chore(release): 4.13.2 [skip ci]

## [4.13.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.13.1...v4.13.2) (2026-06-29)

### Bug Fixes

* support "disable domain reload" on Unity 6.6 or later ([dc12088](dc120884f6))

.github/workflows/release.yml

@@ -27,7 +27,7 @@ jobs:
       split_to: ${{ steps.summary.outputs.split_to }}
     steps:
       - name: 🚚 Checkout (${{ github.ref_name }})
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: 🔖 Run semantic release
         uses: cycjimmy/semantic-release-action@v6
@@ -67,7 +67,7 @@ jobs:
       contents: write
     steps:
       - name: 🚚 Checkout (${{ needs.release.outputs.merge_to }})
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           ref: ${{ needs.release.outputs.merge_to }}
           fetch-depth: 0
@@ -88,7 +88,7 @@ jobs:
       contents: write
     steps:
       - name: 🚚 Checkout (${{ needs.release.outputs.tag }})
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           ref: ${{ needs.release.outputs.tag }}
           fetch-depth: 0

.github/workflows/test-urp.yml

@@ -7,9 +7,9 @@ run-name: 🧪 Test URP (${{ github.event.pull_request.title || github.ref_name
 
 env:
   # MINIMUM_VERSION: The minimum version of Unity.
-  MINIMUM_VERSION: 6000.1
+  MINIMUM_VERSION: 6000.0
   # EXCLUDE_FILTER: The excluded versions of Unity.
-  EXCLUDE_FILTER: '(2020.2.0|2021.1|2023.3)'
+  EXCLUDE_FILTER: "(2017|2018|2023.3)"
   PROJECT_PATH: ParticleEffectForUGUI_URP
 
 on:
@@ -85,10 +85,10 @@ jobs:
         unityVersion: ${{ fromJson(needs.setup.outputs.unityVersions) }}
     steps:
       - name: 🚚 Checkout ($${{ github.ref }})
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: 📥 Cache library
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ env.PROJECT_PATH }}/Library
           key: ${{ env.PROJECT_PATH }}-Library-${{ matrix.unityVersion }}-${{ github.event.pull_request.head.sha || github.sha }}
@@ -97,7 +97,7 @@ jobs:
             ${{ env.PROJECT_PATH }}-Library-
 
       - name: 🛠️ Build Unity Project (Test)
-        uses: game-ci/unity-builder@v5
+        uses: game-ci/unity-builder@main
         timeout-minutes: 45
         with:
           customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
@@ -111,7 +111,7 @@ jobs:
           UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
 
       # - name: 🧪 Run tests
-      #   uses: game-ci/unity-test-runner@v4
+      #   uses: game-ci/unity-test-runner@main
       #   timeout-minutes: 45
       #   with:
       #     customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}

.github/workflows/test.yml

@@ -7,7 +7,7 @@ run-name: 🧪 Test (${{ github.event.pull_request.title || github.ref_name }})
 
 env:
   # MINIMUM_VERSION: The minimum version of Unity.
-  MINIMUM_VERSION: 2020.3
+  MINIMUM_VERSION: 2019.4
   # EXCLUDE_FILTER: The excluded versions of Unity.
   EXCLUDE_FILTER: "(2017|2018|2023.3)"
   PROJECT_PATH: .
@@ -45,7 +45,8 @@ jobs:
     steps:
       - name: 🔑 Secrets check
         run: |
-          if [ -z "$UNITY_EMAIL" ] || [ -z "$UNITY_PASSWORD" ] || [ -z "UNITY_LICENSE" ]; then
+          echo "Checking secrets for ${{ github.actor }} ..."
+          if [ -z "$UNITY_EMAIL" ] || [ -z "$UNITY_PASSWORD" ] || [ -z "$UNITY_LICENSE" ]; then
             echo "Error: UNITY_EMAIL, UNITY_PASSWORD, and UNITY_LICENSE secrets must be set." | tee -a $GITHUB_STEP_SUMMARY >&2
             echo "Error: See https://game.ci/docs/github/test-runner#basic-setup" | tee -a $GITHUB_STEP_SUMMARY >&2
             echo "Error: Set the secrets at ${{ github.server_url }}/${{ github.repository }}/settings/secrets/actions" | tee -a $GITHUB_STEP_SUMMARY >&2
@@ -84,10 +85,10 @@ jobs:
         unityVersion: ${{ fromJson(needs.setup.outputs.unityVersions) }}
     steps:
       - name: 🚚 Checkout ($${{ github.ref }})
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: 📥 Cache library
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ env.PROJECT_PATH }}/Library
           key: ${{ env.PROJECT_PATH }}-Library-${{ matrix.unityVersion }}-${{ github.event.pull_request.head.sha || github.sha }}
@@ -96,7 +97,7 @@ jobs:
             ${{ env.PROJECT_PATH }}-Library-
 
       - name: 🛠️ Build Unity Project (Test)
-        uses: game-ci/unity-builder@v5
+        uses: game-ci/unity-builder@main
         timeout-minutes: 45
         with:
           customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
@@ -110,7 +111,7 @@ jobs:
           UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
 
       - name: 🧪 Run tests
-        uses: game-ci/unity-test-runner@v4
+        uses: game-ci/unity-test-runner@main
         timeout-minutes: 45
         with:
           customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}

Packages/src/CHANGELOG.md

@@ -1,3 +1,18 @@
+## [4.13.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.13.1...v4.13.2) (2026-06-29)
+
+
+### Bug Fixes
+
+* support "disable domain reload" on Unity 6.6 or later ([dc12088](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/dc120884f68a5fee1775d039fc7bca0ee0e404b5))
+
+## [4.13.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.13.0...v4.13.1) (2026-06-26)
+
+
+### Bug Fixes
+
+* `ParticleSystemPreviewer` is no longer included in build ([bad976c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/bad976cf01180bdabf5cd2f1760e069afdcb644a))
+* add support for Unity 6.7 ([26fd3da](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/26fd3da20b6b07f7a26df662358c53757a7cc5f5)), closes [#408](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/408)
+
 # [4.13.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.12.2...v4.13.0) (2026-06-25)
 
 

Packages/src/README.md

@@ -34,6 +34,7 @@ You can render, mask, and sort your `ParticleSystems` for UI without the need fo
   - [Usage with `Mask` or `RectMask2D` Component](#usage-with-mask-or-rectmask2d-component)
   - [Usage with Script](#usage-with-script)
   - [Component: UIParticleAttractor](#component-uiparticleattractor)
+  - [Component: ParticleSystemPreviewer](#component-particlesystempreviewer)
   - [Project Settings](#project-settings)
 - [🛠 Development Note](#-development-note)
   - [Compares the Baking mesh approach with the conventional approach](#compares-the-baking-mesh-approach-with-the-conventional-approach)
@@ -116,7 +117,7 @@ _This package requires **Unity 2018.3 or later**._
   ```
 - To update the package, use Package Manager UI (`Window > Package Manager`) or run the following command with `@{version}`:
   ```
-  openupm add com.coffee.ui-particle@4.9.0
+  openupm add com.coffee.ui-particle@4.13.0
   ```
 
 #### Install via UPM (with Package Manager UI)
@@ -125,7 +126,7 @@ _This package requires **Unity 2018.3 or later**._
 - Click `+ > Add package from git URL...` and input the repository URL: `https://github.com/mob-sakai/ParticleEffectForUGUI.git`  
   ![](https://github.com/user-attachments/assets/f88f47ad-c606-44bd-9e86-ee3f72eac548)
 - To update the package, change suffix `#{version}` to the target version.
-  - e.g. `https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.9.0`
+  - e.g. `https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.13.0`
 
 #### Install via UPM (Manually)
 
@@ -140,7 +141,7 @@ _This package requires **Unity 2018.3 or later**._
   ```
 
 - To update the package, change suffix `#{version}` to the target version.
-  - e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.9.0",`
+  - e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.13.0",`
 
 #### Install as Embedded Package
 
@@ -271,16 +272,17 @@ uiParticle.Stop();
     - **Unscaled Time:** Update with unscaled delta time.
 - **OnAttracted**: An event called when attracting is complete (per particle).
 
-
 <br><br>
 
 ### Component: ParticleSystemPreviewer
 
-`ParticleSystemPreviewer` is used to preview a ParticleSystem in the editor.
+`ParticleSystemPreviewer` is used to preview a `ParticleSystem` in the editor.
+
+![](https://github.com/mob-sakai/mob-sakai/releases/download/docs/1782441157549.png)
 
 - When a `GameObject` with this component is selected in the editor, a temporary `ParticleSystem` is added if needed so you can preview the effect in the Scene view.
 - The generated `ParticleSystem` is marked with `HideFlags.DontSave`, so it is neither saved nor included in builds.
-
+- This component will be removed in builds.
 
 <br><br>
 

Packages/src/Runtime/Internal/Extensions/MeshExtensions.cs

@@ -0,0 +1,153 @@
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Coffee.UIParticleInternal
+{
+    internal static class MeshExtensions
+    {
+        internal static readonly InternalObjectPool<Mesh> s_MeshPool = new InternalObjectPool<Mesh>(
+            () =>
+            {
+                var mesh = new Mesh
+                {
+                    hideFlags = HideFlags.DontSave | HideFlags.NotEditable
+                };
+                mesh.MarkDynamic();
+                return mesh;
+            },
+            mesh => mesh,
+            mesh =>
+            {
+                if (mesh != null)
+                {
+                    mesh.Clear();
+                }
+            });
+
+        public static Mesh Rent()
+        {
+            return s_MeshPool.Rent();
+        }
+
+        public static void Return(ref Mesh mesh)
+        {
+            s_MeshPool.Return(ref mesh);
+        }
+
+        public static void CopyTo(this Mesh self, Mesh dst)
+        {
+            if (self == null || dst == null) return;
+
+            var vector3List = InternalListPool<Vector3>.Rent();
+            var vector4List = InternalListPool<Vector4>.Rent();
+            var color32List = InternalListPool<Color32>.Rent();
+            var intList = InternalListPool<int>.Rent();
+
+            dst.Clear(false);
+
+            self.GetVertices(vector3List);
+            dst.SetVertices(vector3List);
+
+            self.GetTriangles(intList, 0);
+            dst.SetTriangles(intList, 0);
+
+            self.GetNormals(vector3List);
+            dst.SetNormals(vector3List);
+
+            self.GetTangents(vector4List);
+            dst.SetTangents(vector4List);
+
+            self.GetColors(color32List);
+            dst.SetColors(color32List);
+
+            self.GetUVs(0, vector4List);
+            dst.SetUVs(0, vector4List);
+
+            self.GetUVs(1, vector4List);
+            dst.SetUVs(1, vector4List);
+
+            self.GetUVs(2, vector4List);
+            dst.SetUVs(2, vector4List);
+
+            self.GetUVs(3, vector4List);
+            dst.SetUVs(3, vector4List);
+
+            dst.RecalculateBounds();
+            InternalListPool<Vector3>.Return(ref vector3List);
+            InternalListPool<Vector4>.Return(ref vector4List);
+            InternalListPool<Color32>.Return(ref color32List);
+            InternalListPool<int>.Return(ref intList);
+        }
+
+        public static void CopyTo(this VertexHelper self, Mesh dst)
+        {
+            if (self == null || dst == null) return;
+
+            self.FillMesh(dst);
+        }
+
+        public static void CopyTo(this Mesh self, VertexHelper dst)
+        {
+            if (self == null || dst == null) return;
+
+            var vertexCount = self.vertexCount;
+            var indexCount = self.triangles.Length;
+            self.CopyTo(dst, vertexCount, indexCount);
+        }
+
+        public static void CopyTo(this Mesh self, VertexHelper dst, int vertexCount, int indexCount)
+        {
+            if (self == null || dst == null) return;
+
+            var positions = InternalListPool<Vector3>.Rent();
+            var normals = InternalListPool<Vector3>.Rent();
+            var uv0 = InternalListPool<Vector4>.Rent();
+            var uv1 = InternalListPool<Vector4>.Rent();
+            var uv2 = InternalListPool<Vector4>.Rent();
+            var uv3 = InternalListPool<Vector4>.Rent();
+            var tangents = InternalListPool<Vector4>.Rent();
+            var colors = InternalListPool<Color32>.Rent();
+            var indices = InternalListPool<int>.Rent();
+            self.GetVertices(positions);
+            self.GetColors(colors);
+            self.GetUVs(0, uv0);
+            self.GetUVs(1, uv1);
+            self.GetUVs(2, uv1);
+            self.GetUVs(3, uv1);
+            self.GetNormals(normals);
+            self.GetTangents(tangents);
+            self.GetIndices(indices, 0);
+
+            dst.Clear();
+            for (var i = 0; i < vertexCount; i++)
+            {
+                dst.AddVert(positions.GetOrDefault(i), colors.GetOrDefault(i), uv0.GetOrDefault(i), uv1.GetOrDefault(i),
+                    uv2.GetOrDefault(i), uv3.GetOrDefault(i), normals.GetOrDefault(i), tangents.GetOrDefault(i));
+            }
+
+            var count = Mathf.Clamp(indexCount, 0, indices.Count);
+            for (var i = 0; i < count - 2; i += 3)
+            {
+                dst.AddTriangle(indices[i], indices[i + 1], indices[i + 2]);
+            }
+
+            InternalListPool<Vector3>.Return(ref positions);
+            InternalListPool<Vector3>.Return(ref normals);
+            InternalListPool<Vector4>.Return(ref uv0);
+            InternalListPool<Vector4>.Return(ref uv1);
+            InternalListPool<Vector4>.Return(ref uv2);
+            InternalListPool<Vector4>.Return(ref uv3);
+            InternalListPool<Vector4>.Return(ref tangents);
+            InternalListPool<Color32>.Return(ref colors);
+            InternalListPool<int>.Return(ref indices);
+        }
+
+        private static T GetOrDefault<T>(this List<T> self, int index)
+        {
+            return 0 <= index && index < self.Count
+                ? self[index]
+                : default;
+        }
+    }
+}

Packages/src/Runtime/Internal/Extensions/MeshExtensions.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8c949d47f5c6d4d22bd7baebc60d48f3
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Packages/src/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs

@@ -59,21 +59,6 @@ namespace Coffee.UIParticleInternal
                 s_BuildingPlayer = false;
                 Initialize();
             }
-
-#if UNITY_2019_3_OR_NEWER
-            [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
-            private static void OnDomainReload()
-            {
-                foreach (var t in TypeCache.GetTypesDerivedFrom(typeof(PreloadedProjectSettings<>)))
-                {
-                    var defaultSettings = GetDefaultSettings(t);
-                    if (defaultSettings != null)
-                    {
-                        defaultSettings.OnDomainReload();
-                    }
-                }
-            }
-#endif
         }
 
         private static void Initialize()
@@ -166,10 +151,6 @@ namespace Coffee.UIParticleInternal
         protected virtual void OnInitialize()
         {
         }
-
-        protected virtual void OnDomainReload()
-        {
-        }
     }
 
     internal abstract class PreloadedProjectSettingsEditor : Editor
@@ -255,11 +236,6 @@ namespace Coffee.UIParticleInternal
                     break;
             }
         }
-
-        protected override void OnDomainReload()
-        {
-            s_Instance = null;
-        }
 #else
         public static T instance => s_Instance != null ? s_Instance : s_Instance = CreateInstance<T>();
 #endif

Packages/src/Runtime/Internal/Utilities/FrameCache.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using UnityEditor;
 using UnityEngine;
 
 namespace Coffee.UIParticleInternal
@@ -9,6 +10,7 @@ namespace Coffee.UIParticleInternal
         private static readonly Dictionary<Type, IFrameCache> s_Caches = new Dictionary<Type, IFrameCache>();
 
 #if UNITY_EDITOR && UNITY_2019_3_OR_NEWER
+        [InitializeOnLoadMethod]
         [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
 #elif UNITY_EDITOR
         [InitializeOnLoadMethod]

Packages/src/Runtime/Internal/Utilities/UIExtraCallbacks.cs

@@ -18,12 +18,6 @@ namespace Coffee.UIParticleInternal
         private static readonly FastAction s_OnScreenSizeChangedAction = new FastAction();
         private static Vector2Int s_LastScreenSize;
 
-        static UIExtraCallbacks()
-        {
-            Canvas.willRenderCanvases += OnBeforeCanvasRebuild;
-            Logger.LogMulticast(typeof(Canvas), "willRenderCanvases", message: "ctor");
-        }
-
         /// <summary>
         /// Event that occurs after canvas rebuilds.
         /// </summary>
@@ -72,7 +66,7 @@ namespace Coffee.UIParticleInternal
             CanvasUpdateRegistry.IsRebuildingLayout();
 #if TMP_ENABLE
             // Explicitly set `Canvas.willRenderCanvases += TMP_UpdateManager.DoRebuilds`.
-            typeof(TMPro.TMP_UpdateManager)
+            var _ = typeof(TMPro.TMP_UpdateManager)
                 .GetProperty("instance", BindingFlags.NonPublic | BindingFlags.Static)
                 .GetValue(null);
 #endif
@@ -83,6 +77,7 @@ namespace Coffee.UIParticleInternal
         }
 
 #if UNITY_EDITOR && UNITY_2019_3_OR_NEWER
+        [InitializeOnLoadMethod]
         [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
 #elif UNITY_EDITOR
         [InitializeOnLoadMethod]
@@ -91,9 +86,17 @@ namespace Coffee.UIParticleInternal
 #endif
         private static void InitializeOnLoad()
         {
+#if UNITY_2019_4 || UNITY_2020_2_OR_NEWER
+            Canvas.preWillRenderCanvases -= OnBeforeCanvasRebuild;
+            Canvas.preWillRenderCanvases += OnBeforeCanvasRebuild;
+#else
+            Canvas.willRenderCanvases -= OnBeforeCanvasRebuild;
+            Canvas.willRenderCanvases += OnBeforeCanvasRebuild;
+#endif
             Canvas.willRenderCanvases -= OnAfterCanvasRebuild;
             s_IsInitializedAfterCanvasRebuild = false;
             s_LastScreenSize = default;
+            Logger.LogMulticast(typeof(Canvas), "willRenderCanvases", message: "ctor");
         }
 
         /// <summary>

Packages/src/Runtime/ParticleSystemPreviewer.cs

@@ -1,3 +1,4 @@
+#if UNITY_EDITOR
 using System.Collections.Generic;
 using System.Linq;
 using Coffee.UIParticleInternal;
@@ -13,7 +14,6 @@ namespace Coffee.UIExtensions
         // Do nothing.
     }
 
-#if UNITY_EDITOR
     [CustomEditor(typeof(ParticleSystemPreviewer))]
     [CanEditMultipleObjects]
     internal class ParticleSystemPreviewerEditor : Editor
@@ -29,6 +29,7 @@ namespace Coffee.UIExtensions
         public override void OnInspectorGUI()
         {
             base.OnInspectorGUI();
+            EditorGUILayout.HelpBox("ParticleSystemPreviewer will be removed in build.", MessageType.Warning);
             ParticleSystemPreviewSystem.DrawWarningForTemporary(_gameObjects);
             ParticleSystemPreviewSystem.DrawWarningForPermanent(_gameObjects);
         }
@@ -43,6 +44,12 @@ namespace Coffee.UIExtensions
     {
         private const HideFlags k_TemporaryHideFlags = HideFlags.DontSave | HideFlags.NotEditable;
 
+        private const string k_TemporaryMesssage = "The temporary ParticleSystem for preview is attached.\n" +
+                                                   "It will be removed when exiting edit mode.";
+
+        private const string k_PermanentMesssage = "The permanent ParticleSystem is attached.\n" +
+                                                   "It will be included in build.";
+
         [SerializeField]
         private List<GameObject> m_PreviewObjects = new List<GameObject>();
 
@@ -192,8 +199,7 @@ namespace Coffee.UIExtensions
         {
             if (gameObjects == null || gameObjects.Length == 0 || !gameObjects.Any(HasTemporaryParticleSystem)) return;
 
-            if (WarningButton("The temporary ParticleSystem for preview is attached.\n" +
-                              "It will be removed when exiting edit mode.", "Remove"))
+            if (HelpBoxButton(MessageType.Warning, k_TemporaryMesssage, "Remove"))
             {
                 foreach (var go in gameObjects)
                 {
@@ -209,8 +215,7 @@ namespace Coffee.UIExtensions
         {
             if (gameObjects == null || gameObjects.Length == 0 || !gameObjects.Any(HasPermanentParticleSystem)) return;
 
-            if (WarningButton("The permanent ParticleSystem is attached.\n" +
-                              "It will be included in build.", "Remove"))
+            if (HelpBoxButton(MessageType.Info, k_PermanentMesssage, "Remove"))
             {
                 foreach (var go in gameObjects)
                 {
@@ -224,14 +229,14 @@ namespace Coffee.UIExtensions
             }
         }
 
-        private static bool WarningButton(string message, string buttonText)
+        private static bool HelpBoxButton(MessageType messageType, string message, string buttonText)
         {
             EditorGUILayout.BeginHorizontal();
-            EditorGUILayout.HelpBox(message, MessageType.Warning, true);
+            EditorGUILayout.HelpBox(message, messageType, true);
             var clicked = GUILayout.Button(EditorGUIUtility.TrTempContent(buttonText));
             EditorGUILayout.EndHorizontal();
             return clicked;
         }
     }
-#endif
 }
+#endif

Packages/src/Runtime/UIParticleRenderer.cs

@@ -26,6 +26,7 @@ namespace Coffee.UIExtensions
         private static readonly List<Material> s_Materials = new List<Material>(2);
         private static MaterialPropertyBlock s_Mpb;
         private static readonly Vector3[] s_Corners = new Vector3[4];
+        private static readonly VertexHelper s_VertexHelper = new VertexHelper();
         private bool _delay;
         private int _index;
         private bool _isPrevStored;
@@ -451,11 +452,15 @@ namespace Coffee.UIExtensions
 
                 var components = InternalListPool<Component>.Rent();
                 GetComponents(typeof(IMeshModifier), components);
+                if (0 < components.Count)
+                {
+                    workerMesh.CopyTo(s_VertexHelper);
                     for (var i = 0; i < components.Count; i++)
                     {
-#pragma warning disable CS0618 // Type or member is obsolete
-                    ((IMeshModifier)components[i]).ModifyMesh(workerMesh);
-#pragma warning restore CS0618 // Type or member is obsolete
+                        ((IMeshModifier)components[i]).ModifyMesh(s_VertexHelper);
+                    }
+
+                    s_VertexHelper.FillMesh(workerMesh);
                 }
 
                 InternalListPool<Component>.Return(ref components);

Packages/src/package.json

@@ -2,7 +2,7 @@
   "name": "com.coffee.ui-particle",
   "displayName": "UI Particle",
   "description": "This package provides a component to render particle effects for uGUI.\nThe particle rendering is maskable and sortable, without the need for an extra Camera, RenderTexture, or Canvas.",
-  "version": "4.13.0",
+  "version": "4.13.2",
   "unity": "2018.2",
   "license": "MIT",
   "repository": {