/openjpa-examples/image-gallery/pom.xml
+++ b/openjpa-examples/image-gallery/pom.xml
@@ -27,7 +27,7 @@
   <parent>
       <groupId>org.apache.openjpa</groupId>
       <artifactId>openjpa-examples</artifactId>
-      <version>4.0.0</version>
+      <version>4.0.1-SNAPSHOT</version>
   </parent>
 
   <groupId>org.apache.openjpa.openjpa-examples</groupId>
diff --git a/openjpa-examples/openbooks/pom.xml b/openjpa-examples/openbooks/pom.xml
index 5c9b3de..b1a6708 100644
--- a/openjpa-examples/openbooks/pom.xml
+++ b/openjpa-examples/openbooks/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-examples</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <groupId>org.apache.openjpa.openjpa-examples</groupId>
diff --git a/openjpa-examples/pom.xml b/openjpa-examples/pom.xml
index e1eebfa..66b6979 100644
--- a/openjpa-examples/pom.xml
+++ b/openjpa-examples/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-examples</artifactId>
diff --git a/openjpa-examples/simple/pom.xml b/openjpa-examples/simple/pom.xml
index 1ad7560..ad96316 100644
--- a/openjpa-examples/simple/pom.xml
+++ b/openjpa-examples/simple/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-examples</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <groupId>org.apache.openjpa.openjpa-examples</groupId>
diff --git a/openjpa-features/pom.xml b/openjpa-features/pom.xml
index 3326f0c..4e76e28 100644
--- a/openjpa-features/pom.xml
+++ b/openjpa-features/pom.xml
@@ -18,7 +18,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-features</artifactId>
diff --git a/openjpa-integration/daytrader/pom.xml b/openjpa-integration/daytrader/pom.xml
index 15795d0..5182059 100644
--- a/openjpa-integration/daytrader/pom.xml
+++ b/openjpa-integration/daytrader/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-integration</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-integration-daytrader</artifactId>
diff --git a/openjpa-integration/examples/pom.xml b/openjpa-integration/examples/pom.xml
index 512ba1e..90b0a33 100644
--- a/openjpa-integration/examples/pom.xml
+++ b/openjpa-integration/examples/pom.xml
@@ -37,7 +37,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-integration</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-integration-examples</artifactId>
diff --git a/openjpa-integration/jmx/pom.xml b/openjpa-integration/jmx/pom.xml
index 62d2335..59f4b8c 100644
--- a/openjpa-integration/jmx/pom.xml
+++ b/openjpa-integration/jmx/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-integration</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-integration-jmx</artifactId>
diff --git a/openjpa-integration/pom.xml b/openjpa-integration/pom.xml
index 91d5f7c..2907c1b 100644
--- a/openjpa-integration/pom.xml
+++ b/openjpa-integration/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-integration</artifactId>
diff --git a/openjpa-integration/slf4j/pom.xml b/openjpa-integration/slf4j/pom.xml
index c38a2fc..3b73716 100644
--- a/openjpa-integration/slf4j/pom.xml
+++ b/openjpa-integration/slf4j/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-integration</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-integration-slf4j</artifactId>
diff --git a/openjpa-integration/tck/pom.xml b/openjpa-integration/tck/pom.xml
index 44aa267..828e4d3 100644
--- a/openjpa-integration/tck/pom.xml
+++ b/openjpa-integration/tck/pom.xml
@@ -78,7 +78,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-integration</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-integration-tck</artifactId>
diff --git a/openjpa-integration/validation/pom.xml b/openjpa-integration/validation/pom.xml
index 2d85428..1322c06 100644
--- a/openjpa-integration/validation/pom.xml
+++ b/openjpa-integration/validation/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-integration</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-integration-validation</artifactId>
diff --git a/openjpa-jdbc/pom.xml b/openjpa-jdbc/pom.xml
index c3f1450..0a60c5d 100644
--- a/openjpa-jdbc/pom.xml
+++ b/openjpa-jdbc/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-jdbc</artifactId>
diff --git a/openjpa-jest/pom.xml b/openjpa-jest/pom.xml
index 4604c7e..8edf3f0 100644
--- a/openjpa-jest/pom.xml
+++ b/openjpa-jest/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-jest</artifactId>
diff --git a/openjpa-junit5/pom.xml b/openjpa-junit5/pom.xml
index 72994f3..5caee42 100644
--- a/openjpa-junit5/pom.xml
+++ b/openjpa-junit5/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-junit5</artifactId>
diff --git a/openjpa-kernel/pom.xml b/openjpa-kernel/pom.xml
index 6face3e..4236832 100644
--- a/openjpa-kernel/pom.xml
+++ b/openjpa-kernel/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-kernel</artifactId>
diff --git a/openjpa-kubernetes/pom.xml b/openjpa-kubernetes/pom.xml
index b48671d..2e4c31b 100644
--- a/openjpa-kubernetes/pom.xml
+++ b/openjpa-kubernetes/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.apache.openjpa</groupId>
     <artifactId>openjpa-parent</artifactId>
-    <version>4.0.0</version>
+    <version>4.0.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>openjpa-kubernetes</artifactId>
diff --git a/openjpa-lib/pom.xml b/openjpa-lib/pom.xml
index 20522ff..bd1f034 100644
--- a/openjpa-lib/pom.xml
+++ b/openjpa-lib/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-lib</artifactId>
diff --git a/openjpa-persistence-jdbc/pom.xml b/openjpa-persistence-jdbc/pom.xml
index 19a92e9..875427a 100644
--- a/openjpa-persistence-jdbc/pom.xml
+++ b/openjpa-persistence-jdbc/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-persistence-jdbc</artifactId>
diff --git a/openjpa-persistence-locking/pom.xml b/openjpa-persistence-locking/pom.xml
index 937857b..11d512d 100644
--- a/openjpa-persistence-locking/pom.xml
+++ b/openjpa-persistence-locking/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-persistence-locking</artifactId>
diff --git a/openjpa-persistence/pom.xml b/openjpa-persistence/pom.xml
index 7635991..746c5c6 100644
--- a/openjpa-persistence/pom.xml
+++ b/openjpa-persistence/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-persistence</artifactId>
diff --git a/openjpa-project/pom.xml b/openjpa-project/pom.xml
index bc6487e..1e021de 100644
--- a/openjpa-project/pom.xml
+++ b/openjpa-project/pom.xml
@@ -39,7 +39,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>apache-openjpa</artifactId>
diff --git a/openjpa-slice/pom.xml b/openjpa-slice/pom.xml
index 5974a98..8a5c750 100644
--- a/openjpa-slice/pom.xml
+++ b/openjpa-slice/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-slice</artifactId>
diff --git a/openjpa-tools/openjpa-fetch-statistics-was/pom.xml b/openjpa-tools/openjpa-fetch-statistics-was/pom.xml
index b202b50..3da9c8b 100644
--- a/openjpa-tools/openjpa-fetch-statistics-was/pom.xml
+++ b/openjpa-tools/openjpa-fetch-statistics-was/pom.xml
@@ -17,7 +17,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-tools</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-fetch-statistics-was</artifactId>
diff --git a/openjpa-tools/openjpa-fetch-statistics/pom.xml b/openjpa-tools/openjpa-fetch-statistics/pom.xml
index 0ea24ac..f7fb311 100644
--- a/openjpa-tools/openjpa-fetch-statistics/pom.xml
+++ b/openjpa-tools/openjpa-fetch-statistics/pom.xml
@@ -17,7 +17,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-tools</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-fetch-statistics</artifactId>
diff --git a/openjpa-tools/openjpa-maven-plugin/pom.xml b/openjpa-tools/openjpa-maven-plugin/pom.xml
index a1f4478..6d6081d 100644
--- a/openjpa-tools/openjpa-maven-plugin/pom.xml
+++ b/openjpa-tools/openjpa-maven-plugin/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-tools</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/openjpa-tools/pom.xml b/openjpa-tools/pom.xml
index 4ba314d..ca493b3 100644
--- a/openjpa-tools/pom.xml
+++ b/openjpa-tools/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
 <!--        <relativePath>../pom.xml</relativePath>-->
     </parent>
 
diff --git a/openjpa-xmlstore/pom.xml b/openjpa-xmlstore/pom.xml
index fbc1ee4..b29250a 100644
--- a/openjpa-xmlstore/pom.xml
+++ b/openjpa-xmlstore/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa-xmlstore</artifactId>
diff --git a/openjpa/pom.xml b/openjpa/pom.xml
index 2cc93f9..a69e10b 100644
--- a/openjpa/pom.xml
+++ b/openjpa/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.openjpa</groupId>
         <artifactId>openjpa-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>openjpa</artifactId>
diff --git a/pom.xml b/pom.xml
index 6cc21c4..67cc2aa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,7 +35,7 @@
     <name>OpenJPA Parent POM</name>
     <description>Apache OpenJPA implementation of Jakarta JPA 3.1</description>
 
-    <version>4.0.0</version>
+    <version>4.0.1-SNAPSHOT</version>
 
     <properties>
         <java.class.version>11</java.class.version>
@@ -175,7 +175,7 @@
         <connection>scm:git:https://gitbox.apache.org/repos/asf/openjpa.git</connection>
         <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/openjpa.git</developerConnection>
         <url>https://gitbox.apache.org/repos/asf/openjpa.git</url>
-      <tag>4.0.0</tag>
+      <tag>HEAD</tag>
   </scm>
 
     <modules>