Maven4 "legacy" mode and more

impl/maven-core/src/main/java/org/apache/maven/internal/transformation/impl/TransformerSupport.java

@@ -68,9 +68,8 @@ public void transform(MavenProject project, RepositorySystemSession session, Pat
     protected static final String SCHEMA_LOCATION_FORMAT = "https://maven.apache.org/xsd/maven-%s.xsd";
 
     protected Model read(Path src) throws IOException, XMLStreamException {
-        MavenStaxReader reader = new MavenStaxReader();
         try (InputStream is = Files.newInputStream(src)) {
-            return reader.read(is, false, null);
+            return new MavenStaxReader().read(is, false, null);
         }
     }