diff --git a/.dart_tool/extension_discovery/README.md b/.dart_tool/extension_discovery/README.md
new file mode 100644
index 00000000..9dc6757b
--- /dev/null
+++ b/.dart_tool/extension_discovery/README.md
@@ -0,0 +1,31 @@
+Extension Discovery Cache
+=========================
+
+This folder is used by `package:extension_discovery` to cache lists of
+packages that contains extensions for other packages.
+
+DO NOT USE THIS FOLDER
+----------------------
+
+ * Do not read (or rely) the contents of this folder.
+ * Do write to this folder.
+
+If you're interested in the lists of extensions stored in this folder use the
+API offered by package `extension_discovery` to get this information.
+
+If this package doesn't work for your use-case, then don't try to read the
+contents of this folder. It may change, and will not remain stable.
+
+Use package `extension_discovery`
+---------------------------------
+
+If you want to access information from this folder.
+
+Feel free to delete this folder
+-------------------------------
+
+Files in this folder act as a cache, and the cache is discarded if the files
+are older than the modification time of `.dart_tool/package_config.json`.
+
+Hence, it should never be necessary to clear this cache manually, if you find a
+need to do please file a bug.
diff --git a/flutter_modular/CHANGELOG.md b/flutter_modular/CHANGELOG.md
index 4b890880..6461c58a 100644
--- a/flutter_modular/CHANGELOG.md
+++ b/flutter_modular/CHANGELOG.md
@@ -1,3 +1,6 @@
+## [6.4.1] - 2025/06/12
+- Fix AppModule Dispose.
+
 ## [6.4.0] - 2025-06-10
 - Fix Deep Link query parameters.
 - Update Result.
diff --git a/flutter_modular/lib/src/presenter/navigation/modular_router_delegate.dart b/flutter_modular/lib/src/presenter/navigation/modular_router_delegate.dart
index d71471ba..db70942f 100644
--- a/flutter_modular/lib/src/presenter/navigation/modular_router_delegate.dart
+++ b/flutter_modular/lib/src/presenter/navigation/modular_router_delegate.dart
@@ -116,7 +116,6 @@ class ModularRouterDelegate extends RouterDelegate<ModularBook>
     final parallel = page.route;
     parallel.popCallback?.call(result);
     currentConfiguration?.routes.remove(parallel);
-    currentConfiguration?.routes.removeWhere((element) => element.parent == parallel.uri.toString());
     if (currentConfiguration?.routes.indexWhere(
             (element) => element.uri.toString() == parallel.uri.toString()) ==
         -1) {
diff --git a/flutter_modular/pubspec.yaml b/flutter_modular/pubspec.yaml
index f1c96fd8..168e2714 100644
--- a/flutter_modular/pubspec.yaml
+++ b/flutter_modular/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_modular
 description: Smart project structure with dependency injection and route management
-version: 6.4.0
+version: 6.4.1
 homepage: https://github.com/Flutterando/modular
 
 resolution: workspace
@@ -9,7 +9,7 @@ environment:
   sdk: ">=3.6.0 <4.0.0"
 
 dependencies:
-  modular_core: ">=3.4.0 <4.0.0"
+  modular_core: ">=3.4.1 <4.0.0"
   meta: ">=1.3.0 <2.0.0"
   result_dart: ">=2.1.0 <3.0.0"
   flutter:
diff --git a/modular_core/CHANGELOG.md b/modular_core/CHANGELOG.md
index 421c8ddb..6e098998 100644
--- a/modular_core/CHANGELOG.md
+++ b/modular_core/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 3.4.1 - 2025/06/12
+- Fix AppModule Dispose.
+
 ## 3.4.0 - 2025/06/10
 
 - Fix Deep Link query parameters.
diff --git a/modular_core/lib/src/tracker.dart b/modular_core/lib/src/tracker.dart
index 1492da54..4721f97b 100644
--- a/modular_core/lib/src/tracker.dart
+++ b/modular_core/lib/src/tracker.dart
@@ -162,7 +162,7 @@ class _Tracker implements Tracker {
         continue;
       }
 
-      moduleTags.removeWhere((element) => element.startsWith(tag));
+      moduleTags.remove(tag);
       if (tag.characters.last == '/') {
         moduleTags.remove('$tag/'.replaceAll('//', ''));
       }
diff --git a/modular_core/pubspec.yaml b/modular_core/pubspec.yaml
index c3e36b4f..f9388f37 100644
--- a/modular_core/pubspec.yaml
+++ b/modular_core/pubspec.yaml
@@ -1,6 +1,6 @@
 name: modular_core
 description: Smart project structure with dependency injection and route management
-version: 3.4.0
+version: 3.4.1
 homepage: https://github.com/Flutterando/modular
 
 resolution: workspace