diff --git a/jme3-examples/src/main/java/jme3test/animation/TestCinematic.java b/jme3-examples/src/main/java/jme3test/animation/TestCinematic.java
index 6bce59d798..fbb4e8a922 100644
--- a/jme3-examples/src/main/java/jme3test/animation/TestCinematic.java
+++ b/jme3-examples/src/main/java/jme3test/animation/TestCinematic.java
@@ -221,7 +221,7 @@ private void createCameraMotion() {
 
     private void createScene() {
 
-        model = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+        model = assetManager.loadModel("Models/Oto/Oto.j3o");
         model.center();
         model.setShadowMode(ShadowMode.CastAndReceive);
         rootNode.attachChild(model);
diff --git a/jme3-examples/src/main/java/jme3test/bullet/TestBoneRagdoll.java b/jme3-examples/src/main/java/jme3test/bullet/TestBoneRagdoll.java
index 538ec8b31c..6de101e01f 100644
--- a/jme3-examples/src/main/java/jme3test/bullet/TestBoneRagdoll.java
+++ b/jme3-examples/src/main/java/jme3test/bullet/TestBoneRagdoll.java
@@ -170,7 +170,7 @@ public void simpleInitApp() {
         PhysicsTestHelper.createPhysicsTestWorld(rootNode, assetManager,
                 physicsSpace);
 
-        model = (Node) assetManager.loadModel("Models/Sinbad/Sinbad.mesh.xml");
+        model = (Node) assetManager.loadModel("Models/Sinbad/Sinbad.j3o");
         rootNode.attachChild(model);
 
         composer = model.getControl(AnimComposer.class);
diff --git a/jme3-examples/src/main/java/jme3test/bullet/TestFancyCar.java b/jme3-examples/src/main/java/jme3test/bullet/TestFancyCar.java
index ce21b1f15b..9d42359b64 100644
--- a/jme3-examples/src/main/java/jme3test/bullet/TestFancyCar.java
+++ b/jme3-examples/src/main/java/jme3test/bullet/TestFancyCar.java
@@ -121,7 +121,7 @@ private void buildPlayer() {
         final float mass = 400;
 
         // Load model and get chassis Geometry
-        carNode = (Node) assetManager.loadModel("Models/Ferrari/Car.scene");
+        carNode = (Node) assetManager.loadModel("Models/Ferrari/Car_Scene.j3o");
         carNode.setShadowMode(ShadowMode.Cast);
         Geometry chassis = findGeom(carNode, "Car");
 
diff --git a/jme3-examples/src/main/java/jme3test/bullet/TestHoveringTank.java b/jme3-examples/src/main/java/jme3test/bullet/TestHoveringTank.java
index 3127ec4a68..e264d2bdd8 100644
--- a/jme3-examples/src/main/java/jme3test/bullet/TestHoveringTank.java
+++ b/jme3-examples/src/main/java/jme3test/bullet/TestHoveringTank.java
@@ -138,7 +138,7 @@ public void simpleInitApp() {
     }
 
     private void buildPlayer() {
-        spaceCraft = assetManager.loadModel("Models/HoverTank/Tank2.mesh.xml");
+        spaceCraft = assetManager.loadModel("Models/HoverTank/Tank2.j3o");
         CollisionShape colShape = CollisionShapeFactory.createDynamicMeshShape(spaceCraft);
         spaceCraft.setShadowMode(ShadowMode.CastAndReceive);
         spaceCraft.setLocalTranslation(startLocation);
@@ -164,7 +164,7 @@ public void makeMissile() {
         Quaternion rot = spaceCraft.getWorldRotation();
         Vector3f dir = rot.getRotationColumn(2);
 
-        Spatial missile = assetManager.loadModel("Models/SpaceCraft/Rocket.mesh.xml");
+        Spatial missile = assetManager.loadModel("Models/SpaceCraft/Rocket.j3o");
         missile.scale(0.5f);
         missile.rotate(0, FastMath.PI, 0);
         missile.updateGeometricState();
diff --git a/jme3-examples/src/main/java/jme3test/bullet/TestPhysicsCharacter.java b/jme3-examples/src/main/java/jme3test/bullet/TestPhysicsCharacter.java
index f0f4d7807d..f3ba2ca370 100644
--- a/jme3-examples/src/main/java/jme3test/bullet/TestPhysicsCharacter.java
+++ b/jme3-examples/src/main/java/jme3test/bullet/TestPhysicsCharacter.java
@@ -109,7 +109,7 @@ public void simpleInitApp() {
     physicsCharacter = new CharacterControl(new CapsuleCollisionShape(0.5f, 1.8f), .1f);
     physicsCharacter.setPhysicsLocation(new Vector3f(0, 1, 0));
     Node characterNode = new Node("character node");
-    Spatial model = assetManager.loadModel("Models/Sinbad/Sinbad.mesh.xml");
+    Spatial model = assetManager.loadModel("Models/Sinbad/Sinbad.j3o");
     model.scale(0.25f);
     characterNode.addControl(physicsCharacter);
     getPhysicsSpace().add(physicsCharacter);
diff --git a/jme3-examples/src/main/java/jme3test/bullet/TestPhysicsRayCast.java b/jme3-examples/src/main/java/jme3test/bullet/TestPhysicsRayCast.java
index 9d3a77350e..e4453782bc 100644
--- a/jme3-examples/src/main/java/jme3test/bullet/TestPhysicsRayCast.java
+++ b/jme3-examples/src/main/java/jme3test/bullet/TestPhysicsRayCast.java
@@ -30,7 +30,7 @@ public void simpleInitApp() {
         stateManager.attach(bulletAppState);
         initCrossHair();
 
-        Spatial s = assetManager.loadModel("Models/Elephant/Elephant.mesh.xml");
+        Spatial s = assetManager.loadModel("Models/Elephant/Elephant.j3o");
         s.setLocalScale(0.1f);
 
         CollisionShape collisionShape = CollisionShapeFactory.createMeshShape(s);
diff --git a/jme3-examples/src/main/java/jme3test/bullet/TestRagdollCharacter.java b/jme3-examples/src/main/java/jme3test/bullet/TestRagdollCharacter.java
index b457e3b15b..06037c6cc6 100644
--- a/jme3-examples/src/main/java/jme3test/bullet/TestRagdollCharacter.java
+++ b/jme3-examples/src/main/java/jme3test/bullet/TestRagdollCharacter.java
@@ -160,8 +160,8 @@ public void simpleInitApp() {
                 physicsSpace);
         initWall(2f, 1f, 1f);
 
-        model = (Node) assetManager.loadModel("Models/Sinbad/Sinbad.mesh.xml");
-        rootNode.attachChild(model);
+        model = (Node) assetManager.loadModel("Models/Sinbad/Sinbad.j3o");
+        rootNode.attachChild(model);      
         model.lookAt(new Vector3f(0f, 0f, -1f), Vector3f.UNIT_Y);
         model.setLocalTranslation(4f, 0f, -7f);
 
diff --git a/jme3-examples/src/main/java/jme3test/bullet/TestWalkingChar.java b/jme3-examples/src/main/java/jme3test/bullet/TestWalkingChar.java
index 61f08d25f2..15cf0b4c92 100644
--- a/jme3-examples/src/main/java/jme3test/bullet/TestWalkingChar.java
+++ b/jme3-examples/src/main/java/jme3test/bullet/TestWalkingChar.java
@@ -294,7 +294,7 @@ private void createTerrain() {
     private void createCharacter() {
         CapsuleCollisionShape capsule = new CapsuleCollisionShape(3f, 4f);
         character = new CharacterControl(capsule, 0.01f);
-        model = (Node) assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+        model = (Node) assetManager.loadModel("Models/Oto/Oto.j3o");
         model.addControl(character);
         character.setPhysicsLocation(new Vector3f(-140, 40, -10));
         rootNode.attachChild(model);
diff --git a/jme3-examples/src/main/java/jme3test/bullet/shape/TestGimpactShape.java b/jme3-examples/src/main/java/jme3test/bullet/shape/TestGimpactShape.java
index f564790411..610ed9eafe 100644
--- a/jme3-examples/src/main/java/jme3test/bullet/shape/TestGimpactShape.java
+++ b/jme3-examples/src/main/java/jme3test/bullet/shape/TestGimpactShape.java
@@ -262,19 +262,19 @@ private void dropTest2(Vector3f offset) {
     }
 
     private void dropPot(Vector3f offset) {
-        drop(offset.add(-12, 7, 15), "Models/Teapot/Teapot.mesh.xml", 1.0f, 2);
+        drop(offset.add(-12, 7, 15), "Models/Teapot/Teapot.j3o", 1.0f, 2);
     }
 
     private void dropSword(Vector3f offset) {
-        drop(offset.add(-10, 5, 3), "Models/Sinbad/Sword.mesh.xml", 1.0f, 2);
+        drop(offset.add(-10, 5, 3), "Models/Sinbad/Sword.j3o", 1.0f, 2);
     }
 
     private void dropSign(Vector3f offset) {
-        drop(offset.add(9, 15, 5), "Models/Sign Post/Sign Post.mesh.xml", 1.0f, 1);
+        drop(offset.add(9, 15, 5), "Models/Sign Post/Sign Post.j3o", 1.0f, 1);
     }
 
     private void dropRocket(Vector3f offset) {
-        RigidBodyControl c = drop(offset.add(26, 4, 7), "Models/SpaceCraft/Rocket.mesh.xml", 4.0f, 3);
+        RigidBodyControl c = drop(offset.add(26, 4, 7), "Models/SpaceCraft/Rocket.j3o", 4.0f, 3);
         c.setAngularDamping(0.5f);
         c.setLinearDamping(0.5f);
     }
diff --git a/jme3-examples/src/main/java/jme3test/collision/TestMousePick.java b/jme3-examples/src/main/java/jme3test/collision/TestMousePick.java
index 00f25e59ef..94a0aeca53 100644
--- a/jme3-examples/src/main/java/jme3test/collision/TestMousePick.java
+++ b/jme3-examples/src/main/java/jme3test/collision/TestMousePick.java
@@ -119,7 +119,7 @@ private void setupScene() {
         shootables.attachChild(torus);
 
         // load a character from jme3-testdata
-        Spatial golem = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+        Spatial golem = assetManager.loadModel("Models/Oto/Oto.j3o");
         golem.scale(0.5f);
         golem.setLocalTranslation(-1.0f, -1.5f, -0.6f);
         shootables.attachChild(golem);
diff --git a/jme3-examples/src/main/java/jme3test/collision/TestRayCasting.java b/jme3-examples/src/main/java/jme3test/collision/TestRayCasting.java
index e3c1ba136b..47f9669778 100644
--- a/jme3-examples/src/main/java/jme3test/collision/TestRayCasting.java
+++ b/jme3-examples/src/main/java/jme3test/collision/TestRayCasting.java
@@ -71,7 +71,7 @@ public void simpleInitApp() {
         q.updateBound();
 //        Geometry teapot = new Geometry("MyGeom", q);
 
-        teapot = assetManager.loadModel("Models/Teapot/Teapot.mesh.xml");
+        teapot = assetManager.loadModel("Models/Teapot/Teapot.j3o");
 //        teapot.scale(2f, 2f, 2f);
 //        teapot.move(2f, 2f, -.5f);
         teapot.rotate(FastMath.HALF_PI, FastMath.HALF_PI, FastMath.HALF_PI);
diff --git a/jme3-examples/src/main/java/jme3test/collision/TestTriangleCollision.java b/jme3-examples/src/main/java/jme3test/collision/TestTriangleCollision.java
index 6d20ea1fc2..fcced40d04 100644
--- a/jme3-examples/src/main/java/jme3test/collision/TestTriangleCollision.java
+++ b/jme3-examples/src/main/java/jme3test/collision/TestTriangleCollision.java
@@ -70,7 +70,7 @@ public void simpleInitApp() {
         rootNode.attachChild(geom1);
 
         // load a character from jme3-testdata
-        golem = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+        golem = assetManager.loadModel("Models/Oto/Oto.j3o");
         golem.scale(0.5f);
         golem.setLocalTranslation(-1.0f, -1.5f, -0.6f);
 
diff --git a/jme3-examples/src/main/java/jme3test/effect/TestEverything.java b/jme3-examples/src/main/java/jme3test/effect/TestEverything.java
index bb5ab62a1a..7737c039d9 100644
--- a/jme3-examples/src/main/java/jme3test/effect/TestEverything.java
+++ b/jme3-examples/src/main/java/jme3test/effect/TestEverything.java
@@ -152,7 +152,7 @@ public void setupFloor(){
 //    }
 
     public void setupRobotGuy(){
-        Node model = (Node) assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+        Node model = (Node) assetManager.loadModel("Models/Oto/Oto.j3o");
         Material mat = assetManager.loadMaterial("Models/Oto/Oto.j3m");
         model.getChild(0).setMaterial(mat);
 //        model.setAnimation("Walk");
@@ -163,7 +163,7 @@ public void setupRobotGuy(){
     }
 
     public void setupSignpost(){
-        Spatial signpost = assetManager.loadModel("Models/Sign Post/Sign Post.mesh.xml");
+        Spatial signpost = assetManager.loadModel("Models/Sign Post/Sign Post.j3o");
         Material mat = assetManager.loadMaterial("Models/Sign Post/Sign Post.j3m");
         signpost.setMaterial(mat);
         signpost.rotate(0, FastMath.HALF_PI, 0);
diff --git a/jme3-examples/src/main/java/jme3test/export/TestAssetLinkNode.java b/jme3-examples/src/main/java/jme3test/export/TestAssetLinkNode.java
index 42e291da25..5535cf9bb2 100644
--- a/jme3-examples/src/main/java/jme3test/export/TestAssetLinkNode.java
+++ b/jme3-examples/src/main/java/jme3test/export/TestAssetLinkNode.java
@@ -67,7 +67,7 @@ public static void main(String[] args){
     @Override
     public void simpleInitApp() {
         AssetLinkNode loaderNode=new AssetLinkNode();
-        loaderNode.addLinkedChild(new ModelKey("Models/MonkeyHead/MonkeyHead.mesh.xml"));
+        loaderNode.addLinkedChild(new ModelKey("Models/MonkeyHead/MonkeyHead.j3o"));
         //load/attach the children (happens automatically on load)
 //        loaderNode.attachLinkedChildren(assetManager);
 //        rootNode.attachChild(loaderNode);
diff --git a/jme3-examples/src/main/java/jme3test/export/TestOgreConvert.java b/jme3-examples/src/main/java/jme3test/export/TestOgreConvert.java
index 2c1449f5d5..f7784c468e 100644
--- a/jme3-examples/src/main/java/jme3test/export/TestOgreConvert.java
+++ b/jme3-examples/src/main/java/jme3test/export/TestOgreConvert.java
@@ -51,8 +51,12 @@
  * plays an animation, and displays debugging information about its skinning
  * and material parameters.
  *
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
+ * Consider using glTF.
+ *
  * @author capdevon
  */
+@Deprecated
 public class TestOgreConvert extends SimpleApplication {
 
     public static void main(String[] args) {
diff --git a/jme3-examples/src/main/java/jme3test/helloworld/HelloAnimation.java b/jme3-examples/src/main/java/jme3test/helloworld/HelloAnimation.java
index 5af191916d..f227bd217e 100644
--- a/jme3-examples/src/main/java/jme3test/helloworld/HelloAnimation.java
+++ b/jme3-examples/src/main/java/jme3test/helloworld/HelloAnimation.java
@@ -71,7 +71,7 @@ public void simpleInitApp() {
     rootNode.addLight(dl);
 
     /* Load a model that contains animation */
-    Node player = (Node) assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+    Node player = (Node) assetManager.loadModel("Models/Oto/Oto.j3o");
     player.setLocalScale(0.5f);
     rootNode.attachChild(player);
 
diff --git a/jme3-examples/src/main/java/jme3test/helloworld/HelloAssets.java b/jme3-examples/src/main/java/jme3test/helloworld/HelloAssets.java
index d062ed8e98..2e682783ae 100644
--- a/jme3-examples/src/main/java/jme3test/helloworld/HelloAssets.java
+++ b/jme3-examples/src/main/java/jme3test/helloworld/HelloAssets.java
@@ -78,7 +78,7 @@ public void simpleInitApp() {
         guiNode.attachChild(helloText);
 
         /* Load a Ninja model (OgreXML + material + texture from test_data) */
-        Spatial ninja = assetManager.loadModel("Models/Ninja/Ninja.mesh.xml");
+        Spatial ninja = assetManager.loadModel("Models/Ninja/Ninja.j3o");
         ninja.scale(0.05f, 0.05f, 0.05f);
         ninja.rotate(0.0f, -3.0f, 0.0f);
         ninja.setLocalTranslation(0.0f, -5.0f, -2.0f);
diff --git a/jme3-examples/src/main/java/jme3test/helloworld/HelloPicking.java b/jme3-examples/src/main/java/jme3test/helloworld/HelloPicking.java
index 90e187a9a9..cf31eef824 100644
--- a/jme3-examples/src/main/java/jme3test/helloworld/HelloPicking.java
+++ b/jme3-examples/src/main/java/jme3test/helloworld/HelloPicking.java
@@ -169,7 +169,7 @@ private void initCrossHairs() {
 
   private Spatial makeCharacter() {
     // load a character from jme3-testdata
-    Spatial golem = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+    Spatial golem = assetManager.loadModel("Models/Oto/Oto.j3o");
     golem.scale(0.5f);
     golem.setLocalTranslation(-1.0f, -1.5f, -0.6f);
 
diff --git a/jme3-examples/src/main/java/jme3test/light/TestIssue2209.java b/jme3-examples/src/main/java/jme3test/light/TestIssue2209.java
index 4b0699de88..dc62d18f87 100644
--- a/jme3-examples/src/main/java/jme3test/light/TestIssue2209.java
+++ b/jme3-examples/src/main/java/jme3test/light/TestIssue2209.java
@@ -81,7 +81,7 @@ public void simpleInitApp() {
         dlsr.setLight(dl);
         viewPort.addProcessor(dlsr);
 
-        Node player = (Node) assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+        Node player = (Node) assetManager.loadModel("Models/Oto/Oto.j3o");
         player.setShadowMode(RenderQueue.ShadowMode.Cast);
         rootNode.attachChild(player);
     }
diff --git a/jme3-examples/src/main/java/jme3test/light/TestManyLights.java b/jme3-examples/src/main/java/jme3test/light/TestManyLights.java
index 644344b023..c8cafb5ba1 100644
--- a/jme3-examples/src/main/java/jme3test/light/TestManyLights.java
+++ b/jme3-examples/src/main/java/jme3test/light/TestManyLights.java
@@ -46,7 +46,7 @@ public static void main(String[] args){
     public void simpleInitApp() {
         flyCam.setMoveSpeed(10);
 
-        Node scene = (Node) assetManager.loadModel("Scenes/ManyLights/Main.scene");
+        Node scene = (Node) assetManager.loadModel("Scenes/ManyLights/Main.j3o");
         rootNode.attachChild(scene);
 //        guiNode.setCullHint(CullHint.Always);
     }
diff --git a/jme3-examples/src/main/java/jme3test/light/TestManyLightsSingle.java b/jme3-examples/src/main/java/jme3test/light/TestManyLightsSingle.java
index ca9365cb88..c3baebd369 100644
--- a/jme3-examples/src/main/java/jme3test/light/TestManyLightsSingle.java
+++ b/jme3-examples/src/main/java/jme3test/light/TestManyLightsSingle.java
@@ -77,10 +77,10 @@ public void simpleInitApp() {
 
         flyCam.setMoveSpeed(10);
 
-        Node scene = (Node) assetManager.loadModel("Scenes/ManyLights/Main.scene");
+        Node scene = (Node) assetManager.loadModel("Scenes/ManyLights/Main.j3o");
         rootNode.attachChild(scene);
         Node n = (Node) rootNode.getChild(0);
-        final LightList lightList = n.getWorldLightList();
+        final LightList lightList = n.getLocalLightList(); 
         final Geometry g = (Geometry) n.getChild("Grid-geom-1");
 
         g.getMaterial().setColor("Ambient", new ColorRGBA(0.2f, 0.2f, 0.2f, 1f));
diff --git a/jme3-examples/src/main/java/jme3test/light/TestShadowBug.java b/jme3-examples/src/main/java/jme3test/light/TestShadowBug.java
index acf2d6df13..13303b0f75 100644
--- a/jme3-examples/src/main/java/jme3test/light/TestShadowBug.java
+++ b/jme3-examples/src/main/java/jme3test/light/TestShadowBug.java
@@ -69,7 +69,7 @@ public void simpleInitApp() {
     characters.setShadowMode(ShadowMode.Cast);
     rootNode.attachChild(characters);
 
-    Spatial golem = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+    Spatial golem = assetManager.loadModel("Models/Oto/Oto.j3o");
     golem.scale(0.5f);
     golem.setLocalTranslation(200.0f, -6f, 200f);
     golem.setShadowMode(ShadowMode.CastAndReceive);
diff --git a/jme3-examples/src/main/java/jme3test/light/TestSpotLight.java b/jme3-examples/src/main/java/jme3test/light/TestSpotLight.java
index ed53b0de35..5aee773204 100644
--- a/jme3-examples/src/main/java/jme3test/light/TestSpotLight.java
+++ b/jme3-examples/src/main/java/jme3test/light/TestSpotLight.java
@@ -112,7 +112,7 @@ public void setupFloor(){
 
 
     public void setupSignpost(){
-        Spatial signpost = assetManager.loadModel("Models/Sign Post/Sign Post.mesh.xml");
+        Spatial signpost = assetManager.loadModel("Models/Sign Post/Sign Post.j3o");
         Material mat = assetManager.loadMaterial("Models/Sign Post/Sign Post.j3m");
       //   mat.setBoolean("VertexLighting", true);
         signpost.setMaterial(mat);
diff --git a/jme3-examples/src/main/java/jme3test/light/TestSpotLightShadows.java b/jme3-examples/src/main/java/jme3test/light/TestSpotLightShadows.java
index 11dd519ef3..3b4ff5ad4d 100644
--- a/jme3-examples/src/main/java/jme3test/light/TestSpotLightShadows.java
+++ b/jme3-examples/src/main/java/jme3test/light/TestSpotLightShadows.java
@@ -158,7 +158,7 @@ public void setupFloor() {
     }
 
     public void setupSignpost() {
-        Spatial signpost = assetManager.loadModel("Models/Sign Post/Sign Post.mesh.xml");
+        Spatial signpost = assetManager.loadModel("Models/Sign Post/Sign Post.j3o");
         Material mat = assetManager.loadMaterial("Models/Sign Post/Sign Post.j3m");
         //   mat.setBoolean("VertexLighting", true);
         signpost.setMaterial(mat);
diff --git a/jme3-examples/src/main/java/jme3test/material/TestBumpModel.java b/jme3-examples/src/main/java/jme3test/material/TestBumpModel.java
index 645dd074f5..5dd9cbe71e 100644
--- a/jme3-examples/src/main/java/jme3test/material/TestBumpModel.java
+++ b/jme3-examples/src/main/java/jme3test/material/TestBumpModel.java
@@ -57,7 +57,7 @@ public static void main(String[] args){
 
     @Override
     public void simpleInitApp() {
-        Spatial signpost = assetManager.loadAsset(new OgreMeshKey("Models/Sign Post/Sign Post.mesh.xml"));
+        Spatial signpost = assetManager.loadAsset(new OgreMeshKey("Models/Sign Post/Sign Post.j3o"));
         signpost.setMaterial(assetManager.loadMaterial("Models/Sign Post/Sign Post.j3m"));
         MikktspaceTangentGenerator.generate(signpost);
         rootNode.attachChild(signpost);
diff --git a/jme3-examples/src/main/java/jme3test/material/TestParallax.java b/jme3-examples/src/main/java/jme3test/material/TestParallax.java
index 3715806f6d..e2d07e0bde 100644
--- a/jme3-examples/src/main/java/jme3test/material/TestParallax.java
+++ b/jme3-examples/src/main/java/jme3test/material/TestParallax.java
@@ -84,7 +84,7 @@ public void setupFloor() {
     }
 
     public void setupSignpost() {
-        Spatial signpost = assetManager.loadModel("Models/Sign Post/Sign Post.mesh.xml");
+        Spatial signpost = assetManager.loadModel("Models/Sign Post/Sign Post.j3o");
         Material matSp = assetManager.loadMaterial("Models/Sign Post/Sign Post.j3m");
         MikktspaceTangentGenerator.generate(signpost);
         signpost.setMaterial(matSp);
diff --git a/jme3-examples/src/main/java/jme3test/material/TestParallaxPBR.java b/jme3-examples/src/main/java/jme3test/material/TestParallaxPBR.java
index 038066c68b..4ec3379d5c 100644
--- a/jme3-examples/src/main/java/jme3test/material/TestParallaxPBR.java
+++ b/jme3-examples/src/main/java/jme3test/material/TestParallaxPBR.java
@@ -88,7 +88,7 @@ public void setupFloor() {
     }
 
     public void setupSignpost() {
-        Spatial signpost = assetManager.loadModel("Models/Sign Post/Sign Post.mesh.xml");
+        Spatial signpost = assetManager.loadModel("Models/Sign Post/Sign Post.j3o");
         Material mat = assetManager.loadMaterial("Models/Sign Post/Sign Post.j3m");
         MikktspaceTangentGenerator.generate(signpost);
         signpost.setMaterial(mat);
diff --git a/jme3-examples/src/main/java/jme3test/model/TestHoverTank.java b/jme3-examples/src/main/java/jme3test/model/TestHoverTank.java
index 648f7390df..0aa0794059 100644
--- a/jme3-examples/src/main/java/jme3test/model/TestHoverTank.java
+++ b/jme3-examples/src/main/java/jme3test/model/TestHoverTank.java
@@ -57,7 +57,7 @@ public static void main(String[] args) {
 
     @Override
     public void simpleInitApp() {
-        Node tank = (Node) assetManager.loadModel("Models/HoverTank/Tank2.mesh.xml");
+        Node tank = (Node) assetManager.loadModel("Models/HoverTank/Tank2.j3o");
 
         flyCam.setEnabled(false);
         ChaseCamera chaseCam = new ChaseCamera(cam, tank, inputManager);
diff --git a/jme3-examples/src/main/java/jme3test/model/TestMonkeyHead.java b/jme3-examples/src/main/java/jme3test/model/TestMonkeyHead.java
index f97a71b3c0..893d2fd015 100644
--- a/jme3-examples/src/main/java/jme3test/model/TestMonkeyHead.java
+++ b/jme3-examples/src/main/java/jme3test/model/TestMonkeyHead.java
@@ -57,7 +57,7 @@ public static void main(String[] args){
     public void simpleInitApp() {
         viewPort.setBackgroundColor(ColorRGBA.DarkGray);
 
-        Spatial bumpy = assetManager.loadModel("Models/MonkeyHead/MonkeyHead.mesh.xml");
+        Spatial bumpy = assetManager.loadModel("Models/MonkeyHead/MonkeyHead.j3o");
         rootNode.attachChild(bumpy);
 
         lightMdl = new Geometry("Light", new Sphere(10, 10, 0.1f));
diff --git a/jme3-examples/src/main/java/jme3test/model/TestOgreLoading.java b/jme3-examples/src/main/java/jme3test/model/TestOgreLoading.java
index c3bc78f479..bae1c6f616 100644
--- a/jme3-examples/src/main/java/jme3test/model/TestOgreLoading.java
+++ b/jme3-examples/src/main/java/jme3test/model/TestOgreLoading.java
@@ -41,6 +41,14 @@
 import com.jme3.scene.Spatial;
 import com.jme3.scene.shape.Sphere;
 
+/**
+ * Example demonstrating Ogre model loading.
+ * 
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
+ * Consider using glTF.
+ * 
+ */
+@Deprecated
 public class TestOgreLoading extends SimpleApplication {
 
     private float angle1;
diff --git a/jme3-examples/src/main/java/jme3test/model/anim/TestAnimMigration.java b/jme3-examples/src/main/java/jme3test/model/anim/TestAnimMigration.java
index 18b09edbf2..75549374f2 100644
--- a/jme3-examples/src/main/java/jme3test/model/anim/TestAnimMigration.java
+++ b/jme3-examples/src/main/java/jme3test/model/anim/TestAnimMigration.java
@@ -76,9 +76,9 @@ public void simpleInitApp() {
         rootNode.addLight(new AmbientLight(ColorRGBA.DarkGray));
 
         Spatial model = assetManager.loadModel("Models/Jaime/Jaime.j3o");
-        // Spatial model = assetManager.loadModel("Models/Oto/Oto.mesh.xml").scale(0.2f).move(0, 1, 0);
-        //Spatial model = assetManager.loadModel("Models/Sinbad/Sinbad.mesh.xml");
-        //Spatial model = assetManager.loadModel("Models/Elephant/Elephant.mesh.xml").scale(0.02f);
+        // Spatial model = assetManager.loadModel("Models/Oto/Oto.j3o").scale(0.2f).move(0, 1, 0);
+        //Spatial model = assetManager.loadModel("Models/Sinbad/Sinbad.j3o");
+        //Spatial model = assetManager.loadModel("Models/Elephant/Elephant.j3o").scale(0.02f);
 
         AnimMigrationUtils.migrate(model);
 
diff --git a/jme3-examples/src/main/java/jme3test/model/anim/TestHWSkinning.java b/jme3-examples/src/main/java/jme3test/model/anim/TestHWSkinning.java
index bf882bf1a1..f5aac0b2fa 100644
--- a/jme3-examples/src/main/java/jme3test/model/anim/TestHWSkinning.java
+++ b/jme3-examples/src/main/java/jme3test/model/anim/TestHWSkinning.java
@@ -98,7 +98,7 @@ public void simpleInitApp() {
     }
 
     private Spatial loadModel(int i) {
-        Spatial model = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+        Spatial model = assetManager.loadModel("Models/Oto/Oto.j3o");
         model.setLocalScale(0.1f);
         AnimComposer composer = model.getControl(AnimComposer.class);
 
diff --git a/jme3-examples/src/main/java/jme3test/model/anim/TestIssue1395.java b/jme3-examples/src/main/java/jme3test/model/anim/TestIssue1395.java
index f0e8bd3a6b..801eebe5e1 100644
--- a/jme3-examples/src/main/java/jme3test/model/anim/TestIssue1395.java
+++ b/jme3-examples/src/main/java/jme3test/model/anim/TestIssue1395.java
@@ -69,7 +69,7 @@ public void simpleInitApp() {
         dl.setColor(new ColorRGBA(1f, 1f, 1f, 1f));
         rootNode.addLight(dl);
 
-        Spatial model = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+        Spatial model = assetManager.loadModel("Models/Oto/Oto.j3o");
         rootNode.attachChild(model);
         model.center();
 
diff --git a/jme3-examples/src/main/java/jme3test/model/anim/TestModelExportingCloning.java b/jme3-examples/src/main/java/jme3test/model/anim/TestModelExportingCloning.java
index 7795753b9d..6a20a980be 100644
--- a/jme3-examples/src/main/java/jme3test/model/anim/TestModelExportingCloning.java
+++ b/jme3-examples/src/main/java/jme3test/model/anim/TestModelExportingCloning.java
@@ -58,7 +58,7 @@ public void simpleInitApp() {
 
         AnimComposer composer;
 
-        Spatial originalModel = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+        Spatial originalModel = assetManager.loadModel("Models/Oto/Oto.j3o");
         composer = originalModel.getControl(AnimComposer.class);
         composer.setCurrentAction("Walk");
         composer.setGlobalSpeed(1.5f);
diff --git a/jme3-examples/src/main/java/jme3test/model/anim/TestOgreAnim.java b/jme3-examples/src/main/java/jme3test/model/anim/TestOgreAnim.java
index fbd9524d80..2402552991 100644
--- a/jme3-examples/src/main/java/jme3test/model/anim/TestOgreAnim.java
+++ b/jme3-examples/src/main/java/jme3test/model/anim/TestOgreAnim.java
@@ -53,6 +53,13 @@
 import com.jme3.scene.Spatial;
 import com.jme3.scene.shape.Box;
 
+/**
+ * Example demonstrating Ogre model animation.
+ * 
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
+ * Consider using glTF.
+ */
+@Deprecated
 public class TestOgreAnim extends SimpleApplication implements ActionListener {
 
     private AnimComposer animComposer;
diff --git a/jme3-examples/src/main/java/jme3test/model/anim/TestOgreComplexAnim.java b/jme3-examples/src/main/java/jme3test/model/anim/TestOgreComplexAnim.java
index aac2c1f970..4c7487b590 100644
--- a/jme3-examples/src/main/java/jme3test/model/anim/TestOgreComplexAnim.java
+++ b/jme3-examples/src/main/java/jme3test/model/anim/TestOgreComplexAnim.java
@@ -47,6 +47,13 @@
 import com.jme3.scene.Node;
 import com.jme3.scene.debug.custom.ArmatureDebugger;
 
+/**
+ * Example demonstrating complex Ogre model animations with armature masks and advanced blending.
+ * 
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
+ * Consider using glTF.
+ */
+@Deprecated
 public class TestOgreComplexAnim extends SimpleApplication {
 
     private SkinningControl skinningControl;
diff --git a/jme3-examples/src/main/java/jme3test/model/anim/TestSkeletonControlRefresh.java b/jme3-examples/src/main/java/jme3test/model/anim/TestSkeletonControlRefresh.java
index 3761858166..f51511dcd2 100644
--- a/jme3-examples/src/main/java/jme3test/model/anim/TestSkeletonControlRefresh.java
+++ b/jme3-examples/src/main/java/jme3test/model/anim/TestSkeletonControlRefresh.java
@@ -90,7 +90,7 @@ public void simpleInitApp() {
  
         for (int i = 0; i < SIZE; i++) {
             for (int j = 0; j < SIZE; j++) {
-                Spatial model = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+                Spatial model = assetManager.loadModel("Models/Oto/Oto.j3o");
                 //setting a different material
                 model.setMaterial(m.clone());
                 model.setLocalScale(0.1f);
diff --git a/jme3-examples/src/main/java/jme3test/network/TestRemoteCall.java b/jme3-examples/src/main/java/jme3test/network/TestRemoteCall.java
index 208af7b682..c35efa37c3 100644
--- a/jme3-examples/src/main/java/jme3test/network/TestRemoteCall.java
+++ b/jme3-examples/src/main/java/jme3test/network/TestRemoteCall.java
@@ -113,7 +113,7 @@ public static void main(String[] args) throws IOException, InterruptedException{
 
         ObjectStore store = new ObjectStore(client);
         ServerAccess access = store.getExposedObject("access", ServerAccess.class, true);
-        boolean result = access.attachChild("Models/Oto/Oto.mesh.xml");
+        boolean result = access.attachChild("Models/Oto/Oto.j3o");
         System.out.println(result);
     }
 }
diff --git a/jme3-examples/src/main/java/jme3test/post/TestCartoonEdge.java b/jme3-examples/src/main/java/jme3test/post/TestCartoonEdge.java
index ff6ab497f3..5d0b077e9d 100644
--- a/jme3-examples/src/main/java/jme3test/post/TestCartoonEdge.java
+++ b/jme3-examples/src/main/java/jme3test/post/TestCartoonEdge.java
@@ -103,7 +103,7 @@ public void setupLighting(){
     }
 
     public void setupModel(){
-        Spatial model = assetManager.loadModel("Models/MonkeyHead/MonkeyHead.mesh.xml");
+        Spatial model = assetManager.loadModel("Models/MonkeyHead/MonkeyHead.j3o");
         makeToonish(model);
         model.rotate(0, FastMath.PI, 0);
 //        signpost.setLocalTranslation(12, 3.5f, 30);
diff --git a/jme3-examples/src/main/java/jme3test/post/TestIssue1798.java b/jme3-examples/src/main/java/jme3test/post/TestIssue1798.java
index 79605f29a8..ca7168fe5d 100644
--- a/jme3-examples/src/main/java/jme3test/post/TestIssue1798.java
+++ b/jme3-examples/src/main/java/jme3test/post/TestIssue1798.java
@@ -128,7 +128,7 @@ private void setupLighting() {
     }
 
     private void setupModel() {
-        Spatial model = assetManager.loadModel("Models/MonkeyHead/MonkeyHead.mesh.xml");
+        Spatial model = assetManager.loadModel("Models/MonkeyHead/MonkeyHead.j3o");
         makeToonish(model);
         rootNode.attachChild(model);
     }
diff --git a/jme3-examples/src/main/java/jme3test/post/TestLightScattering.java b/jme3-examples/src/main/java/jme3test/post/TestLightScattering.java
index 83e0d464e8..03d03c72d3 100644
--- a/jme3-examples/src/main/java/jme3test/post/TestLightScattering.java
+++ b/jme3-examples/src/main/java/jme3test/post/TestLightScattering.java
@@ -65,7 +65,7 @@ public void simpleInitApp() {
         //cam.setFrustumFar(1000);
         flyCam.setMoveSpeed(10);
         Material mat = assetManager.loadMaterial("Textures/Terrain/Rocky/Rocky.j3m");
-        Spatial scene = assetManager.loadModel("Models/Terrain/Terrain.mesh.xml");
+        Spatial scene = assetManager.loadModel("Models/Terrain/Terrain.j3o");
         MikktspaceTangentGenerator.generate(((Geometry) ((Node) scene).getChild(0)).getMesh());
         scene.setMaterial(mat);
         scene.setShadowMode(ShadowMode.CastAndReceive);
diff --git a/jme3-examples/src/main/java/jme3test/post/TestPostFilters.java b/jme3-examples/src/main/java/jme3test/post/TestPostFilters.java
index a46b14655c..7920065748 100644
--- a/jme3-examples/src/main/java/jme3test/post/TestPostFilters.java
+++ b/jme3-examples/src/main/java/jme3test/post/TestPostFilters.java
@@ -120,7 +120,7 @@ public void setupFloor() {
     }
 
     public void setupSignpost() {
-        Spatial signpost = assetManager.loadModel("Models/Sign Post/Sign Post.mesh.xml");
+        Spatial signpost = assetManager.loadModel("Models/Sign Post/Sign Post.j3o");
         Material mat = assetManager.loadMaterial("Models/Sign Post/Sign Post.j3m");
         signpost.setMaterial(mat);
         signpost.rotate(0, FastMath.HALF_PI, 0);
diff --git a/jme3-examples/src/main/java/jme3test/post/TestSSAO2.java b/jme3-examples/src/main/java/jme3test/post/TestSSAO2.java
index 34fe62e27c..406ad65fb0 100644
--- a/jme3-examples/src/main/java/jme3test/post/TestSSAO2.java
+++ b/jme3-examples/src/main/java/jme3test/post/TestSSAO2.java
@@ -68,7 +68,7 @@ public void simpleInitApp() {
         floor.setMaterial(mat);
         rootNode.attachChild(floor);
 
-        Node teapotNode = (Node) assetManager.loadModel("Models/Teapot/Teapot.mesh.xml");
+        Node teapotNode = (Node) assetManager.loadModel("Models/Teapot/Teapot.j3o");
         Geometry teapot = (Geometry) teapotNode.getChild(0);
         teapot.setMaterial(mat);
 //        Sphere sph = new Sphere(16, 16, 4);
diff --git a/jme3-examples/src/main/java/jme3test/post/TestSoftBloom.java b/jme3-examples/src/main/java/jme3test/post/TestSoftBloom.java
index e277e8f943..ca367c51e2 100644
--- a/jme3-examples/src/main/java/jme3test/post/TestSoftBloom.java
+++ b/jme3-examples/src/main/java/jme3test/post/TestSoftBloom.java
@@ -120,7 +120,7 @@ public void simpleInitApp() {
         tankMat.setFloat("EmissivePower", emissionPower);
         tankMat.setFloat("EmissiveIntensity", 50);
         tankMat.setFloat("Metallic", .5f);
-        Spatial tank = assetManager.loadModel("Models/HoverTank/Tank2.mesh.xml");
+        Spatial tank = assetManager.loadModel("Models/HoverTank/Tank2.j3o");
         tank.setLocalTranslation(-10, 5, -10);
         tank.setMaterial(tankMat);
         rootNode.attachChild(tank);
diff --git a/jme3-examples/src/main/java/jme3test/scene/TestUserData.java b/jme3-examples/src/main/java/jme3test/scene/TestUserData.java
index b482f1906e..45f41bb6be 100644
--- a/jme3-examples/src/main/java/jme3test/scene/TestUserData.java
+++ b/jme3-examples/src/main/java/jme3test/scene/TestUserData.java
@@ -45,7 +45,7 @@ public static void main(String[] args) {
 
     @Override
     public void simpleInitApp() {
-        Node scene = (Node) assetManager.loadModel("Scenes/DotScene/DotScene.scene");
+        Node scene = (Node) assetManager.loadModel("Scenes/DotScene/DotScene.j3o");
         System.out.println("Scene: " + scene);
 
         Spatial testNode = scene.getChild("TestNode");
diff --git a/jme3-examples/src/main/java/jme3test/stress/TestBatchLod.java b/jme3-examples/src/main/java/jme3test/stress/TestBatchLod.java
index 717ed6d8f6..af0c720cc1 100644
--- a/jme3-examples/src/main/java/jme3test/stress/TestBatchLod.java
+++ b/jme3-examples/src/main/java/jme3test/stress/TestBatchLod.java
@@ -56,7 +56,7 @@ public void simpleInitApp() {
         dl.setDirection(new Vector3f(-1, -1, -1).normalizeLocal());
         rootNode.addLight(dl);
 
-        Node teapotNode = (Node) assetManager.loadModel("Models/Teapot/Teapot.mesh.xml");
+        Node teapotNode = (Node) assetManager.loadModel("Models/Teapot/Teapot.j3o");
         Geometry teapot = (Geometry) teapotNode.getChild(0);
 
         Material mat = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
diff --git a/jme3-examples/src/main/java/jme3test/stress/TestLodGeneration.java b/jme3-examples/src/main/java/jme3test/stress/TestLodGeneration.java
index 6c7e3d965d..61885fb92d 100644
--- a/jme3-examples/src/main/java/jme3test/stress/TestLodGeneration.java
+++ b/jme3-examples/src/main/java/jme3test/stress/TestLodGeneration.java
@@ -85,7 +85,7 @@ public void simpleInitApp() {
         rootNode.addLight(al);
 
         // --- Model Loading and Setup ---
-        // model = (Node) assetManager.loadModel("Models/Sinbad/Sinbad.mesh.xml");
+        // model = (Node) assetManager.loadModel("Models/Sinbad/Sinbad.j3o");
         Node model = (Node) assetManager.loadModel("Models/Jaime/Jaime.j3o");
         BoundingBox b = ((BoundingBox) model.getWorldBound());
         model.setLocalScale(1.2f / (b.getYExtent() * 2));
diff --git a/jme3-examples/src/main/java/jme3test/stress/TestLodStress.java b/jme3-examples/src/main/java/jme3test/stress/TestLodStress.java
index a02616680f..ec539ad12a 100644
--- a/jme3-examples/src/main/java/jme3test/stress/TestLodStress.java
+++ b/jme3-examples/src/main/java/jme3test/stress/TestLodStress.java
@@ -56,7 +56,7 @@ public void simpleInitApp() {
         dl.setDirection(new Vector3f(-1,-1,-1).normalizeLocal());
         rootNode.addLight(dl);
 
-        Node teapotNode = (Node) assetManager.loadModel("Models/Teapot/Teapot.mesh.xml");
+        Node teapotNode = (Node) assetManager.loadModel("Models/Teapot/Teapot.j3o");
         Geometry teapot = (Geometry) teapotNode.getChild(0);
         
 //        Sphere sph = new Sphere(16, 16, 4);
diff --git a/jme3-examples/src/main/java/jme3test/tools/TestSaveGame.java b/jme3-examples/src/main/java/jme3test/tools/TestSaveGame.java
index 2c54a5bdc9..52fd0df5e4 100644
--- a/jme3-examples/src/main/java/jme3test/tools/TestSaveGame.java
+++ b/jme3-examples/src/main/java/jme3test/tools/TestSaveGame.java
@@ -60,7 +60,7 @@ public void simpleInitApp() {
         myPlayer.setUserData("points", 0);
 
         // Attach the model to the Node.
-        Spatial model = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+        Spatial model = assetManager.loadModel("Models/Oto/Oto.j3o");
         myPlayer.attachChild(model);
 
         // Before saving the game, detach the model since it doesn't need to be saved.
diff --git a/jme3-examples/src/main/java/jme3test/tools/TestTextureAtlas.java b/jme3-examples/src/main/java/jme3test/tools/TestTextureAtlas.java
index 5c3d6c98cb..6d18854fe6 100644
--- a/jme3-examples/src/main/java/jme3test/tools/TestTextureAtlas.java
+++ b/jme3-examples/src/main/java/jme3test/tools/TestTextureAtlas.java
@@ -53,15 +53,15 @@ public static void main(String[] args) {
     public void simpleInitApp() {
         flyCam.setMoveSpeed(50);
         Node scene = new Node("Scene");
-        Spatial obj1 = assetManager.loadModel("Models/Ferrari/Car.scene");
+        Spatial obj1 = assetManager.loadModel("Models/Ferrari/Car_Scene.j3o");
         obj1.setLocalTranslation(-4, 0, 0);
-        Spatial obj2 = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+        Spatial obj2 = assetManager.loadModel("Models/Oto/Oto.j3o");
         obj2.setLocalTranslation(-2, 0, 0);
-        Spatial obj3 = assetManager.loadModel("Models/Ninja/Ninja.mesh.xml");
+        Spatial obj3 = assetManager.loadModel("Models/Ninja/Ninja.j3o");
         obj3.setLocalTranslation(-0, 0, 0);
-        Spatial obj4 = assetManager.loadModel("Models/Sinbad/Sinbad.mesh.xml");
+        Spatial obj4 = assetManager.loadModel("Models/Sinbad/Sinbad.j3o");
         obj4.setLocalTranslation(2, 0, 0);
-        Spatial obj5 = assetManager.loadModel("Models/Tree/Tree.mesh.j3o");
+        Spatial obj5 = assetManager.loadModel("Models/Tree/Tree.j3o");
         obj5.setLocalTranslation(4, 0, 0);
         scene.attachChild(obj1);
         scene.attachChild(obj2);
diff --git a/jme3-examples/src/main/java/jme3test/water/TestSimpleWater.java b/jme3-examples/src/main/java/jme3test/water/TestSimpleWater.java
index 5bc6604a91..492fa63802 100644
--- a/jme3-examples/src/main/java/jme3test/water/TestSimpleWater.java
+++ b/jme3-examples/src/main/java/jme3test/water/TestSimpleWater.java
@@ -81,7 +81,7 @@ public void simpleInitApp() {
 
         //create water quad
         //waterPlane = waterProcessor.createWaterGeometry(100, 100);
-        waterPlane = assetManager.loadModel("Models/WaterTest/WaterTest.mesh.xml");
+        waterPlane = assetManager.loadModel("Models/WaterTest/WaterTest.j3o");
         waterPlane.setMaterial(waterProcessor.getMaterial());
         waterPlane.setLocalScale(40);
         waterPlane.setLocalTranslation(-5, 0, 5);
diff --git a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MaterialLoader.java b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MaterialLoader.java
index 5c0b33ed63..1734cd295a 100644
--- a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MaterialLoader.java
+++ b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MaterialLoader.java
@@ -53,6 +53,13 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
+/**
+ * Loads Ogre3D material files.
+ * 
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
+ * Consider using glTF.
+ */
+@Deprecated
 public class MaterialLoader implements AssetLoader {
 
     private static final Logger logger = Logger.getLogger(MaterialLoader.class.getName());
diff --git a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MeshAnimationLoader.java b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MeshAnimationLoader.java
index 3d198fd857..5627fb47e5 100644
--- a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MeshAnimationLoader.java
+++ b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MeshAnimationLoader.java
@@ -46,7 +46,11 @@
 
 /**
  * Utility class used by OgreLoader to load poses and mesh animations.
+ * 
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
+ * Consider using glTF.
  */
+@Deprecated
 public class MeshAnimationLoader {
 
 //    public static void loadMeshAnimations(Node animationsNode, List<Pose> poseList, OgreMesh sharedgeom, List<OgreMesh> submeshes, Map<String, Animation> animations){
diff --git a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MeshLoader.java b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MeshLoader.java
index 337b0527fd..567236291c 100644
--- a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MeshLoader.java
+++ b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MeshLoader.java
@@ -60,7 +60,11 @@
 
 /**
  * Loads Ogre3D mesh.xml files.
+ * 
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
+ * Consider using glTF.
  */
+@Deprecated
 public class MeshLoader extends DefaultHandler implements AssetLoader {
 
     private static final Logger logger = Logger.getLogger(MeshLoader.class.getName());
diff --git a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/OgreMeshKey.java b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/OgreMeshKey.java
index d0458899b2..4b8d3274fa 100644
--- a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/OgreMeshKey.java
+++ b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/OgreMeshKey.java
@@ -40,8 +40,12 @@
  * are retrieved, instead of loading the material file as the same
  * name as the model (the default).
  * 
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
+ * Consider using glTF.
+ * 
  * @author Kirill Vainer
  */
+@Deprecated
 public class OgreMeshKey extends ModelKey {
 
     private MaterialList materialList;
diff --git a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SceneLoader.java b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SceneLoader.java
index 8bd469d3aa..d20960ae56 100644
--- a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SceneLoader.java
+++ b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SceneLoader.java
@@ -64,6 +64,13 @@
 import org.xml.sax.XMLReader;
 import org.xml.sax.helpers.DefaultHandler;
 
+/**
+ * Loads Ogre3D .scene files.
+ * 
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
+ * Consider using glTF.
+ */
+@Deprecated
 public class SceneLoader extends DefaultHandler implements AssetLoader {
 
     private static final int DEFAULT_CAM_WIDTH = 640;
diff --git a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SceneMaterialLoader.java b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SceneMaterialLoader.java
index 63c2fcdf74..9f77cb0b46 100644
--- a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SceneMaterialLoader.java
+++ b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SceneMaterialLoader.java
@@ -57,8 +57,11 @@
  * used by the SceneLoader doesn't support reading bottom XML nodes
  * before reading the top nodes.
  * 
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
+ * Consider using glTF.
  * @author Kirill Vainer
  */
+@Deprecated
 class SceneMaterialLoader extends DefaultHandler {
     
     private static final Logger logger = Logger.getLogger(SceneMaterialLoader.class.getName());
diff --git a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SceneMeshLoader.java b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SceneMeshLoader.java
index 5ea589d249..ea22b5efa3 100644
--- a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SceneMeshLoader.java
+++ b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SceneMeshLoader.java
@@ -8,6 +8,13 @@
 import com.jme3.asset.AssetKey;
 import com.jme3.scene.Spatial;
 
+/**
+ * Caching mesh loader for Ogre scene files.
+ * 
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
+ * Consider using glTF.
+ */
+@Deprecated
 public class SceneMeshLoader extends MeshLoader{
     private Map<AssetKey,Spatial> cache=new HashMap<>();
     @Override
diff --git a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SkeletonLoader.java b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SkeletonLoader.java
index 7fee37edfb..634b318470 100644
--- a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SkeletonLoader.java
+++ b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/SkeletonLoader.java
@@ -48,6 +48,13 @@
 import java.util.*;
 import java.util.logging.Logger;
 
+/**
+ * Loads Ogre3D skeleton.xml files.
+ * 
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
+ * Consider using glTF.
+ */
+@Deprecated
 public class SkeletonLoader extends DefaultHandler implements AssetLoader {
 
     private static final Logger logger = Logger.getLogger(SceneLoader.class.getName());
diff --git a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/package-info.java b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/package-info.java
index 4331630743..72d5650210 100644
--- a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/package-info.java
+++ b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/package-info.java
@@ -30,6 +30,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 /**
- * import 3-D models in formats defined by the OGRE 3-D engine
+ * @deprecated as of jMonkeyEngine 3.10, for removal in a future version.
  */
+@Deprecated
 package com.jme3.scene.plugins.ogre;
diff --git a/jme3-screenshot-tests/src/test/java/org/jmonkeyengine/screenshottests/post/TestCartoonEdge.java b/jme3-screenshot-tests/src/test/java/org/jmonkeyengine/screenshottests/post/TestCartoonEdge.java
index 3f40859c18..bfe050b106 100644
--- a/jme3-screenshot-tests/src/test/java/org/jmonkeyengine/screenshottests/post/TestCartoonEdge.java
+++ b/jme3-screenshot-tests/src/test/java/org/jmonkeyengine/screenshottests/post/TestCartoonEdge.java
@@ -106,7 +106,7 @@ private void setupLighting(Node rootNode) {
             }
 
             private void setupModel(SimpleApplication app, Node rootNode) {
-                Spatial model = app.getAssetManager().loadModel("Models/MonkeyHead/MonkeyHead.mesh.xml");
+                Spatial model = app.getAssetManager().loadModel("Models/MonkeyHead/MonkeyHead.j3o");
                 makeToonish(app, model);
                 model.rotate(0, FastMath.PI, 0);
                 rootNode.attachChild(model);
diff --git a/jme3-screenshot-tests/src/test/java/org/jmonkeyengine/screenshottests/post/TestLightScattering.java b/jme3-screenshot-tests/src/test/java/org/jmonkeyengine/screenshottests/post/TestLightScattering.java
index 5353226f90..b9fd7dce02 100644
--- a/jme3-screenshot-tests/src/test/java/org/jmonkeyengine/screenshottests/post/TestLightScattering.java
+++ b/jme3-screenshot-tests/src/test/java/org/jmonkeyengine/screenshottests/post/TestLightScattering.java
@@ -76,7 +76,7 @@ protected void initialize(Application app) {
                 simpleApplication.getCamera().setRotation(new Quaternion(0.010414706f, 0.9874893f, 0.13880467f, -0.07409228f));
 
                 Material mat = simpleApplication.getAssetManager().loadMaterial("Textures/Terrain/Rocky/Rocky.j3m");
-                Spatial scene = simpleApplication.getAssetManager().loadModel("Models/Terrain/Terrain.mesh.xml");
+                Spatial scene = simpleApplication.getAssetManager().loadModel("Models/Terrain/Terrain.j3o");
                 MikktspaceTangentGenerator.generate(((Geometry) ((Node) scene).getChild(0)).getMesh());
                 scene.setMaterial(mat);
                 scene.setShadowMode(ShadowMode.CastAndReceive);
diff --git a/jme3-testdata/src/main/resources/Models/Elephant/Elephant.j3o b/jme3-testdata/src/main/resources/Models/Elephant/Elephant.j3o
new file mode 100644
index 0000000000..5257fe842b
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/Elephant/Elephant.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/Ferrari/Car.j3o b/jme3-testdata/src/main/resources/Models/Ferrari/Car.j3o
new file mode 100644
index 0000000000..7e9f8c6b09
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/Ferrari/Car.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/Ferrari/Car_Scene.j3o b/jme3-testdata/src/main/resources/Models/Ferrari/Car_Scene.j3o
new file mode 100644
index 0000000000..5c81c04e74
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/Ferrari/Car_Scene.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/HoverTank/Tank2.j3o b/jme3-testdata/src/main/resources/Models/HoverTank/Tank2.j3o
new file mode 100644
index 0000000000..ab994cf587
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/HoverTank/Tank2.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/MonkeyHead/MonkeyHead.j3o b/jme3-testdata/src/main/resources/Models/MonkeyHead/MonkeyHead.j3o
new file mode 100644
index 0000000000..2ad682cef0
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/MonkeyHead/MonkeyHead.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/Ninja/Ninja.j3o b/jme3-testdata/src/main/resources/Models/Ninja/Ninja.j3o
new file mode 100644
index 0000000000..f8d1deea5e
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/Ninja/Ninja.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/Oto/Oto.j3o b/jme3-testdata/src/main/resources/Models/Oto/Oto.j3o
new file mode 100644
index 0000000000..bcd1605bc1
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/Oto/Oto.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/Sign Post/Sign Post.j3o b/jme3-testdata/src/main/resources/Models/Sign Post/Sign Post.j3o
new file mode 100644
index 0000000000..4c68529823
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/Sign Post/Sign Post.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/Sinbad/Sinbad.j3o b/jme3-testdata/src/main/resources/Models/Sinbad/Sinbad.j3o
new file mode 100644
index 0000000000..456db94aa7
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/Sinbad/Sinbad.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/Sinbad/Sword.j3o b/jme3-testdata/src/main/resources/Models/Sinbad/Sword.j3o
new file mode 100644
index 0000000000..f539a9dc4f
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/Sinbad/Sword.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/SpaceCraft/Rocket.j3o b/jme3-testdata/src/main/resources/Models/SpaceCraft/Rocket.j3o
new file mode 100644
index 0000000000..62c7312274
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/SpaceCraft/Rocket.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/Teapot/Teapot.j3o b/jme3-testdata/src/main/resources/Models/Teapot/Teapot.j3o
new file mode 100644
index 0000000000..9823bf2ace
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/Teapot/Teapot.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/Terrain/Terrain.j3o b/jme3-testdata/src/main/resources/Models/Terrain/Terrain.j3o
new file mode 100644
index 0000000000..0638feb5b0
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/Terrain/Terrain.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/Tree/Tree.j3o b/jme3-testdata/src/main/resources/Models/Tree/Tree.j3o
new file mode 100644
index 0000000000..b86c46d026
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/Tree/Tree.j3o differ
diff --git a/jme3-testdata/src/main/resources/Models/WaterTest/WaterTest.j3o b/jme3-testdata/src/main/resources/Models/WaterTest/WaterTest.j3o
new file mode 100644
index 0000000000..e21ecafe96
Binary files /dev/null and b/jme3-testdata/src/main/resources/Models/WaterTest/WaterTest.j3o differ
diff --git a/jme3-testdata/src/main/resources/Scenes/DotScene/DotScene.j3o b/jme3-testdata/src/main/resources/Scenes/DotScene/DotScene.j3o
new file mode 100644
index 0000000000..b87f39fa6f
Binary files /dev/null and b/jme3-testdata/src/main/resources/Scenes/DotScene/DotScene.j3o differ
diff --git a/jme3-testdata/src/main/resources/Scenes/ManyLights/Grid.j3o b/jme3-testdata/src/main/resources/Scenes/ManyLights/Grid.j3o
new file mode 100644
index 0000000000..be060c7155
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diff --git a/jme3-testdata/src/main/resources/Scenes/ManyLights/Main.j3o b/jme3-testdata/src/main/resources/Scenes/ManyLights/Main.j3o
new file mode 100644
index 0000000000..15e79dd15b
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