[maven-release-plugin] prepare release maven-3.8.4
diff --git a/apache-maven/pom.xml b/apache-maven/pom.xml
index 5f713bb..1c979bc 100644
--- a/apache-maven/pom.xml
+++ b/apache-maven/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>apache-maven</artifactId>
diff --git a/maven-artifact/pom.xml b/maven-artifact/pom.xml
index 68af732..2ddb8c7 100644
--- a/maven-artifact/pom.xml
+++ b/maven-artifact/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-artifact</artifactId>
diff --git a/maven-builder-support/pom.xml b/maven-builder-support/pom.xml
index 897fe18..d33e3b1 100644
--- a/maven-builder-support/pom.xml
+++ b/maven-builder-support/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-builder-support</artifactId>
diff --git a/maven-compat/pom.xml b/maven-compat/pom.xml
index 221bf2c..d952645 100644
--- a/maven-compat/pom.xml
+++ b/maven-compat/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-compat</artifactId>
diff --git a/maven-core/pom.xml b/maven-core/pom.xml
index 86aea1f..32fb86f 100644
--- a/maven-core/pom.xml
+++ b/maven-core/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-core</artifactId>
diff --git a/maven-embedder/pom.xml b/maven-embedder/pom.xml
index af2cd81..f732b89 100644
--- a/maven-embedder/pom.xml
+++ b/maven-embedder/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-embedder</artifactId>
diff --git a/maven-model-builder/pom.xml b/maven-model-builder/pom.xml
index e08f1af..485553d 100644
--- a/maven-model-builder/pom.xml
+++ b/maven-model-builder/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-model-builder</artifactId>
diff --git a/maven-model/pom.xml b/maven-model/pom.xml
index f7e07c8..007ecbc 100644
--- a/maven-model/pom.xml
+++ b/maven-model/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-model</artifactId>
diff --git a/maven-plugin-api/pom.xml b/maven-plugin-api/pom.xml
index 630a46c..0c399f4 100644
--- a/maven-plugin-api/pom.xml
+++ b/maven-plugin-api/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-plugin-api</artifactId>
diff --git a/maven-repository-metadata/pom.xml b/maven-repository-metadata/pom.xml
index 0c9e531..9caa582 100644
--- a/maven-repository-metadata/pom.xml
+++ b/maven-repository-metadata/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-repository-metadata</artifactId>
diff --git a/maven-resolver-provider/pom.xml b/maven-resolver-provider/pom.xml
index f941dd0..cb3c950 100644
--- a/maven-resolver-provider/pom.xml
+++ b/maven-resolver-provider/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-resolver-provider</artifactId>
diff --git a/maven-settings-builder/pom.xml b/maven-settings-builder/pom.xml
index 2ffbd94..3a53bd9 100644
--- a/maven-settings-builder/pom.xml
+++ b/maven-settings-builder/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-settings-builder</artifactId>
diff --git a/maven-settings/pom.xml b/maven-settings/pom.xml
index c585d57..b2e5ef8 100644
--- a/maven-settings/pom.xml
+++ b/maven-settings/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-settings</artifactId>
diff --git a/maven-slf4j-provider/pom.xml b/maven-slf4j-provider/pom.xml
index e63956f..e848870 100644
--- a/maven-slf4j-provider/pom.xml
+++ b/maven-slf4j-provider/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven</artifactId>
-    <version>3.8.4-SNAPSHOT</version>
+    <version>3.8.4</version>
   </parent>
 
   <artifactId>maven-slf4j-provider</artifactId>
diff --git a/pom.xml b/pom.xml
index 02b9cc9..e739a02 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
   </parent>
 
   <artifactId>maven</artifactId>
-  <version>3.8.4-SNAPSHOT</version>
+  <version>3.8.4</version>
   <packaging>pom</packaging>
 
   <name>Apache Maven</name>
@@ -77,7 +77,7 @@
     <maven.site.path>ref/3-LATEST</maven.site.path>
     <checkstyle.violation.ignore>None</checkstyle.violation.ignore>
     <checkstyle.excludes>**/package-info.java</checkstyle.excludes>
-    <project.build.outputTimestamp>2021-09-27T18:28:35Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2021-11-14T09:12:47Z</project.build.outputTimestamp>
   </properties>
 
   <modules>
@@ -101,7 +101,7 @@
     <connection>scm:git:https://gitbox.apache.org/repos/asf/maven.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/maven.git</developerConnection>
     <url>https://github.com/apache/maven/tree/${project.scm.tag}</url>
-    <tag>maven-3.8.3</tag>
+    <tag>maven-3.8.4</tag>
   </scm>
   <issueManagement>
     <system>jira</system>