diff --git a/MobileGL/MG_Backend/DirectVulkan/Renderer/VkClearManager.cpp b/MobileGL/MG_Backend/DirectVulkan/Renderer/VkClearManager.cpp
index 16187c3b..1192b4bb 100644
--- a/MobileGL/MG_Backend/DirectVulkan/Renderer/VkClearManager.cpp
+++ b/MobileGL/MG_Backend/DirectVulkan/Renderer/VkClearManager.cpp
@@ -142,11 +142,12 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         }
 
         SizeT count = 0;
-        for (const auto& [raw, weak]: m_aliveObjects) {
-            if (weak.expired()) {
-                count++;
-                m_pendingClears.erase(raw);
-                m_aliveObjects.erase(raw);
+        for (auto it = m_aliveObjects.begin(); it != m_aliveObjects.end();) {
+            auto current = it++;
+            if (current->second.expired()) {
+                m_pendingClears.erase(current->first);
+                m_aliveObjects.erase(current);
+                ++count;
             }
         }
         return count;
diff --git a/MobileGL/MG_Backend/DirectVulkan/Renderer/VkTextureManager.cpp b/MobileGL/MG_Backend/DirectVulkan/Renderer/VkTextureManager.cpp
index af2526e3..ea22dcf1 100644
--- a/MobileGL/MG_Backend/DirectVulkan/Renderer/VkTextureManager.cpp
+++ b/MobileGL/MG_Backend/DirectVulkan/Renderer/VkTextureManager.cpp
@@ -443,6 +443,21 @@ namespace MobileGL::MG_Backend::DirectVulkan {
     VkTextureManager::TextureResource* VkTextureManager::SyncTextureAndGetDescriptor(MG_State::GLState::ITextureObject& texture) {
         MOBILEGL_ASSERT(m_device != VK_NULL_HANDLE, "SyncTextureAndGetDescriptor: m_device == VK_NULL_HANDLE");
 
+        auto aliveIt = m_aliveObjects.find(&texture);
+        if (aliveIt != m_aliveObjects.end() && aliveIt->second.expired()) {
+            auto resourceIt = m_textureResources.find(&texture);
+            if (resourceIt != m_textureResources.end()) {
+                DeferResourceRelease(Move(resourceIt->second));
+                m_textureResources.erase(resourceIt);
+            }
+            m_aliveObjects.erase(aliveIt);
+        }
+
+        const auto& liveTexture = MG_State::pGLContext->GetTextureObject(texture.GetExternalIndex());
+        if (liveTexture && liveTexture.get() == &texture) {
+            m_aliveObjects[&texture] = WeakPtr<MG_State::GLState::ITextureObject>(liveTexture);
+        }
+
         auto it = m_textureResources.find(&texture);
         if (it == m_textureResources.end()) {
             TextureResource initial{};
@@ -668,11 +683,16 @@ namespace MobileGL::MG_Backend::DirectVulkan {
             return 0;
         }
         SizeT count = 0;
-        for (const auto& [raw, weak]: m_aliveObjects) {
-            if (weak.expired()) {
-                count++;
-                m_textureResources.erase(raw);
-                m_aliveObjects.erase(raw);
+        for (auto it = m_aliveObjects.begin(); it != m_aliveObjects.end();) {
+            auto current = it++;
+            if (current->second.expired()) {
+                auto resourceIt = m_textureResources.find(current->first);
+                if (resourceIt != m_textureResources.end()) {
+                    DeferResourceRelease(Move(resourceIt->second));
+                    m_textureResources.erase(resourceIt);
+                }
+                m_aliveObjects.erase(current);
+                ++count;
             }
         }
         return count;
diff --git a/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp b/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
index f93ba4d7..c0ccd560 100644
--- a/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+++ b/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
@@ -1323,19 +1323,25 @@ void main() {
                             "UploadAndBindVertexStreams failed to resolve shared source buffer");
             BufferSlice slice{};
             const Bool isDirty = (sourceBufferShared->GetChangeBits() & BufferChangeBits::DirtyBit);
+            const Uint64 changeSerial = sourceBufferShared->GetChangeSerial();
+            const SizeT sourceSize = sourceBufferShared->GetSize();
             auto cachedTransient = m_transientVertexIndexBufferSlicesThisFrame.find(sourceBufferShared.get());
-            if (cachedTransient != m_transientVertexIndexBufferSlicesThisFrame.end() && !isDirty) {
-                slice = cachedTransient->second;
+            if (cachedTransient != m_transientVertexIndexBufferSlicesThisFrame.end() && !isDirty &&
+                cachedTransient->second.changeSerial == changeSerial && cachedTransient->second.size == sourceSize) {
+                slice = cachedTransient->second.slice;
             } else if (ShouldUseTransientVertexIndexBuffer(*sourceBufferShared) || isDirty) {
                 const auto sourceData = sourceBufferShared->GetDataReadOnly();
-                const SizeT sourceSize = sourceBufferShared->GetSize();
                 if (!m_bufferManager.UploadTransient(BufferKind::Vertex, m_frameContext.GetCurrentFrameIndex(),
                                                      sourceData->data(), static_cast<VkDeviceSize>(sourceSize), 16,
                                                      slice)) {
                     MOBILEGL_ASSERT(false, "UploadAndBindVertexStreams skipped: failed to upload transient binding %zu", binding);
                     return false;
                 }
-                m_transientVertexIndexBufferSlicesThisFrame[sourceBufferShared.get()] = slice;
+                m_transientVertexIndexBufferSlicesThisFrame[sourceBufferShared.get()] = {
+                    .slice = slice,
+                    .changeSerial = changeSerial,
+                    .size = sourceSize,
+                };
                 m_bufferManager.DowngradeResidentBufferToTransient(sourceBufferShared);
                 sourceBufferShared->ClearDirty();
             } else {
@@ -1415,9 +1421,12 @@ void main() {
         auto indexBufferShared = MG_State::pGLContext->GetBufferObject(indexBuffer->GetExternalIndex());
         MOBILEGL_ASSERT(indexBufferShared != nullptr, "UploadAndBindIndexBuffer failed to resolve shared EBO");
         const Bool isDirty = (indexBufferShared->GetChangeBits() & BufferChangeBits::DirtyBit);
+        const Uint64 changeSerial = indexBufferShared->GetChangeSerial();
+        const SizeT indexBufferSize = indexBufferShared->GetSize();
         auto cachedTransient = m_transientVertexIndexBufferSlicesThisFrame.find(indexBufferShared.get());
-        if (cachedTransient != m_transientVertexIndexBufferSlicesThisFrame.end() && !isDirty) {
-            slice = cachedTransient->second;
+        if (cachedTransient != m_transientVertexIndexBufferSlicesThisFrame.end() && !isDirty &&
+            cachedTransient->second.changeSerial == changeSerial && cachedTransient->second.size == indexBufferSize) {
+            slice = cachedTransient->second.slice;
             vkCmdBindIndexBuffer(frame.commandBuffer,
                                  slice.buffer,
                                  slice.offset + static_cast<VkDeviceSize>(pIndexBufferView->indexByteOffset),
@@ -1429,12 +1438,16 @@ void main() {
             MOBILEGL_ASSERT(indexData != nullptr && !indexData->empty(), "DrawElements requires non-empty EBO data");
             if (!m_bufferManager.UploadTransient(BufferKind::Index, m_frameContext.GetCurrentFrameIndex(),
                                                  indexData->data(),
-                                                 static_cast<VkDeviceSize>(indexBufferShared->GetSize()), indexSize,
+                                                 static_cast<VkDeviceSize>(indexBufferSize), indexSize,
                                                  slice)) {
                 MOBILEGL_ASSERT(false, "DrawElements skipped: failed to prepare transient index buffer");
                 return false;
             }
-            m_transientVertexIndexBufferSlicesThisFrame[indexBufferShared.get()] = slice;
+            m_transientVertexIndexBufferSlicesThisFrame[indexBufferShared.get()] = {
+                .slice = slice,
+                .changeSerial = changeSerial,
+                .size = indexBufferSize,
+            };
             m_bufferManager.DowngradeResidentBufferToTransient(indexBufferShared);
             indexBufferShared->ClearDirty();
             vkCmdBindIndexBuffer(frame.commandBuffer,
diff --git a/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h b/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
index 57ac30e8..32dfd5e3 100644
--- a/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
+++ b/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
@@ -197,8 +197,15 @@ namespace MobileGL::MG_Backend::DirectVulkan {
 
         VkCommandPool m_commandPool = VK_NULL_HANDLE;
 
+        struct TransientBufferSliceCacheEntry {
+            BufferSlice slice;
+            Uint64 changeSerial = 0;
+            SizeT size = 0;
+        };
+
         VkBufferManager m_bufferManager;
-        UnorderedMap<const MG_State::GLState::BufferObject*, BufferSlice> m_transientVertexIndexBufferSlicesThisFrame;
+        UnorderedMap<const MG_State::GLState::BufferObject*, TransientBufferSliceCacheEntry>
+            m_transientVertexIndexBufferSlicesThisFrame;
 
         Uint m_imageIndexAcquired = 0;
         FrameContext m_frameContext;
diff --git a/MobileGL/MG_State/GLState/BufferState/BufferObject.cpp b/MobileGL/MG_State/GLState/BufferState/BufferObject.cpp
index 963ea427..e625803b 100644
--- a/MobileGL/MG_State/GLState/BufferState/BufferObject.cpp
+++ b/MobileGL/MG_State/GLState/BufferState/BufferObject.cpp
@@ -23,6 +23,7 @@ namespace MobileGL::MG_State::GLState {
         m_dataPtr->resize(size);
         m_change.Bits |= BufferChangeBits::DirtyBit;
         m_change.Bits |= BufferChangeBits::PreferReallocationBit;
+        ++m_changeSerial;
     }
 
     void BufferObject::UploadData(DataPtr data, SizeT atOffset) {
@@ -35,6 +36,7 @@ namespace MobileGL::MG_State::GLState {
         m_change.Bits |= BufferChangeBits::DirtyBit;
         m_change.Bits |= BufferChangeBits::ForbidInvalidationBit;
         m_change.Bits |= BufferChangeBits::ForbidUnsynchronizationBit;
+        ++m_changeSerial;
         // This function may be called by `glBufferData`, but we still set the forbid bits above,
         // because when `PreferReallocationBit` is set, those bits are ignored anyway.
         // The bits can fit the `glBufferSubData` semantics
@@ -54,6 +56,7 @@ namespace MobileGL::MG_State::GLState {
                        m_mappedRange.end - m_mappedRange.start);
                 m_change.DirtyRanges.Add({m_mappedRange.start, m_mappedRange.end});
                 m_change.Bits |= BufferChangeBits::DirtyBit;
+                ++m_changeSerial;
             }
 
             m_stagingData.clear();
@@ -80,6 +83,7 @@ namespace MobileGL::MG_State::GLState {
         Memcpy(m_dataPtr->data() + start, m_stagingData.data() + offset, length);
         m_change.DirtyRanges.Add({start, end});
         m_change.Bits |= BufferChangeBits::DirtyBit;
+        ++m_changeSerial;
     }
 
     void BufferObject::UploadSubData(DataPtr data, SizeT atOffset) {
@@ -93,6 +97,7 @@ namespace MobileGL::MG_State::GLState {
         m_change.Bits |= BufferChangeBits::DirtyBit;
         m_change.Bits |= BufferChangeBits::ForbidInvalidationBit;
         m_change.Bits |= BufferChangeBits::ForbidUnsynchronizationBit;
+        ++m_changeSerial;
     }
 
     void BufferObject::CopyDataFrom(const SharedPtr<BufferObject>& src, SizeT srcOffset, SizeT dstOffset, SizeT size) {
@@ -109,6 +114,7 @@ namespace MobileGL::MG_State::GLState {
         Memcpy(m_dataPtr->data() + dstOffset, srcData, size);
         m_change.DirtyRanges.Add({dstOffset, dstOffset + size});
         m_change.Bits |= BufferChangeBits::DirtyBit;
+        ++m_changeSerial;
     }
 
     void* BufferObject::AcquireMemory(Bool markMapped, Bool read, Bool write) {
@@ -191,6 +197,10 @@ namespace MobileGL::MG_State::GLState {
         return m_change.Bits;
     }
 
+    Uint64 BufferObject::GetChangeSerial() const {
+        return m_changeSerial;
+    }
+
     Bool BufferObject::IsMapped() const {
         return m_isMapped;
     }
diff --git a/MobileGL/MG_State/GLState/BufferState/BufferObject.h b/MobileGL/MG_State/GLState/BufferState/BufferObject.h
index 18899e88..e6a01383 100644
--- a/MobileGL/MG_State/GLState/BufferState/BufferObject.h
+++ b/MobileGL/MG_State/GLState/BufferState/BufferObject.h
@@ -99,6 +99,7 @@ namespace MobileGL {
             Uint GetExternalIndex() const;
             const VecRange1D& GetDirtyRanges() const;
             Flags<BufferChangeBits> GetChangeBits() const;
+            Uint64 GetChangeSerial() const;
 
         private:
             const Uint m_externalIndex = 0;
@@ -108,6 +109,7 @@ namespace MobileGL {
             Bool m_isMapped;
             Flags<BufferMappingAccessBit> m_mappingAccess;
             BufferChange m_change;
+            Uint64 m_changeSerial = 0;
             Range1D m_mappedRange;
             Vector<Uint8> m_stagingData;
             Bool m_ownsStagingData;