diff --git a/CHANGELOG.md b/CHANGELOG.md
index d44007385..5b89eea03 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -127,6 +127,7 @@
     Feature #3983: Wizard: Add link to buy Morrowind
     Feature #4894: Consider actors as obstacles for pathfinding
     Feature #4899: Alpha-To-Coverage Anti-Aliasing for alpha testing
+    Feature #4917: Do not trigger NavMesh update when RecastMesh update should not change NavMesh
     Feature #4977: Use the "default icon.tga" when an item's icon is not found
     Feature #5043: Head Bobbing
     Feature #5199: OpenMW-CS: Improve scene view colors
diff --git a/apps/openmw_test_suite/detournavigator/navigator.cpp b/apps/openmw_test_suite/detournavigator/navigator.cpp
index d377aed1e..3b7dc4915 100644
--- a/apps/openmw_test_suite/detournavigator/navigator.cpp
+++ b/apps/openmw_test_suite/detournavigator/navigator.cpp
@@ -835,4 +835,55 @@ namespace
 
         ASSERT_THAT(result, Optional(Vec3fEq(mEnd.x(), mEnd.y(), 1.87719)));
     }
+
+    TEST_F(DetourNavigatorNavigatorTest, update_for_oscillating_object_that_does_not_change_navmesh_should_not_trigger_navmesh_update)
+    {
+        const std::array<btScalar, 5 * 5> heightfieldData {{
+            0,   0,    0,    0,    0,
+            0, -25,  -25,  -25,  -25,
+            0, -25, -100, -100, -100,
+            0, -25, -100, -100, -100,
+            0, -25, -100, -100, -100,
+        }};
+        btHeightfieldTerrainShape heightfieldShape = makeSquareHeightfieldTerrainShape(heightfieldData);
+        heightfieldShape.setLocalScaling(btVector3(128, 128, 1));
+
+        const btBoxShape oscillatingBoxShape(btVector3(20, 20, 20));
+        const btVector3 oscillatingBoxShapePosition(32, 32, 400);
+        const btBoxShape boderBoxShape(btVector3(50, 50, 50));
+
+        mNavigator->addAgent(mAgentHalfExtents);
+        mNavigator->addObject(ObjectId(&heightfieldShape), heightfieldShape, btTransform::getIdentity());
+        mNavigator->addObject(ObjectId(&oscillatingBoxShape), oscillatingBoxShape,
+                              btTransform(btMatrix3x3::getIdentity(), oscillatingBoxShapePosition));
+        // add this box to make navmesh bound box independent from oscillatingBoxShape rotations
+        mNavigator->addObject(ObjectId(&boderBoxShape), boderBoxShape,
+                              btTransform(btMatrix3x3::getIdentity(), oscillatingBoxShapePosition + btVector3(0, 0, 200)));
+        mNavigator->update(mPlayerPosition);
+        mNavigator->wait();
+
+        const auto navMeshes = mNavigator->getNavMeshes();
+        ASSERT_EQ(navMeshes.size(), 1);
+        {
+            const auto navMesh = navMeshes.begin()->second->lockConst();
+            ASSERT_EQ(navMesh->getGeneration(), 1);
+            ASSERT_EQ(navMesh->getNavMeshRevision(), 4);
+        }
+
+        for (int n = 0; n < 10; ++n)
+        {
+            const btTransform transform(btQuaternion(btVector3(0, 0, 1), n * 2 * osg::PI / 10),
+                                        oscillatingBoxShapePosition);
+            mNavigator->updateObject(ObjectId(&oscillatingBoxShape), oscillatingBoxShape, transform);
+            mNavigator->update(mPlayerPosition);
+            mNavigator->wait();
+        }
+
+        ASSERT_EQ(navMeshes.size(), 1);
+        {
+            const auto navMesh = navMeshes.begin()->second->lockConst();
+            ASSERT_EQ(navMesh->getGeneration(), 1);
+            ASSERT_EQ(navMesh->getNavMeshRevision(), 4);
+        }
+    }
 }
diff --git a/components/CMakeLists.txt b/components/CMakeLists.txt
index 970f029b4..2fe09070a 100644
--- a/components/CMakeLists.txt
+++ b/components/CMakeLists.txt
@@ -183,6 +183,7 @@ add_component_dir(detournavigator
     findrandompointaroundcircle
     raycast
     navmeshtileview
+    oscillatingrecastmeshobject
     )
 
 set (ESM_UI ${CMAKE_SOURCE_DIR}/files/ui/contentselector.ui
diff --git a/components/bullethelpers/aabb.hpp b/components/bullethelpers/aabb.hpp
new file mode 100644
index 000000000..6509b946c
--- /dev/null
+++ b/components/bullethelpers/aabb.hpp
@@ -0,0 +1,29 @@
+#ifndef OPENMW_COMPONENTS_BULLETHELPERS_AABB_H
+#define OPENMW_COMPONENTS_BULLETHELPERS_AABB_H
+
+#include <LinearMath/btVector3.h>
+#include <LinearMath/btTransform.h>
+#include <BulletCollision/CollisionShapes/btCollisionShape.h>
+#include <BulletCollision/Gimpact/btBoxCollision.h>
+
+inline bool operator==(const btAABB& lhs, const btAABB& rhs)
+{
+    return lhs.m_min == rhs.m_min && lhs.m_max == rhs.m_max;
+}
+
+inline bool operator!=(const btAABB& lhs, const btAABB& rhs)
+{
+    return !(lhs == rhs);
+}
+
+namespace BulletHelpers
+{
+    inline btAABB getAabb(const btCollisionShape& shape, const btTransform& transform)
+    {
+        btAABB result;
+        shape.getAabb(transform, result.m_min, result.m_max);
+        return result;
+    }
+}
+
+#endif
diff --git a/components/detournavigator/asyncnavmeshupdater.cpp b/components/detournavigator/asyncnavmeshupdater.cpp
index bb78df764..4855cf0ad 100644
--- a/components/detournavigator/asyncnavmeshupdater.cpp
+++ b/components/detournavigator/asyncnavmeshupdater.cpp
@@ -2,6 +2,7 @@
 #include "debug.hpp"
 #include "makenavmesh.hpp"
 #include "settings.hpp"
+#include "version.hpp"
 
 #include <components/debug/debuglog.hpp>
 #include <components/misc/thread.hpp>
@@ -180,6 +181,19 @@ namespace DetourNavigator
         const auto status = updateNavMesh(job.mAgentHalfExtents, recastMesh.get(), job.mChangedTile, playerTile,
             offMeshConnections, mSettings, navMeshCacheItem, mNavMeshTilesCache);
 
+        if (recastMesh != nullptr)
+        {
+            Version navMeshVersion;
+            {
+                const auto locked = navMeshCacheItem->lockConst();
+                navMeshVersion.mGeneration = locked->getGeneration();
+                navMeshVersion.mRevision = locked->getNavMeshRevision();
+            }
+            mRecastMeshManager.get().reportNavMeshChange(job.mChangedTile,
+                Version {recastMesh->getGeneration(), recastMesh->getRevision()},
+                navMeshVersion);
+        }
+
         const auto finish = std::chrono::steady_clock::now();
 
         writeDebugFiles(job, recastMesh.get());
diff --git a/components/detournavigator/cachedrecastmeshmanager.cpp b/components/detournavigator/cachedrecastmeshmanager.cpp
index 90b426610..22b047fbd 100644
--- a/components/detournavigator/cachedrecastmeshmanager.cpp
+++ b/components/detournavigator/cachedrecastmeshmanager.cpp
@@ -61,4 +61,9 @@ namespace DetourNavigator
     {
         return mImpl.isEmpty();
     }
+
+    void CachedRecastMeshManager::reportNavMeshChange(Version recastMeshVersion, Version navMeshVersion)
+    {
+        mImpl.reportNavMeshChange(recastMeshVersion, navMeshVersion);
+    }
 }
diff --git a/components/detournavigator/cachedrecastmeshmanager.hpp b/components/detournavigator/cachedrecastmeshmanager.hpp
index 54574aa99..a19f017a4 100644
--- a/components/detournavigator/cachedrecastmeshmanager.hpp
+++ b/components/detournavigator/cachedrecastmeshmanager.hpp
@@ -2,6 +2,7 @@
 #define OPENMW_COMPONENTS_DETOURNAVIGATOR_CACHEDRECASTMESHMANAGER_H
 
 #include "recastmeshmanager.hpp"
+#include "version.hpp"
 
 namespace DetourNavigator
 {
@@ -25,6 +26,8 @@ namespace DetourNavigator
 
         bool isEmpty() const;
 
+        void reportNavMeshChange(Version recastMeshVersion, Version navMeshVersion);
+
     private:
         RecastMeshManager mImpl;
         std::shared_ptr<RecastMesh> mCached;
diff --git a/components/detournavigator/oscillatingrecastmeshobject.cpp b/components/detournavigator/oscillatingrecastmeshobject.cpp
new file mode 100644
index 000000000..dd0b95600
--- /dev/null
+++ b/components/detournavigator/oscillatingrecastmeshobject.cpp
@@ -0,0 +1,35 @@
+#include "oscillatingrecastmeshobject.hpp"
+
+#include <components/bullethelpers/aabb.hpp>
+
+namespace DetourNavigator
+{
+    OscillatingRecastMeshObject::OscillatingRecastMeshObject(RecastMeshObject impl, std::size_t lastChangeRevision)
+        : mImpl(std::move(impl))
+        , mLastChangeRevision(lastChangeRevision)
+        , mAabb(BulletHelpers::getAabb(mImpl.getShape(), mImpl.getTransform()))
+    {
+    }
+
+    bool OscillatingRecastMeshObject::update(const btTransform& transform, const AreaType areaType,
+                                             std::size_t lastChangeRevision)
+    {
+        const btTransform oldTransform = mImpl.getTransform();
+        if (!mImpl.update(transform, areaType))
+            return false;
+        if (transform == oldTransform)
+            return true;
+        if (mLastChangeRevision != lastChangeRevision)
+        {
+            mLastChangeRevision = lastChangeRevision;
+            // btAABB doesn't have copy-assignment operator
+            const btAABB aabb = BulletHelpers::getAabb(mImpl.getShape(), transform);
+            mAabb.m_min = aabb.m_min;
+            mAabb.m_max = aabb.m_max;
+            return true;
+        }
+        const btAABB currentAabb = mAabb;
+        mAabb.merge(BulletHelpers::getAabb(mImpl.getShape(), transform));
+        return currentAabb != mAabb;
+    }
+}
diff --git a/components/detournavigator/oscillatingrecastmeshobject.hpp b/components/detournavigator/oscillatingrecastmeshobject.hpp
new file mode 100644
index 000000000..476fd4e0d
--- /dev/null
+++ b/components/detournavigator/oscillatingrecastmeshobject.hpp
@@ -0,0 +1,28 @@
+#ifndef OPENMW_COMPONENTS_DETOURNAVIGATOR_OSCILLATINGRECASTMESHOBJECT_H
+#define OPENMW_COMPONENTS_DETOURNAVIGATOR_OSCILLATINGRECASTMESHOBJECT_H
+
+#include "areatype.hpp"
+#include "recastmeshobject.hpp"
+
+#include <LinearMath/btTransform.h>
+#include <BulletCollision/Gimpact/btBoxCollision.h>
+
+namespace DetourNavigator
+{
+    class OscillatingRecastMeshObject
+    {
+        public:
+            explicit OscillatingRecastMeshObject(RecastMeshObject impl, std::size_t lastChangeRevision);
+
+            bool update(const btTransform& transform, const AreaType areaType, std::size_t lastChangeRevision);
+
+            const RecastMeshObject& getImpl() const { return mImpl; }
+
+        private:
+            RecastMeshObject mImpl;
+            std::size_t mLastChangeRevision;
+            btAABB mAabb;
+    };
+}
+
+#endif
diff --git a/components/detournavigator/recastmeshmanager.cpp b/components/detournavigator/recastmeshmanager.cpp
index 0b0298bc0..146038ae6 100644
--- a/components/detournavigator/recastmeshmanager.cpp
+++ b/components/detournavigator/recastmeshmanager.cpp
@@ -13,7 +13,8 @@ namespace DetourNavigator
     bool RecastMeshManager::addObject(const ObjectId id, const btCollisionShape& shape, const btTransform& transform,
                                       const AreaType areaType)
     {
-        const auto iterator = mObjectsOrder.emplace(mObjectsOrder.end(), RecastMeshObject(shape, transform, areaType));
+        const auto iterator = mObjectsOrder.emplace(mObjectsOrder.end(),
+            OscillatingRecastMeshObject(RecastMeshObject(shape, transform, areaType), mRevision + 1));
         if (!mObjects.emplace(id, iterator).second)
         {
             mObjectsOrder.erase(iterator);
@@ -28,7 +29,9 @@ namespace DetourNavigator
         const auto object = mObjects.find(id);
         if (object == mObjects.end())
             return false;
-        if (!object->second->update(transform, areaType))
+        const std::size_t lastChangeRevision = mLastNavMeshReportedChange.has_value()
+                ? mLastNavMeshReportedChange->mRevision : mRevision;
+        if (!object->second->update(transform, areaType, lastChangeRevision))
             return false;
         ++mRevision;
         return true;
@@ -39,7 +42,7 @@ namespace DetourNavigator
         const auto object = mObjects.find(id);
         if (object == mObjects.end())
             return std::nullopt;
-        const RemovedRecastMeshObject result {object->second->getShape(), object->second->getTransform()};
+        const RemovedRecastMeshObject result {object->second->getImpl().getShape(), object->second->getImpl().getTransform()};
         mObjectsOrder.erase(object->second);
         mObjects.erase(object);
         ++mRevision;
@@ -82,12 +85,27 @@ namespace DetourNavigator
         return mObjects.empty();
     }
 
+    void RecastMeshManager::reportNavMeshChange(Version recastMeshVersion, Version navMeshVersion)
+    {
+        if (recastMeshVersion.mGeneration != mGeneration)
+            return;
+        if (mLastNavMeshReport.has_value() && navMeshVersion < mLastNavMeshReport->mNavMeshVersion)
+            return;
+        mLastNavMeshReport = {recastMeshVersion.mRevision, navMeshVersion};
+        if (!mLastNavMeshReportedChange.has_value()
+                || mLastNavMeshReportedChange->mNavMeshVersion < mLastNavMeshReport->mNavMeshVersion)
+            mLastNavMeshReportedChange = mLastNavMeshReport;
+    }
+
     void RecastMeshManager::rebuild()
     {
         mMeshBuilder.reset();
         for (const auto& v : mWaterOrder)
             mMeshBuilder.addWater(v.mCellSize, v.mTransform);
-        for (const auto& v : mObjectsOrder)
+        for (const auto& object : mObjectsOrder)
+        {
+            const RecastMeshObject& v = object.getImpl();
             mMeshBuilder.addObject(v.getShape(), v.getTransform(), v.getAreaType());
+        }
     }
 }
diff --git a/components/detournavigator/recastmeshmanager.hpp b/components/detournavigator/recastmeshmanager.hpp
index 0ad111b5d..daa123fcb 100644
--- a/components/detournavigator/recastmeshmanager.hpp
+++ b/components/detournavigator/recastmeshmanager.hpp
@@ -2,8 +2,9 @@
 #define OPENMW_COMPONENTS_DETOURNAVIGATOR_RECASTMESHMANAGER_H
 
 #include "recastmeshbuilder.hpp"
-#include "recastmeshobject.hpp"
+#include "oscillatingrecastmeshobject.hpp"
 #include "objectid.hpp"
+#include "version.hpp"
 
 #include <LinearMath/btTransform.h>
 
@@ -50,14 +51,24 @@ namespace DetourNavigator
 
         bool isEmpty() const;
 
+        void reportNavMeshChange(Version recastMeshVersion, Version navMeshVersion);
+
     private:
+        struct Report
+        {
+            std::size_t mRevision;
+            Version mNavMeshVersion;
+        };
+
         std::size_t mRevision = 0;
         std::size_t mGeneration;
         RecastMeshBuilder mMeshBuilder;
-        std::list<RecastMeshObject> mObjectsOrder;
-        std::unordered_map<ObjectId, std::list<RecastMeshObject>::iterator> mObjects;
+        std::list<OscillatingRecastMeshObject> mObjectsOrder;
+        std::unordered_map<ObjectId, std::list<OscillatingRecastMeshObject>::iterator> mObjects;
         std::list<Water> mWaterOrder;
         std::map<osg::Vec2i, std::list<Water>::iterator> mWater;
+        std::optional<Report> mLastNavMeshReportedChange;
+        std::optional<Report> mLastNavMeshReport;
 
         void rebuild();
     };
diff --git a/components/detournavigator/tilecachedrecastmeshmanager.cpp b/components/detournavigator/tilecachedrecastmeshmanager.cpp
index fddaa88f1..20ebc8fea 100644
--- a/components/detournavigator/tilecachedrecastmeshmanager.cpp
+++ b/components/detournavigator/tilecachedrecastmeshmanager.cpp
@@ -145,6 +145,15 @@ namespace DetourNavigator
         return mRevision;
     }
 
+    void TileCachedRecastMeshManager::reportNavMeshChange(const TilePosition& tilePosition, Version recastMeshVersion, Version navMeshVersion)
+    {
+        const auto tiles = mTiles.lock();
+        const auto it = tiles->find(tilePosition);
+        if (it == tiles->end())
+            return;
+        it->second.reportNavMeshChange(recastMeshVersion, navMeshVersion);
+    }
+
     bool TileCachedRecastMeshManager::addTile(const ObjectId id, const btCollisionShape& shape,
         const btTransform& transform, const AreaType areaType, const TilePosition& tilePosition, float border,
         std::map<TilePosition, CachedRecastMeshManager>& tiles)
diff --git a/components/detournavigator/tilecachedrecastmeshmanager.hpp b/components/detournavigator/tilecachedrecastmeshmanager.hpp
index fa192bd73..68683f410 100644
--- a/components/detournavigator/tilecachedrecastmeshmanager.hpp
+++ b/components/detournavigator/tilecachedrecastmeshmanager.hpp
@@ -5,6 +5,7 @@
 #include "tileposition.hpp"
 #include "settingsutils.hpp"
 #include "gettilespositions.hpp"
+#include "version.hpp"
 
 #include <components/misc/guarded.hpp>
 
@@ -88,6 +89,8 @@ namespace DetourNavigator
 
         std::size_t getRevision() const;
 
+        void reportNavMeshChange(const TilePosition& tilePosition, Version recastMeshVersion, Version navMeshVersion);
+
     private:
         const Settings& mSettings;
         Misc::ScopeGuarded<std::map<TilePosition, CachedRecastMeshManager>> mTiles;
diff --git a/components/detournavigator/version.hpp b/components/detournavigator/version.hpp
new file mode 100644
index 000000000..c9de98459
--- /dev/null
+++ b/components/detournavigator/version.hpp
@@ -0,0 +1,21 @@
+#ifndef OPENMW_COMPONENTS_DETOURNAVIGATOR_VERSION_H
+#define OPENMW_COMPONENTS_DETOURNAVIGATOR_VERSION_H
+
+#include <cstddef>
+#include <tuple>
+
+namespace DetourNavigator
+{
+    struct Version
+    {
+        std::size_t mGeneration;
+        std::size_t mRevision;
+
+        friend inline bool operator<(const Version& lhs, const Version& rhs)
+        {
+            return std::tie(lhs.mGeneration, lhs.mRevision) < std::tie(rhs.mGeneration, rhs.mRevision);
+        }
+    };
+}
+
+#endif