diff --git a/docs/pages/release_notes.md b/docs/pages/release_notes.md
index c54dec614d..75ee9ea2ed 100644
--- a/docs/pages/release_notes.md
+++ b/docs/pages/release_notes.md
@@ -73,6 +73,14 @@ As PMD 7 revamped the Java module, if you have custom rules, you need to migrate
See the use case [I'm using custom rules]({{ baseurl }}pmd_userdocs_migrating_to_pmd7.html#im-using-custom-rules)
in the Migration Guide.
+Note: Once the default version of PMD is upgraded to PMD7 in maven-pmd-plugin
+(see [MPMD-379](https://issues.apache.org/jira/projects/MPMD/issues/MPMD-379)), this
+compatibility module is no longer needed. The module pmd-compat6 might not be maintaned then
+any further, hence it is already declared as deprecated.
+
+No guarantee is given, that the (deprecated) module pmd-compat6 is being maintained over the
+whole lifetime of PMD 7.
+
##### Java 22 Support
This release of PMD brings support for Java 22. There are the following new standard language features,
diff --git a/pmd-compat6/README.md b/pmd-compat6/README.md
index d07fc26518..4a11803caa 100644
--- a/pmd-compat6/README.md
+++ b/pmd-compat6/README.md
@@ -6,7 +6,7 @@ some removed methods.
The goal is, that PMD7 can be used with [Maven PMD Plugin](https://maven.apache.org/plugins/maven-pmd-plugin)
without any further changes to the plugin.
-The plugin uses by default PMD Version 6.55.0, but it can be configured to
+The maven-pmd-plugin uses by default PMD Version 6.55.0, but it can be configured to
[Use a new PMD version at runtime](https://maven.apache.org/plugins/maven-pmd-plugin/examples/upgrading-PMD-at-runtime.html).
Since PMD7 introduces many incompatible changes, another module is needed to restore
@@ -27,9 +27,13 @@ It is as simple as adding:
Note: The dependency "pmd-compat6" must be listed _first_ before pmd-core, pmd-java, and the others.
-Once the default version of PMD is upgraded to PMD7 in maven-pmd-plugin
+Note: Once the default version of PMD is upgraded to PMD7 in maven-pmd-plugin
(see [MPMD-379](https://issues.apache.org/jira/projects/MPMD/issues/MPMD-379)), this
-compatibility module is no longer needed.
+compatibility module is no longer needed. The module pmd-compat6 might not be maintaned then
+any further, hence it is already declared as deprecated.
The primary goal for this module is, to get maven-pmd-plugin working with PMD7. It might
be useful in other contexts, too, but no guarantee is given, that is works.
+
+No guarantee is given, that the (deprecated) module pmd-compat6 is being maintained over the
+whole lifetime of PMD 7.
diff --git a/pmd-compat6/pom.xml b/pmd-compat6/pom.xml
index e9385ac4ff..55b4bb406c 100644
--- a/pmd-compat6/pom.xml
+++ b/pmd-compat6/pom.xml
@@ -11,7 +11,7 @@
pmd-compat6
- PMD Compatibility Classes for PMD6
+ PMD Compatibility Classes for PMD6 (deprecated)
${project.version}