diff --git a/pom.xml b/pom.xml
index ab86bad529e..36e83ea2327 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
 
   <artifactId>spoon-core</artifactId>
   <packaging>jar</packaging>
-  <version>10.4.0-SNAPSHOT</version>
+  <version>10.5.0</version>
   <name>Spoon Core</name>
   <description>Spoon is a tool for meta-programming, analysis and transformation of Java programs.</description>
   <url>http://spoon.gforge.inria.fr/</url>
diff --git a/pom.xml.versionsBackup b/pom.xml.versionsBackup
new file mode 100644
index 00000000000..ab86bad529e
--- /dev/null
+++ b/pom.xml.versionsBackup
@@ -0,0 +1,291 @@
+<!--
+
+    Copyright (C) 2006-2019 INRIA and contributors
+
+    Spoon is available either under the terms of the MIT License (see LICENSE-MIT.txt) of the Cecill-C License (see LICENSE-CECILL-C.txt).
+    You as the user are entitled to choose the terms under which to adopt Spoon.
+
+-->
+<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>fr.inria.gforge.spoon</groupId>
+    <artifactId>spoon-pom</artifactId>
+    <version>1.0</version>
+    <relativePath>spoon-pom</relativePath>
+  </parent>
+
+  <artifactId>spoon-core</artifactId>
+  <packaging>jar</packaging>
+  <version>10.4.0-SNAPSHOT</version>
+  <name>Spoon Core</name>
+  <description>Spoon is a tool for meta-programming, analysis and transformation of Java programs.</description>
+  <url>http://spoon.gforge.inria.fr/</url>
+
+  <licenses>
+      <license>
+          <name>CeCILL-C</name>
+          <comments>French equivalent to LGPL</comments>
+          <url>https://cecill.info/licences/Licence_CeCILL-C_V1-en.txt</url>
+          <distribution>repo</distribution>
+      </license>
+      <license>
+          <name>MIT</name>
+          <url>https://opensource.org/licenses/MIT</url>
+          <distribution>repo</distribution>
+      </license>
+  </licenses>
+
+  <properties>
+    <sonar.coverage.exclusions>
+        **/support/gui/*
+    </sonar.coverage.exclusions>
+    <checkstyle.config.location>checkstyle.xml</checkstyle.config.location>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.eclipse.jdt</groupId>
+      <artifactId>org.eclipse.jdt.core</artifactId>
+      <version>3.33.0</version>
+      <exclusions>
+        <exclusion>
+          <groupId>org.eclipse.platform</groupId>
+          <artifactId>org.eclipse.core.resources</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.eclipse.platform</groupId>
+          <artifactId>org.eclipse.core.runtime</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.eclipse.platform</groupId>
+          <artifactId>org.eclipse.core.filesystem</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.eclipse.platform</groupId>
+          <artifactId>org.eclipse.text</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>com.martiansoftware</groupId>
+      <artifactId>jsap</artifactId>
+      <version>2.1</version>
+    </dependency>
+    <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api -->
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+      <version>1.7.36</version>
+    </dependency>
+      <dependency>
+      <groupId>commons-io</groupId>
+      <artifactId>commons-io</artifactId>
+      <version>2.13.0</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-model</artifactId>
+      <version>[3.6.0,)</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-lang3</artifactId>
+      <version>3.12.0</version>
+    </dependency>
+  <!-- https://mvnrepository.com/artifact/org.tukaani/xz -->
+	<dependency>
+    	<groupId>org.tukaani</groupId>
+    	<artifactId>xz</artifactId>
+    	<version>1.9</version>
+        <scope>test</scope>
+	</dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-databind</artifactId>
+      <version>2.15.2</version>
+    </dependency>
+    <dependency>
+      <!-- support for compressed serialized ASTs -->
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-compress</artifactId>
+      <version>1.23.0</version>
+	</dependency>
+    <dependency>
+      <!-- to reproduce JTD error with nullable annotation -->
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava</artifactId>
+      <version>31.1-jre</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+        <groupId>ch.qos.logback</groupId>
+        <artifactId>logback-classic</artifactId>
+        <version>1.4.7</version>
+        <scope>test</scope>
+    </dependency>
+    <dependency>
+      <!-- to reproduce and fix a bug -->
+      <groupId>com.mysema.querydsl</groupId>
+      <artifactId>querydsl-core</artifactId>
+      <version>3.7.4</version>
+      <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <groupId>com.google.code.findbugs</groupId>
+          <artifactId>jsr305</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>com.mysema.commons</groupId>
+          <artifactId>mysema-commons-lang</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>com.infradna.tool</groupId>
+          <artifactId>bridge-method-annotation</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven.shared</groupId>
+      <artifactId>maven-invoker</artifactId>
+      <version>3.2.0</version>
+    </dependency>
+    <!-- https://mvnrepository.com/artifact/javax.validation/validation-api -->
+    <dependency>
+      <groupId>javax.validation</groupId>
+      <artifactId>validation-api</artifactId>
+      <version>2.0.1.Final</version>
+      <scope>test</scope>
+    </dependency>
+    <!-- https://mvnrepository.com/artifact/uk.org.lidalia/slf4j-test -->
+    <dependency>
+      <groupId>uk.org.lidalia</groupId>
+      <artifactId>slf4j-test</artifactId>
+      <version>1.2.0</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.kohsuke.metainf-services</groupId>
+      <artifactId>metainf-services</artifactId>
+      <version>1.9</version>
+      <optional>true</optional>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+  <build>
+    <plugins>
+        <plugin>
+            <groupId>org.jacoco</groupId>
+            <artifactId>jacoco-maven-plugin</artifactId>
+            <version>0.8.10</version>
+            <executions>
+                <execution>
+                    <goals>
+                        <goal>prepare-agent</goal>
+                    </goals>
+                </execution>
+                <execution>
+                    <id>report</id>
+                    <phase>prepare-package</phase>
+                    <goals>
+                        <goal>report</goal>
+                    </goals>
+                </execution>
+                <execution>
+                  <!-- reference:
+                  * https://www.jacoco.org/jacoco/trunk/doc/check-mojo.html
+                  * https://stackoverflow.com/questions/41891739/how-to-fail-a-maven-build-if-junit-coverage-falls-below-certain-threshold
+                  -->
+                  <id>check-coverage</id>
+                  <goals>
+                    <goal>check</goal>
+                  </goals>
+                  <configuration>
+                    <rules>
+                    <rule implementation="org.jacoco.maven.RuleConfiguration">
+                      <element>CLASS</element>
+                      <excludes>
+                        <!-- we exclude the GUI classes, because we don't have Swing GUI tests in CI -->
+                        <exclude>spoon.support.gui.*</exclude>
+                        <!-- we exclude the generated inner classes of ReplacementVisitor -->
+                        <exclude>spoon.support.visitor.replace.ReplacementVisitor.*</exclude>
+                      </excludes>
+                      <limits>
+                        <limit implementation="org.jacoco.report.check.Limit">
+                          <counter>LINE</counter>
+                          <value>COVEREDRATIO</value>
+                          <minimum>0.1</minimum>
+                        </limit>
+                      </limits>
+                    </rule>
+                  </rules>
+                  </configuration>
+                </execution>
+          </executions>
+      </plugin>
+        <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-assembly-plugin</artifactId>
+            <configuration>
+                <archive>
+                    <manifest>
+                        <mainClass>spoon.Launcher</mainClass>
+                    </manifest>
+                    <manifestEntries>
+                      <Multi-Release>true</Multi-Release>
+                    </manifestEntries>
+                </archive>
+                <descriptorRefs>
+                    <descriptorRef>jar-with-dependencies</descriptorRef>
+                    <!-- descriptorRef>project</descriptorRef -->
+                </descriptorRefs>
+                <!-- descriptor>src/main/assembly/project.xml</descriptor -->
+            </configuration>
+            <executions>
+                <execution>
+                    <id>make-assembly</id><!-- this is used for inheritance merges -->
+                    <phase>package</phase><!-- append to the packaging phase. -->
+                    <goals>
+                        <goal>single</goal><!-- goals == mojos -->
+                    </goals>
+                </execution>
+            </executions>
+        </plugin>
+
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-checkstyle-plugin</artifactId>
+        <version>3.3.0</version>
+        <configuration>
+          <failsOnError>true</failsOnError>
+          <consoleOutput>true</consoleOutput>
+          <!-- we exclude the generated files, see CtGenerationTest -->
+          <excludes>spoon/support/visitor/clone/CloneBuilder.java</excludes>
+          <excludes>spoon/reflect/visitor/CtBiScannerDefault.java</excludes>
+          <excludes>spoon/support/visitor/equals/EqualsVisitor.java</excludes>
+          <excludes>spoon/support/visitor/replace/ReplacementVisitor.java</excludes>
+        </configuration>
+        <executions>
+          <execution>
+            <phase>verify</phase>
+            <goals>
+              <goal>checkstyle</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <configuration>
+          <classpathDependencyExcludes>
+            <classpathDependencyExclude>ch.qos.logback:logback-classic</classpathDependencyExclude>
+            <trimStackTrace>false</trimStackTrace>
+          </classpathDependencyExcludes>
+        </configuration>
+      </plugin>
+
+    </plugins>
+  </build>
+</project>