diff --git a/pom.xml b/pom.xml
index 5f2abed..d9338dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -41,6 +41,13 @@
       <artifactId>jsr305</artifactId>
       <version>3.0.2</version>
     </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+      <version>1.7.25</version>
+    </dependency>
+
+    <!-- Tests -->
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter-api</artifactId>
@@ -53,6 +60,13 @@
       <version>${junit.jupiter.version}</version>
       <scope>test</scope>
     </dependency>
+
+    <dependency>
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-classic</artifactId>
+      <version>1.2.3</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <repositories>
diff --git a/src/main/java/org/utplsql/api/TestRunner.java b/src/main/java/org/utplsql/api/TestRunner.java
index 83ee237..033f67d 100644
--- a/src/main/java/org/utplsql/api/TestRunner.java
+++ b/src/main/java/org/utplsql/api/TestRunner.java
@@ -1,5 +1,7 @@
 package org.utplsql.api;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.utplsql.api.compatibility.CompatibilityProxy;
 import org.utplsql.api.db.DatabaseInformation;
 import org.utplsql.api.db.DefaultDatabaseInformation;
@@ -24,6 +26,8 @@
  */
 public class TestRunner {
 
+    private static final Logger logger = LoggerFactory.getLogger(TestRunner.class);
+
     private final TestRunnerOptions options = new TestRunnerOptions();
     private CompatibilityProxy compatibilityProxy;
     private ReporterFactory reporterFactory;
@@ -122,9 +126,13 @@ private void delayedAddReporters() {
 
     public void run(Connection conn) throws SQLException {
 
+        logger.info("TestRunner initialized");
+
         DatabaseInformation databaseInformation = new DefaultDatabaseInformation();
 
         compatibilityProxy = new CompatibilityProxy(conn, options.skipCompatibilityCheck, databaseInformation);
+        logger.info("Running on utPLSQL {}", compatibilityProxy.getDatabaseVersion());
+
         if ( reporterFactory ==  null )
             reporterFactory = ReporterFactory.createDefault(compatibilityProxy);
 
@@ -133,6 +141,7 @@ public void run(Connection conn) throws SQLException {
         // First of all check version compatibility
         compatibilityProxy.failOnNotCompatible();
 
+        logger.info("Initializing reporters");
         for (Reporter r : options.reporterList)
             validateReporter(conn, r);
 
@@ -141,12 +150,14 @@ public void run(Connection conn) throws SQLException {
         }
 
         if (options.reporterList.isEmpty()) {
+            logger.info("No reporter given so choosing ut_documentation_reporter");
             options.reporterList.add(new DocumentationReporter().init(conn));
         }
 
-        DBHelper.enableDBMSOutput(conn);
         try(TestRunnerStatement testRunnerStatement = compatibilityProxy.getTestRunnerStatement(options, conn)) {
+            logger.info("Running tests");
             testRunnerStatement.execute();
+            logger.info("Running tests finished.");
         } catch (SQLException e) {
             if (e.getErrorCode() == SomeTestsFailedException.ERROR_CODE) {
                 throw new SomeTestsFailedException(e.getMessage(), e);
@@ -157,8 +168,6 @@ else if (e.getErrorCode() == UtPLSQLNotInstalledException.ERROR_CODE) {
             else {
                 throw e;
             }
-        } finally {
-            DBHelper.disableDBMSOutput(conn);
         }
     }
 
diff --git a/src/main/java/org/utplsql/api/compatibility/OptionalFeatures.java b/src/main/java/org/utplsql/api/compatibility/OptionalFeatures.java
index 5f0b629..4e264cc 100644
--- a/src/main/java/org/utplsql/api/compatibility/OptionalFeatures.java
+++ b/src/main/java/org/utplsql/api/compatibility/OptionalFeatures.java
@@ -8,9 +8,9 @@
 
 public enum OptionalFeatures {
 
-    FAIL_ON_ERROR("3.0.3", null),
-    FRAMEWORK_COMPATIBILITY_CHECK("3.0.3", null),
-    CUSTOM_REPORTERS("3.1.0", null);
+    FAIL_ON_ERROR("3.0.3.1266", null),
+    FRAMEWORK_COMPATIBILITY_CHECK("3.0.3.1266", null),
+    CUSTOM_REPORTERS("3.1.0.1849", null);
 
     private final Version minVersion;
     private final Version maxVersion;
diff --git a/src/main/java/org/utplsql/api/reporter/Reporter.java b/src/main/java/org/utplsql/api/reporter/Reporter.java
index 7797c57..639e0c6 100644
--- a/src/main/java/org/utplsql/api/reporter/Reporter.java
+++ b/src/main/java/org/utplsql/api/reporter/Reporter.java
@@ -5,6 +5,8 @@
 import oracle.jdbc.OracleTypes;
 import oracle.sql.Datum;
 import oracle.sql.ORAData;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.utplsql.api.compatibility.CompatibilityProxy;
 import org.utplsql.api.outputBuffer.OutputBuffer;
 
@@ -18,6 +20,8 @@
  */
 public abstract class Reporter implements ORAData {
 
+    private static final Logger logger = LoggerFactory.getLogger(Reporter.class);
+
     private String selfType;
     private String id;
     private Object[] attributes;
@@ -73,6 +77,8 @@ private void initDbReporter( OracleConnection oraConn, ReporterFactory reporterF
         Reporter obj = (Reporter) callableStatement.getORAData(1, reporterFactory);
 
         setAttributes(obj.getAttributes());
+
+        logger.debug("Database-reporter initialized, Type: {}, ID: {}", selfType, id);
     }
 
     protected void setAttributes(Object[] attributes ) {