diff --git a/doc/changes/changes_4.0.5.md b/doc/changes/changes_4.0.5.md
index fb999dc10..f77e6f5b7 100644
--- a/doc/changes/changes_4.0.5.md
+++ b/doc/changes/changes_4.0.5.md
@@ -1,6 +1,13 @@
-# Exasol Virtual Schemas 4.0.5, released 2020-??-??
+# Exasol Virtual Schemas 4.0.5, released 2020-12-22
 
-Code name: 
+Code name: Migrated PostgreSQL dialect implementation to its own repository.
+
+## Summary
+
+Please we aware you can not create PostgreSQL Virtual Schemas using this JAR anymore.
+PostgreSQL dialect implementation has been migrated to https://github.com/exasol/postgresql-virtual-schema.
+
+We also enabled `JOIN` capabilities in `MySQL` dialect adapter, and started a FAQ documentation page.
 
 ## Features
 
diff --git a/doc/dialects/athena.md b/doc/dialects/athena.md
index 388ff33b4..17891b99e 100644
--- a/doc/dialects/athena.md
+++ b/doc/dialects/athena.md
@@ -52,7 +52,7 @@ The SQL statement below creates the adapter script, defines the Java class that
 ```sql
 CREATE OR REPLACE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
     %scriptclass com.exasol.adapter.RequestDispatcher;
-    %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+    %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
     %jar /buckets/<BFS service>/<bucket>/AthenaJDBC42-<JDBC driver version>.jar;
 /
 ;
diff --git a/doc/dialects/aurora.md b/doc/dialects/aurora.md
index 792223399..ccbbb6492 100644
--- a/doc/dialects/aurora.md
+++ b/doc/dialects/aurora.md
@@ -62,7 +62,7 @@ The SQL statement below creates the adapter script, defines the Java class that
 ```sql
 CREATE OR REPLACE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
     %scriptclass com.exasol.adapter.RequestDispatcher;
-    %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+    %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
     %jar /buckets/<BFS service>/<bucket>/postgresql-<JDBC driver version>.jar;
 /
 ```
diff --git a/doc/dialects/bigquery.md b/doc/dialects/bigquery.md
index fcfc08287..8bba3584d 100644
--- a/doc/dialects/bigquery.md
+++ b/doc/dialects/bigquery.md
@@ -33,7 +33,7 @@ List all the JAR files from Magnitude Simba JDBC driver.
 ```sql
 CREATE JAVA ADAPTER SCRIPT SCHEMA_FOR_VS_SCRIPT.ADAPTER_SCRIPT_BIGQUERY AS
     %scriptclass com.exasol.adapter.RequestDispatcher;
-    %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+    %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
     %jar /buckets/<BFS service>/<bucket>/GoogleBigQueryJDBC42.jar;
     ...
     ...
diff --git a/doc/dialects/db2.md b/doc/dialects/db2.md
index ca832bf79..8ac37b5f0 100644
--- a/doc/dialects/db2.md
+++ b/doc/dialects/db2.md
@@ -56,7 +56,7 @@ The SQL statement below creates the adapter script, defines the Java class that
 ```sql
 CREATE OR REPLACE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
   %scriptclass com.exasol.adapter.RequestDispatcher;
-  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
   %jar /buckets/<BFS service>/<bucket>/db2jcc4.jar;
   %jar /buckets/<BFS service>/<bucket>/db2jcc_license_cu.jar;
 /
@@ -68,7 +68,7 @@ CREATE OR REPLACE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
 ```sql
 CREATE OR REPLACE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
   %scriptclass com.exasol.adapter.RequestDispatcher;
-  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
   %jar /buckets/<BFS service>/<bucket>/db2jcc4.jar;
   %jar /buckets/<BFS service>/<bucket>/db2jcc_license_cu.jar;
   %jar /buckets/<BFS service>/<bucket>/db2jcc_license_cisuz.jar;
diff --git a/doc/dialects/hive.md b/doc/dialects/hive.md
index 07b865053..b2861127c 100644
--- a/doc/dialects/hive.md
+++ b/doc/dialects/hive.md
@@ -47,7 +47,7 @@ The SQL statement below creates the adapter script, defines the Java class that
 ```sql
 CREATE OR REPLACE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
   %scriptclass com.exasol.adapter.RequestDispatcher;
-  %jar /buckets/<BFS service>/<bucket>/jars/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+  %jar /buckets/<BFS service>/<bucket>/jars/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
   %jar /buckets/<BFS service>/<bucket>/jars/HiveJDBC41.jar;
 /
 ```
@@ -302,7 +302,7 @@ In Virtual Schema adapter:
 CREATE OR REPLACE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
   %jvmoption -Dsun.security.krb5.disableReferrals=true;
   %scriptclass com.exasol.adapter.RequestDispatcher;
-  %jar /buckets/<BFS service>/<bucket>/jars/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+  %jar /buckets/<BFS service>/<bucket>/jars/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
   %jar /buckets/<BFS service>/<bucket>/jars/HiveJDBC41.jar;
 /
 ```
diff --git a/doc/dialects/impala.md b/doc/dialects/impala.md
index e7e3cef97..e69dab030 100644
--- a/doc/dialects/impala.md
+++ b/doc/dialects/impala.md
@@ -47,7 +47,7 @@ The SQL statement below creates the adapter script, defines the Java class that
 ```sql
 CREATE OR REPLACE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
   %scriptclass com.exasol.adapter.RequestDispatcher;
-  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
   %jar /buckets/<BFS service>/<bucket>/ImpalaJDBC41.jar;
 /
 ;
diff --git a/doc/dialects/mysql.md b/doc/dialects/mysql.md
index 4b239ca92..15bd89e27 100644
--- a/doc/dialects/mysql.md
+++ b/doc/dialects/mysql.md
@@ -51,7 +51,7 @@ The SQL statement below creates the adapter script, defines the Java class that
 ```sql
 CREATE OR REPLACE JAVA ADAPTER SCRIPT SCHEMA_FOR_VS_SCRIPT.ADAPTER_SCRIPT_MYSQL AS
     %scriptclass com.exasol.adapter.RequestDispatcher;
-    %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+    %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
     %jar /buckets/<BFS service>/<bucket>/mysql-connector-java-<version>.jar;
 /
 ;
diff --git a/doc/dialects/oracle.md b/doc/dialects/oracle.md
index 46b6fab3c..89e957470 100644
--- a/doc/dialects/oracle.md
+++ b/doc/dialects/oracle.md
@@ -48,7 +48,7 @@ The SQL statement below creates the adapter script, defines the Java class that
 ```sql
 CREATE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
   %scriptclass com.exasol.adapter.RequestDispatcher;
-  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
   %jar /buckets/<BFS service>/<bucket>/ojdbc<JDBC driver version>.jar;
 /
 ;
diff --git a/doc/dialects/redshift.md b/doc/dialects/redshift.md
index 23770290a..f987432ac 100644
--- a/doc/dialects/redshift.md
+++ b/doc/dialects/redshift.md
@@ -51,7 +51,7 @@ The SQL statement below creates the adapter script, defines the Java class that
 ```sql
 CREATE OR REPLACE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
     %scriptclass com.exasol.adapter.RequestDispatcher;
-    %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+    %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
     %jar /buckets/<BFS service>/<bucket>/RedshiftJDBC42-<JDBC driver version>.jar;
 /
 ;
diff --git a/doc/dialects/saphana.md b/doc/dialects/saphana.md
index a56cdcf94..3ef8b183c 100644
--- a/doc/dialects/saphana.md
+++ b/doc/dialects/saphana.md
@@ -47,7 +47,7 @@ The SQL statement below creates the adapter script, defines the Java class that
 ```sql
 CREATE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
      %scriptclass com.exasol.adapter.RequestDispatcher;
-     %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+     %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
      %jar /buckets/<BFS service>/<bucket>/ngdbc-<JDBC driver version>.jar;
 /
 ;
diff --git a/doc/dialects/sql_server.md b/doc/dialects/sql_server.md
index 9e56df4f5..746ab2578 100644
--- a/doc/dialects/sql_server.md
+++ b/doc/dialects/sql_server.md
@@ -46,7 +46,7 @@ The SQL statement below creates the adapter script, defines the Java class that
 ```sql
 CREATE OR REPLACE JAVA ADAPTER SCRIPT SCHEMA_FOR_VS_SCRIPT.ADAPTER_SCRIPT_SQLSERVER AS
   %scriptclass com.exasol.adapter.RequestDispatcher;
-  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
   %jar /buckets/<BFS service>/<bucket>/mssql-jdbc-<version>.jre8.jar;
 /
 ```
diff --git a/doc/dialects/sybase.md b/doc/dialects/sybase.md
index 2494b2b32..1bb17e203 100644
--- a/doc/dialects/sybase.md
+++ b/doc/dialects/sybase.md
@@ -29,7 +29,7 @@ The SQL statement below creates the adapter script, defines the Java class that
 ```sql
 CREATE OR REPLACE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
   %scriptclass com.exasol.adapter.RequestDispatcher;
-  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
   %jar /buckets/<BFS service>/<bucket>/jtds-<version>.jar;
 /
 ```
diff --git a/doc/dialects/teradata.md b/doc/dialects/teradata.md
index a2a712dcb..15032590b 100644
--- a/doc/dialects/teradata.md
+++ b/doc/dialects/teradata.md
@@ -47,7 +47,7 @@ The SQL statement below creates the adapter script, defines the Java class that
 ```sql
 CREATE OR REPLACE JAVA ADAPTER SCRIPT ADAPTER.JDBC_ADAPTER AS
   %scriptclass com.exasol.adapter.RequestDispatcher;
-  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.4.jar;
+  %jar /buckets/<BFS service>/<bucket>/virtual-schema-dist-8.0.0-bundle-4.0.5.jar;
   %jar /buckets/<BFS service>/<bucket>/terajdbc4.jar;
   %jar /buckets/<BFS service>/<bucket>/tdgssconfig.jar;
 /
diff --git a/pom.xml b/pom.xml
index 63625c5f4..9a2699ddd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.exasol</groupId>
     <artifactId>virtual-schema-jdbc-adapter</artifactId>
-    <version>4.0.4</version>
+    <version>4.0.5</version>
     <name>Virtual Schema JDBC Adapter</name>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/test/java/com/exasol/adapter/dialects/IntegrationTestConstants.java b/src/test/java/com/exasol/adapter/dialects/IntegrationTestConstants.java
index e64b3b828..5e1167b25 100644
--- a/src/test/java/com/exasol/adapter/dialects/IntegrationTestConstants.java
+++ b/src/test/java/com/exasol/adapter/dialects/IntegrationTestConstants.java
@@ -3,7 +3,7 @@
 import java.nio.file.Path;
 
 public final class IntegrationTestConstants {
-    public static final String VIRTUAL_SCHEMAS_JAR_NAME_AND_VERSION = "virtual-schema-dist-8.0.0-bundle-4.0.4.jar";
+    public static final String VIRTUAL_SCHEMAS_JAR_NAME_AND_VERSION = "virtual-schema-dist-8.0.0-bundle-4.0.5.jar";
     public static final String EXASOL_DOCKER_IMAGE_REFERENCE = "exasol/docker-db:6.2.11-d1";
     public static final Path PATH_TO_VIRTUAL_SCHEMAS_JAR = Path.of("target", VIRTUAL_SCHEMAS_JAR_NAME_AND_VERSION);
     public static final String SCHEMA_EXASOL = "SCHEMA_EXASOL";
diff --git a/src/test/resources/integration/driver/postgres/postgresql-42.2.5.jar b/src/test/resources/integration/driver/postgres/postgresql-42.2.5.jar
deleted file mode 100644
index d89d4331a..000000000
Binary files a/src/test/resources/integration/driver/postgres/postgresql-42.2.5.jar and /dev/null differ