[maven-release-plugin] prepare release druid-0.20.0-rc2
diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index cf0b98a..7ef8513 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -27,7 +27,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
   </parent>
 
   <prerequisites>
diff --git a/cloud/aws-common/pom.xml b/cloud/aws-common/pom.xml
index a8ac843..3a9406e 100644
--- a/cloud/aws-common/pom.xml
+++ b/cloud/aws-common/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/cloud/gcp-common/pom.xml b/cloud/gcp-common/pom.xml
index 942706a..977e736 100644
--- a/cloud/gcp-common/pom.xml
+++ b/cloud/gcp-common/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/core/pom.xml b/core/pom.xml
index 86dcd3c..8e4542b 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -18,9 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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>
 
@@ -31,7 +29,7 @@
   <parent>
     <artifactId>druid</artifactId>
     <groupId>org.apache.druid</groupId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
   </parent>
 
   <properties>
diff --git a/distribution/pom.xml b/distribution/pom.xml
index 691bb48..461b3af 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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>
 
     <packaging>pom</packaging>
@@ -31,7 +30,7 @@
     <parent>
         <artifactId>druid</artifactId>
         <groupId>org.apache.druid</groupId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <dependencies>
@@ -177,7 +176,7 @@
                                     <executable>java</executable>
                                     <arguments>
                                         <argument>-classpath</argument>
-                                        <classpath/>
+                                        <classpath />
                                         <argument>-Ddruid.extensions.loadList=[]</argument>
                                         <argument>-Ddruid.extensions.directory=${project.build.directory}/extensions
                                         </argument>
@@ -368,7 +367,7 @@
                                     <executable>java</executable>
                                     <arguments>
                                         <argument>-classpath</argument>
-                                        <classpath/>
+                                        <classpath />
                                         <argument>-Ddruid.extensions.loadList=[]</argument>
                                         <argument>-Ddruid.extensions.directory=${project.build.directory}/extensions
                                         </argument>
diff --git a/extendedset/pom.xml b/extendedset/pom.xml
index 41e154d..a35c12a 100755
--- a/extendedset/pom.xml
+++ b/extendedset/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<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/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <artifactId>extendedset</artifactId>
@@ -32,7 +31,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
   </parent>
 
   <dependencies>
diff --git a/extensions-contrib/aliyun-oss-extensions/pom.xml b/extensions-contrib/aliyun-oss-extensions/pom.xml
index 9659240..b93daa5 100644
--- a/extensions-contrib/aliyun-oss-extensions/pom.xml
+++ b/extensions-contrib/aliyun-oss-extensions/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.apache.druid.extensions.contrib</groupId>
     <artifactId>aliyun-oss-extensions</artifactId>
@@ -29,7 +28,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   
diff --git a/extensions-contrib/ambari-metrics-emitter/pom.xml b/extensions-contrib/ambari-metrics-emitter/pom.xml
index 7e48add..bf55302 100644
--- a/extensions-contrib/ambari-metrics-emitter/pom.xml
+++ b/extensions-contrib/ambari-metrics-emitter/pom.xml
@@ -18,14 +18,13 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-contrib/cassandra-storage/pom.xml b/extensions-contrib/cassandra-storage/pom.xml
index 631df4f..bd9c32b 100644
--- a/extensions-contrib/cassandra-storage/pom.xml
+++ b/extensions-contrib/cassandra-storage/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-contrib/cloudfiles-extensions/pom.xml b/extensions-contrib/cloudfiles-extensions/pom.xml
index e79d844..cab7b5b 100644
--- a/extensions-contrib/cloudfiles-extensions/pom.xml
+++ b/extensions-contrib/cloudfiles-extensions/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
-         xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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>
 
     <groupId>org.apache.druid.extensions.contrib</groupId>
@@ -30,7 +29,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-contrib/distinctcount/pom.xml b/extensions-contrib/distinctcount/pom.xml
index 507cc52..ca53e48 100644
--- a/extensions-contrib/distinctcount/pom.xml
+++ b/extensions-contrib/distinctcount/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>org.apache.druid.extensions.contrib</groupId>
@@ -30,7 +29,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-contrib/dropwizard-emitter/pom.xml b/extensions-contrib/dropwizard-emitter/pom.xml
index 6959129..3306815 100644
--- a/extensions-contrib/dropwizard-emitter/pom.xml
+++ b/extensions-contrib/dropwizard-emitter/pom.xml
@@ -18,14 +18,13 @@
   ~ under the License.
   -->
 
-<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/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-contrib/gce-extensions/pom.xml b/extensions-contrib/gce-extensions/pom.xml
index db64e27..16b20ee 100644
--- a/extensions-contrib/gce-extensions/pom.xml
+++ b/extensions-contrib/gce-extensions/pom.xml
@@ -17,12 +17,11 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/extensions-contrib/graphite-emitter/pom.xml b/extensions-contrib/graphite-emitter/pom.xml
index 7b1963e..b0f29d6 100644
--- a/extensions-contrib/graphite-emitter/pom.xml
+++ b/extensions-contrib/graphite-emitter/pom.xml
@@ -18,14 +18,13 @@
   ~ under the License.
   -->
 
-<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/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-contrib/influx-extensions/pom.xml b/extensions-contrib/influx-extensions/pom.xml
index 397d6e3..e9431c5 100644
--- a/extensions-contrib/influx-extensions/pom.xml
+++ b/extensions-contrib/influx-extensions/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>org.apache.druid.extensions.contrib</groupId>
@@ -30,7 +29,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-contrib/influxdb-emitter/pom.xml b/extensions-contrib/influxdb-emitter/pom.xml
index 98c380c..32ce2f1 100644
--- a/extensions-contrib/influxdb-emitter/pom.xml
+++ b/extensions-contrib/influxdb-emitter/pom.xml
@@ -18,9 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
     <groupId>org.apache.druid.extensions.contrib</groupId>
     <artifactId>druid-influxdb-emitter</artifactId>
@@ -30,7 +28,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-contrib/kafka-emitter/pom.xml b/extensions-contrib/kafka-emitter/pom.xml
index 663f646..6f5ddb7 100644
--- a/extensions-contrib/kafka-emitter/pom.xml
+++ b/extensions-contrib/kafka-emitter/pom.xml
@@ -18,14 +18,13 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-contrib/materialized-view-maintenance/pom.xml b/extensions-contrib/materialized-view-maintenance/pom.xml
index 3cbf9a3..b8ae8f7 100644
--- a/extensions-contrib/materialized-view-maintenance/pom.xml
+++ b/extensions-contrib/materialized-view-maintenance/pom.xml
@@ -18,13 +18,11 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>druid</artifactId>
         <groupId>org.apache.druid</groupId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/extensions-contrib/materialized-view-selection/pom.xml b/extensions-contrib/materialized-view-selection/pom.xml
index 0f89ab7..a9eb375 100644
--- a/extensions-contrib/materialized-view-selection/pom.xml
+++ b/extensions-contrib/materialized-view-selection/pom.xml
@@ -18,13 +18,11 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>druid</artifactId>
         <groupId>org.apache.druid</groupId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/extensions-contrib/momentsketch/pom.xml b/extensions-contrib/momentsketch/pom.xml
index acab207..af28f3b 100644
--- a/extensions-contrib/momentsketch/pom.xml
+++ b/extensions-contrib/momentsketch/pom.xml
@@ -18,13 +18,11 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>druid</artifactId>
         <groupId>org.apache.druid</groupId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/extensions-contrib/moving-average-query/pom.xml b/extensions-contrib/moving-average-query/pom.xml
index ef7d791..70767fc 100644
--- a/extensions-contrib/moving-average-query/pom.xml
+++ b/extensions-contrib/moving-average-query/pom.xml
@@ -17,15 +17,14 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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>
 
 
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-contrib/opentsdb-emitter/pom.xml b/extensions-contrib/opentsdb-emitter/pom.xml
index a700a35..1352b4a 100644
--- a/extensions-contrib/opentsdb-emitter/pom.xml
+++ b/extensions-contrib/opentsdb-emitter/pom.xml
@@ -19,9 +19,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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>
 
   <groupId>org.apache.druid.extensions.contrib</groupId>
@@ -31,7 +29,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-contrib/redis-cache/pom.xml b/extensions-contrib/redis-cache/pom.xml
index 8e524cf..266da74 100644
--- a/extensions-contrib/redis-cache/pom.xml
+++ b/extensions-contrib/redis-cache/pom.xml
@@ -19,8 +19,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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>
 
     <groupId>org.apache.druid.extensions.contrib</groupId>
@@ -30,7 +29,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-contrib/sqlserver-metadata-storage/pom.xml b/extensions-contrib/sqlserver-metadata-storage/pom.xml
index 871f416..3edf259 100644
--- a/extensions-contrib/sqlserver-metadata-storage/pom.xml
+++ b/extensions-contrib/sqlserver-metadata-storage/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-contrib/statsd-emitter/pom.xml b/extensions-contrib/statsd-emitter/pom.xml
index a569bc4..c0ef055 100644
--- a/extensions-contrib/statsd-emitter/pom.xml
+++ b/extensions-contrib/statsd-emitter/pom.xml
@@ -17,13 +17,11 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <artifactId>druid</artifactId>
     <groupId>org.apache.druid</groupId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/extensions-contrib/tdigestsketch/pom.xml b/extensions-contrib/tdigestsketch/pom.xml
index 94ea491..9475287 100644
--- a/extensions-contrib/tdigestsketch/pom.xml
+++ b/extensions-contrib/tdigestsketch/pom.xml
@@ -18,13 +18,11 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <artifactId>druid</artifactId>
     <groupId>org.apache.druid</groupId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/extensions-contrib/thrift-extensions/pom.xml b/extensions-contrib/thrift-extensions/pom.xml
index 8bb074f..695c2fa 100644
--- a/extensions-contrib/thrift-extensions/pom.xml
+++ b/extensions-contrib/thrift-extensions/pom.xml
@@ -18,9 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <groupId>org.apache.druid.extensions.contrib</groupId>
   <artifactId>druid-thrift-extensions</artifactId>
@@ -30,7 +28,7 @@
   <parent>
     <artifactId>druid</artifactId>
     <groupId>org.apache.druid</groupId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/extensions-contrib/time-min-max/pom.xml b/extensions-contrib/time-min-max/pom.xml
index bac4ce2..8b4683b 100644
--- a/extensions-contrib/time-min-max/pom.xml
+++ b/extensions-contrib/time-min-max/pom.xml
@@ -17,13 +17,11 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <artifactId>druid</artifactId>
     <groupId>org.apache.druid</groupId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/extensions-contrib/virtual-columns/pom.xml b/extensions-contrib/virtual-columns/pom.xml
index 2e4b9d6..8f08eb1 100644
--- a/extensions-contrib/virtual-columns/pom.xml
+++ b/extensions-contrib/virtual-columns/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-core/avro-extensions/pom.xml b/extensions-core/avro-extensions/pom.xml
index d82e378..9d15206 100644
--- a/extensions-core/avro-extensions/pom.xml
+++ b/extensions-core/avro-extensions/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>org.apache.druid.extensions</groupId>
@@ -30,7 +29,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/azure-extensions/pom.xml b/extensions-core/azure-extensions/pom.xml
index 5e36dd3..dcc4bdc 100644
--- a/extensions-core/azure-extensions/pom.xml
+++ b/extensions-core/azure-extensions/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>org.apache.druid.extensions</groupId>
@@ -30,7 +29,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-core/datasketches/pom.xml b/extensions-core/datasketches/pom.xml
index 2111ff3..dffe9c9 100644
--- a/extensions-core/datasketches/pom.xml
+++ b/extensions-core/datasketches/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>org.apache.druid.extensions</groupId>
@@ -30,7 +29,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/druid-basic-security/pom.xml b/extensions-core/druid-basic-security/pom.xml
index 0ac8820..587be4c 100644
--- a/extensions-core/druid-basic-security/pom.xml
+++ b/extensions-core/druid-basic-security/pom.xml
@@ -19,9 +19,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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>
 
   <groupId>org.apache.druid.extensions</groupId>
@@ -32,7 +30,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/druid-bloom-filter/pom.xml b/extensions-core/druid-bloom-filter/pom.xml
index fc7a3a8..4e5d13c 100644
--- a/extensions-core/druid-bloom-filter/pom.xml
+++ b/extensions-core/druid-bloom-filter/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>org.apache.druid.extensions</groupId>
@@ -30,7 +29,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/druid-kerberos/pom.xml b/extensions-core/druid-kerberos/pom.xml
index 0e7b1d4..3133e94 100644
--- a/extensions-core/druid-kerberos/pom.xml
+++ b/extensions-core/druid-kerberos/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>org.apache.druid.extensions</groupId>
@@ -30,7 +29,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/druid-pac4j/pom.xml b/extensions-core/druid-pac4j/pom.xml
index 9cd93ec..8256785 100644
--- a/extensions-core/druid-pac4j/pom.xml
+++ b/extensions-core/druid-pac4j/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/druid-ranger-security/pom.xml b/extensions-core/druid-ranger-security/pom.xml
index fcd5b17..6dc9692 100644
--- a/extensions-core/druid-ranger-security/pom.xml
+++ b/extensions-core/druid-ranger-security/pom.xml
@@ -19,9 +19,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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>
 
     <groupId>org.apache.druid.extensions</groupId>
@@ -32,7 +30,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-core/ec2-extensions/pom.xml b/extensions-core/ec2-extensions/pom.xml
index e2a7fb7..1853cd2 100644
--- a/extensions-core/ec2-extensions/pom.xml
+++ b/extensions-core/ec2-extensions/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>org.apache.druid.extensions</groupId>
@@ -30,7 +29,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/google-extensions/pom.xml b/extensions-core/google-extensions/pom.xml
index b14e916..d5e5f5e 100644
--- a/extensions-core/google-extensions/pom.xml
+++ b/extensions-core/google-extensions/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-core/hdfs-storage/pom.xml b/extensions-core/hdfs-storage/pom.xml
index a75e6a3..43c3502 100644
--- a/extensions-core/hdfs-storage/pom.xml
+++ b/extensions-core/hdfs-storage/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-core/histogram/pom.xml b/extensions-core/histogram/pom.xml
index 789cb6d..bd3dd2c 100644
--- a/extensions-core/histogram/pom.xml
+++ b/extensions-core/histogram/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-core/kafka-extraction-namespace/pom.xml b/extensions-core/kafka-extraction-namespace/pom.xml
index 616f2e8..b9c3eb8 100644
--- a/extensions-core/kafka-extraction-namespace/pom.xml
+++ b/extensions-core/kafka-extraction-namespace/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.druid.extensions</groupId>
   <artifactId>druid-kafka-extraction-namespace</artifactId>
@@ -29,7 +28,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/kafka-indexing-service/pom.xml b/extensions-core/kafka-indexing-service/pom.xml
index 50de00b..e58759b 100644
--- a/extensions-core/kafka-indexing-service/pom.xml
+++ b/extensions-core/kafka-indexing-service/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/kinesis-indexing-service/pom.xml b/extensions-core/kinesis-indexing-service/pom.xml
index 630f8c3..5b3c0f1 100644
--- a/extensions-core/kinesis-indexing-service/pom.xml
+++ b/extensions-core/kinesis-indexing-service/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>org.apache.druid.extensions</groupId>
@@ -30,7 +29,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-core/lookups-cached-global/pom.xml b/extensions-core/lookups-cached-global/pom.xml
index 235fd27..9a78f31 100644
--- a/extensions-core/lookups-cached-global/pom.xml
+++ b/extensions-core/lookups-cached-global/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.druid.extensions</groupId>
   <artifactId>druid-lookups-cached-global</artifactId>
@@ -29,7 +28,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/lookups-cached-single/pom.xml b/extensions-core/lookups-cached-single/pom.xml
index a11ab1f..806ec98 100644
--- a/extensions-core/lookups-cached-single/pom.xml
+++ b/extensions-core/lookups-cached-single/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.druid.extensions</groupId>
   <artifactId>druid-lookups-cached-single</artifactId>
@@ -29,7 +28,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/mysql-metadata-storage/pom.xml b/extensions-core/mysql-metadata-storage/pom.xml
index ae0d1ad..0473ced 100644
--- a/extensions-core/mysql-metadata-storage/pom.xml
+++ b/extensions-core/mysql-metadata-storage/pom.xml
@@ -30,7 +30,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-core/orc-extensions/pom.xml b/extensions-core/orc-extensions/pom.xml
index 649ae47..5b1fe0a 100644
--- a/extensions-core/orc-extensions/pom.xml
+++ b/extensions-core/orc-extensions/pom.xml
@@ -17,9 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <groupId>org.apache.druid.extensions</groupId>
     <artifactId>druid-orc-extensions</artifactId>
     <name>druid-orc-extensions</name>
@@ -28,7 +26,7 @@
     <parent>
         <artifactId>druid</artifactId>
         <groupId>org.apache.druid</groupId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/extensions-core/parquet-extensions/pom.xml b/extensions-core/parquet-extensions/pom.xml
index 9d7cee2..5ee9164 100644
--- a/extensions-core/parquet-extensions/pom.xml
+++ b/extensions-core/parquet-extensions/pom.xml
@@ -18,9 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <groupId>org.apache.druid.extensions</groupId>
   <artifactId>druid-parquet-extensions</artifactId>
   <name>druid-parquet-extensions</name>
@@ -29,7 +27,7 @@
   <parent>
     <artifactId>druid</artifactId>
     <groupId>org.apache.druid</groupId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/extensions-core/postgresql-metadata-storage/pom.xml b/extensions-core/postgresql-metadata-storage/pom.xml
index 32e67b8..f42c37d 100644
--- a/extensions-core/postgresql-metadata-storage/pom.xml
+++ b/extensions-core/postgresql-metadata-storage/pom.xml
@@ -30,7 +30,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/extensions-core/protobuf-extensions/pom.xml b/extensions-core/protobuf-extensions/pom.xml
index 6097280..39aa59c 100644
--- a/extensions-core/protobuf-extensions/pom.xml
+++ b/extensions-core/protobuf-extensions/pom.xml
@@ -18,9 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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>
 
   <groupId>org.apache.druid.extensions</groupId>
@@ -31,7 +29,7 @@
   <parent>
     <artifactId>druid</artifactId>
     <groupId>org.apache.druid</groupId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/s3-extensions/pom.xml b/extensions-core/s3-extensions/pom.xml
index e5a5d7a..7159db8 100644
--- a/extensions-core/s3-extensions/pom.xml
+++ b/extensions-core/s3-extensions/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>org.apache.druid.extensions</groupId>
@@ -30,7 +29,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/extensions-core/simple-client-sslcontext/pom.xml b/extensions-core/simple-client-sslcontext/pom.xml
index ad0ec4b..ce0d1cf 100644
--- a/extensions-core/simple-client-sslcontext/pom.xml
+++ b/extensions-core/simple-client-sslcontext/pom.xml
@@ -18,13 +18,11 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <artifactId>druid</artifactId>
     <groupId>org.apache.druid</groupId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/extensions-core/stats/pom.xml b/extensions-core/stats/pom.xml
index f2b605a..f8ea45a 100644
--- a/extensions-core/stats/pom.xml
+++ b/extensions-core/stats/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/hll/pom.xml b/hll/pom.xml
index f79d575..8903554 100644
--- a/hll/pom.xml
+++ b/hll/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <artifactId>druid-hll</artifactId>
diff --git a/indexing-hadoop/pom.xml b/indexing-hadoop/pom.xml
index 0df931c..57433c3 100644
--- a/indexing-hadoop/pom.xml
+++ b/indexing-hadoop/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <dependencies>
diff --git a/indexing-service/pom.xml b/indexing-service/pom.xml
index 9da439d..2430d24 100644
--- a/indexing-service/pom.xml
+++ b/indexing-service/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <dependencies>
diff --git a/integration-tests/pom.xml b/integration-tests/pom.xml
index 4fee910..d2f0152 100644
--- a/integration-tests/pom.xml
+++ b/integration-tests/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <dependencies>
@@ -370,8 +370,8 @@
                 <start.hadoop.docker>false</start.hadoop.docker>
                 <docker.run.skip>false</docker.run.skip>
                 <docker.build.skip>false</docker.build.skip>
-                <override.config.path></override.config.path>
-                <resource.file.dir.path></resource.file.dir.path>
+                <override.config.path />
+                <resource.file.dir.path />
                 <extra.datasource.name.suffix>\ Россия\ 한국\ 中国!?</extra.datasource.name.suffix>
             </properties>
             <build>
diff --git a/pom.xml b/pom.xml
index bef0161..1b0408d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
@@ -30,7 +29,7 @@
 
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <packaging>pom</packaging>
 
     <name>Druid</name>
@@ -67,7 +66,7 @@
         <connection>scm:git:ssh://git@github.com/apache/druid.git</connection>
         <developerConnection>scm:git:ssh://git@github.com/apache/druid.git</developerConnection>
         <url>https://github.com/apache/druid.git</url>
-        <tag>0.19.0-SNAPSHOT</tag>
+        <tag>druid-0.20.0-rc2</tag>
     </scm>
 
     <properties>
@@ -1863,7 +1862,7 @@
                                 <license implementation="org.apache.rat.analysis.license.SimplePatternBasedLicense">
                                     <licenseFamilyCategory>MIT</licenseFamilyCategory>
                                     <licenseFamilyName>MIT JQuery</licenseFamilyName>
-                                    <notes></notes>
+                                    <notes />
                                     <patterns>
                                         <pattern>Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors</pattern>
                                         <pattern>Copyright 2012 jQuery Foundation and other contributors; Licensed MIT</pattern>
@@ -1873,7 +1872,7 @@
                                 <license implementation="org.apache.rat.analysis.license.SimplePatternBasedLicense">
                                     <licenseFamilyCategory>Underscore</licenseFamilyCategory>
                                     <licenseFamilyName>Underscore</licenseFamilyName>
-                                    <notes></notes>
+                                    <notes />
                                     <patterns>
                                         <pattern>Underscore is freely distributable under the MIT license</pattern>
                                     </patterns>
@@ -1881,7 +1880,7 @@
                                 <license implementation="org.apache.rat.analysis.license.SimplePatternBasedLicense">
                                     <licenseFamilyCategory>Allan Jardine</licenseFamilyCategory>
                                     <licenseFamilyName>Allan Jardine</licenseFamilyName>
-                                    <notes></notes>
+                                    <notes />
                                     <patterns>
                                         <pattern>Copyright 2009 Allan Jardine. All Rights Reserved</pattern>
                                     </patterns>
@@ -1889,7 +1888,7 @@
                                 <license implementation="org.apache.rat.analysis.license.SimplePatternBasedLicense">
                                     <licenseFamilyCategory>Allan Jardine</licenseFamilyCategory>
                                     <licenseFamilyName>Allan Jardine</licenseFamilyName>
-                                    <notes></notes>
+                                    <notes />
                                     <patterns>
                                         <pattern>Copyright 2009 Allan Jardine. All Rights Reserved</pattern>
                                         <pattern>Copyright 2008-2011 Allan Jardine</pattern>
diff --git a/processing/pom.xml b/processing/pom.xml
index aaee5ac..ab955026 100644
--- a/processing/pom.xml
+++ b/processing/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <dependencies>
diff --git a/server/pom.xml b/server/pom.xml
index d2c9d27..6b1e818 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <dependencies>
diff --git a/services/pom.xml b/services/pom.xml
index fe9dbbe..94825a5 100644
--- a/services/pom.xml
+++ b/services/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>org.apache.druid</groupId>
         <artifactId>druid</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <dependencies>
@@ -225,7 +225,7 @@
                                 </filter>
                             </filters>
                             <transformers>
-                                <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
+                                <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" />
                             </transformers>
                         </configuration>
                     </execution>
diff --git a/sql/pom.xml b/sql/pom.xml
index b9578d4..9d6d02a 100644
--- a/sql/pom.xml
+++ b/sql/pom.xml
@@ -18,8 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <artifactId>druid-sql</artifactId>
@@ -29,7 +28,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
   </parent>
 
   <dependencies>
diff --git a/web-console/pom.xml b/web-console/pom.xml
index a33c3f0..b2fbfe9 100644
--- a/web-console/pom.xml
+++ b/web-console/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.apache.druid</groupId>
     <artifactId>druid</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
   </parent>
 
   <properties>