diff --git a/Packages/src/Editor/AssetModification.meta b/Packages/src/Editor/AssetModification.meta
new file mode 100644
index 0000000..e7c46c4
--- /dev/null
+++ b/Packages/src/Editor/AssetModification.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 1006234332be4f329fc1830319b31aaa
+timeCreated: 1704502465
\ No newline at end of file
diff --git a/Packages/src/Editor/AssetModification/UIParticleComponentModifier_AbsoluteMode.cs b/Packages/src/Editor/AssetModification/UIParticleComponentModifier_AbsoluteMode.cs
new file mode 100644
index 0000000..0008c52
--- /dev/null
+++ b/Packages/src/Editor/AssetModification/UIParticleComponentModifier_AbsoluteMode.cs
@@ -0,0 +1,31 @@
+using Coffee.UIExtensions;
+using Coffee.UIParticleInternal.AssetModification;
+using UnityEditor;
+
+#pragma warning disable CS0612 // Type or member is obsolete
+
+namespace Coffee.UIParticleInternal
+{
+    internal class UIParticleComponentModifier_AbsoluteMode : ComponentModifier<UIParticle>
+    {
+        protected override bool ModifyComponent(UIParticle uip, bool dryRun)
+        {
+            if (!uip.m_AbsoluteMode) return false;
+
+            uip.m_AbsoluteMode = false;
+            uip.positionMode = UIParticle.PositionMode.Absolute;
+
+            if (!dryRun)
+            {
+                EditorUtility.SetDirty(uip);
+            }
+
+            return true;
+        }
+
+        public override string Report()
+        {
+            return "  -> UIParticle.absoluteMode is obsolete. Use UIParticle.positionMode instead.\n";
+        }
+    }
+}
diff --git a/Packages/src/Editor/AssetModification/UIParticleComponentModifier_AbsoluteMode.cs.meta b/Packages/src/Editor/AssetModification/UIParticleComponentModifier_AbsoluteMode.cs.meta
new file mode 100644
index 0000000..7ed542c
--- /dev/null
+++ b/Packages/src/Editor/AssetModification/UIParticleComponentModifier_AbsoluteMode.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: d3378b5e701274218b04cb5588b8a3bd
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/src/Editor/AssetModification/UIParticleComponentModifier_AutoScaling.cs b/Packages/src/Editor/AssetModification/UIParticleComponentModifier_AutoScaling.cs
new file mode 100644
index 0000000..f1f8314
--- /dev/null
+++ b/Packages/src/Editor/AssetModification/UIParticleComponentModifier_AutoScaling.cs
@@ -0,0 +1,36 @@
+using Coffee.UIExtensions;
+using Coffee.UIParticleInternal.AssetModification;
+using UnityEditor;
+using UnityEngine;
+
+#pragma warning disable CS0612 // Type or member is obsolete
+
+namespace Coffee.UIParticleInternal
+{
+    internal class UIParticleComponentModifier_AutoScaling : ComponentModifier<UIParticle>
+    {
+        protected override bool ModifyComponent(UIParticle uip, bool dryRun)
+        {
+            if (!uip.m_AutoScaling) return false;
+
+            uip.m_AutoScaling = false;
+            uip.autoScalingMode = UIParticle.AutoScalingMode.Transform;
+            uip.transform.localScale = Vector3.one;
+
+            if (!dryRun)
+            {
+                EditorUtility.SetDirty(uip);
+                EditorUtility.SetDirty(uip.transform);
+            }
+
+            return true;
+        }
+
+        public override string Report()
+        {
+            return
+                "  -> UIParticle.ignoreCanvasScaler and UIParticle.autoScaling are obsolete." +
+                " Use UIParticle.autoScalingMode instead.\n";
+        }
+    }
+}
diff --git a/Packages/src/Editor/AssetModification/UIParticleComponentModifier_AutoScaling.cs.meta b/Packages/src/Editor/AssetModification/UIParticleComponentModifier_AutoScaling.cs.meta
new file mode 100644
index 0000000..08f5c03
--- /dev/null
+++ b/Packages/src/Editor/AssetModification/UIParticleComponentModifier_AutoScaling.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 3d6d0ca7ae8c641aa98b66fd91c05264
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/src/Editor/AssetModification/UIParticleComponentModifier_IsTrail.cs b/Packages/src/Editor/AssetModification/UIParticleComponentModifier_IsTrail.cs
new file mode 100644
index 0000000..1041679
--- /dev/null
+++ b/Packages/src/Editor/AssetModification/UIParticleComponentModifier_IsTrail.cs
@@ -0,0 +1,31 @@
+using Coffee.UIExtensions;
+using Coffee.UIParticleInternal.AssetModification;
+using UnityEditor;
+using UnityEngine;
+
+#pragma warning disable CS0612 // Type or member is obsolete
+
+namespace Coffee.UIParticleInternal
+{
+    internal class UIParticleComponentModifier_IsTrail : ComponentModifier<UIParticle>
+    {
+        protected override bool ModifyComponent(UIParticle uip, bool dryRun)
+        {
+            if (!uip.m_IsTrail) return false;
+
+            if (!dryRun)
+            {
+                var go = uip.gameObject;
+                Object.DestroyImmediate(uip);
+                EditorUtility.SetDirty(go);
+            }
+
+            return true;
+        }
+
+        public override string Report()
+        {
+            return "  -> UIParticle for trail is no longer needed. Removed.";
+        }
+    }
+}
diff --git a/Packages/src/Editor/AssetModification/UIParticleComponentModifier_IsTrail.cs.meta b/Packages/src/Editor/AssetModification/UIParticleComponentModifier_IsTrail.cs.meta
new file mode 100644
index 0000000..5a5825a
--- /dev/null
+++ b/Packages/src/Editor/AssetModification/UIParticleComponentModifier_IsTrail.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: dfbc9e244a2a040179e7f5b58ec0b978
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/src/Editor/AssetModification/UIParticleModifierRunner.cs b/Packages/src/Editor/AssetModification/UIParticleModifierRunner.cs
new file mode 100644
index 0000000..5b29798
--- /dev/null
+++ b/Packages/src/Editor/AssetModification/UIParticleModifierRunner.cs
@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using Coffee.UIParticleInternal.AssetModification;
+using UnityEditor;
+
+namespace Coffee.UIParticleInternal
+{
+    internal class UIParticleModifierRunner : Runner
+    {
+        public UIParticleModifierRunner()
+            : base("UIParticle v5", new List<(string, Func<string, Modifier>)>
+            {
+                (".unity", x => new SceneModifier
+                {
+                    path = x,
+                    componentModifiers = new IComponentModifier[]
+                    {
+                        new UIParticleRendererComponentModifier(),
+                        new UIParticleComponentModifier_AutoScaling(),
+                        new UIParticleComponentModifier_AbsoluteMode(),
+                        new UIParticleComponentModifier_IsTrail()
+                    }
+                }),
+                (".prefab", x => new PrefabModifier
+                {
+                    path = x,
+                    componentModifiers = new IComponentModifier[]
+                    {
+                        new UIParticleRendererComponentModifier(),
+                        new UIParticleComponentModifier_AutoScaling(),
+                        new UIParticleComponentModifier_AbsoluteMode(),
+                        new UIParticleComponentModifier_IsTrail()
+                    }
+                })
+            })
+        {
+        }
+
+        [MenuItem("UIParticleModifierRunner/Run")]
+        private static void Run()
+        {
+            new UIParticleModifierRunner().RunIfUserWantsTo();
+        }
+    }
+}
diff --git a/Packages/src/Editor/AssetModification/UIParticleModifierRunner.cs.meta b/Packages/src/Editor/AssetModification/UIParticleModifierRunner.cs.meta
new file mode 100644
index 0000000..545fbfd
--- /dev/null
+++ b/Packages/src/Editor/AssetModification/UIParticleModifierRunner.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: edd678db452e49869caeca7e7d269e5d
+timeCreated: 1704502476
\ No newline at end of file
diff --git a/Packages/src/Editor/AssetModification/UIParticleRendererComponentModifier.cs b/Packages/src/Editor/AssetModification/UIParticleRendererComponentModifier.cs
new file mode 100644
index 0000000..8dc04ce
--- /dev/null
+++ b/Packages/src/Editor/AssetModification/UIParticleRendererComponentModifier.cs
@@ -0,0 +1,29 @@
+using Coffee.UIExtensions;
+using Coffee.UIParticleInternal.AssetModification;
+using UnityEditor;
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal
+{
+    internal class UIParticleRendererComponentModifier : ComponentModifier<UIParticleRenderer>
+    {
+        protected override bool ModifyComponent(UIParticleRenderer c, bool dryRun)
+        {
+            if (c.hideFlags.HasFlag(HideFlags.DontSave | HideFlags.NotEditable)) return false;
+
+            if (!dryRun)
+            {
+                var go = c.gameObject;
+                Object.DestroyImmediate(c);
+                EditorUtility.SetDirty(go);
+            }
+
+            return true;
+        }
+
+        public override string Report()
+        {
+            return "  -> UIParticleRenderer component is now auto-generated object. Remove them.\n";
+        }
+    }
+}
diff --git a/Packages/src/Editor/AssetModification/UIParticleRendererComponentModifier.cs.meta b/Packages/src/Editor/AssetModification/UIParticleRendererComponentModifier.cs.meta
new file mode 100644
index 0000000..d72e25b
--- /dev/null
+++ b/Packages/src/Editor/AssetModification/UIParticleRendererComponentModifier.cs.meta
@@ -0,0 +1,11 @@
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+guid: b2a025408e4a7486a941102775d2c73b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/src/Editor/Internal/AssetModification.meta b/Packages/src/Editor/Internal/AssetModification.meta
new file mode 100644
index 0000000..6ab72f6
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 269bcefd175184eebbfa31421171fadf
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/src/Editor/Internal/AssetModification/ComponentModifier.cs b/Packages/src/Editor/Internal/AssetModification/ComponentModifier.cs
new file mode 100644
index 0000000..ac6bcab
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/ComponentModifier.cs
@@ -0,0 +1,33 @@
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal abstract class ComponentModifier<T> : IComponentModifier where T : Component
+    {
+        private static readonly List<T> s_Components = new List<T>();
+
+        public bool isModified { get; private set; }
+
+        public bool ModifyComponent(GameObject root, bool dryRun)
+        {
+            root.GetComponentsInChildren(true, s_Components);
+            foreach (var c in s_Components)
+            {
+                if (PrefabUtility.IsPartOfAnyPrefab(c.gameObject)) continue;
+
+                if (ModifyComponent(c, dryRun))
+                {
+                    isModified = true;
+                }
+            }
+
+            return isModified;
+        }
+
+        public abstract string Report();
+
+        protected abstract bool ModifyComponent(T component, bool dryRun);
+    }
+}
diff --git a/Packages/src/Editor/Internal/AssetModification/ComponentModifier.cs.meta b/Packages/src/Editor/Internal/AssetModification/ComponentModifier.cs.meta
new file mode 100644
index 0000000..68a483e
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/ComponentModifier.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 338da2d8cec784add924489fc4a7bb01
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/src/Editor/Internal/AssetModification/GameObjectModifier.cs b/Packages/src/Editor/Internal/AssetModification/GameObjectModifier.cs
new file mode 100644
index 0000000..7b4a11c
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/GameObjectModifier.cs
@@ -0,0 +1,43 @@
+using System.Linq;
+using System.Text;
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal abstract class GameObjectModifier : Modifier
+    {
+        private static readonly StringBuilder s_ReportLog = new StringBuilder();
+        public IComponentModifier[] componentModifiers;
+
+        protected bool ModifyGameObject(GameObject root, bool dryRun)
+        {
+            foreach (var modifier in componentModifiers)
+            {
+                modifier.ModifyComponent(root, dryRun);
+            }
+
+            return componentModifiers.Any(x => x.isModified);
+        }
+
+        protected override string ModificationReport()
+        {
+            if (!hasUpgraded) return string.Empty;
+
+            s_ReportLog.Length = 0;
+            foreach (var componentModifier in componentModifiers)
+            {
+                if (componentModifier.isModified)
+                {
+                    s_ReportLog.Append(componentModifier.Report());
+                }
+            }
+
+            if (0 < s_ReportLog.Length)
+            {
+                s_ReportLog.Length--;
+            }
+
+            return s_ReportLog.ToString();
+        }
+    }
+}
diff --git a/Packages/src/Editor/Internal/AssetModification/GameObjectModifier.cs.meta b/Packages/src/Editor/Internal/AssetModification/GameObjectModifier.cs.meta
new file mode 100644
index 0000000..862c22a
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/GameObjectModifier.cs.meta
@@ -0,0 +1,11 @@
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+guid: f16bc447ca4934ca3b9329d1d870440a
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
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+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/src/Editor/Internal/AssetModification/IComponentModifier.cs b/Packages/src/Editor/Internal/AssetModification/IComponentModifier.cs
new file mode 100644
index 0000000..c67592c
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/IComponentModifier.cs
@@ -0,0 +1,11 @@
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal interface IComponentModifier
+    {
+        bool isModified { get; }
+        bool ModifyComponent(GameObject root, bool dryRun);
+        string Report();
+    }
+}
diff --git a/Packages/src/Editor/Internal/AssetModification/IComponentModifier.cs.meta b/Packages/src/Editor/Internal/AssetModification/IComponentModifier.cs.meta
new file mode 100644
index 0000000..23eb2f0
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/IComponentModifier.cs.meta
@@ -0,0 +1,11 @@
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+guid: 1e50323d0799f4daf8ef476f7bf403a4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/src/Editor/Internal/AssetModification/ITextModifier.cs b/Packages/src/Editor/Internal/AssetModification/ITextModifier.cs
new file mode 100644
index 0000000..bcfe547
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/ITextModifier.cs
@@ -0,0 +1,9 @@
+using System.Text;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal interface ITextModifier
+    {
+        bool ModifyText(StringBuilder sb, string text);
+    }
+}
diff --git a/Packages/src/Editor/Internal/AssetModification/ITextModifier.cs.meta b/Packages/src/Editor/Internal/AssetModification/ITextModifier.cs.meta
new file mode 100644
index 0000000..967a444
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/ITextModifier.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 2ad967b4f039b4deba09ed0c1401cf83
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
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+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/src/Editor/Internal/AssetModification/Modifier.cs b/Packages/src/Editor/Internal/AssetModification/Modifier.cs
new file mode 100644
index 0000000..ec9c74c
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/Modifier.cs
@@ -0,0 +1,41 @@
+using System;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal abstract class Modifier
+    {
+        private string _error;
+        public string path;
+
+        protected abstract string id { get; }
+        protected bool hasUpgraded { private set; get; }
+
+        public void Modify(bool dryRun)
+        {
+            try
+            {
+                hasUpgraded = RunModify(dryRun);
+            }
+            catch (Exception e)
+            {
+                _error = e.Message;
+            }
+        }
+
+        public string GetModificationReport()
+        {
+            return !string.IsNullOrEmpty(_error)
+                ? $"<b><color=red>[{id} (Error)]</color> {path}</b> {_error}\n"
+                : hasUpgraded
+                    ? $"<b><color=green>[{id}]</color> {path}</b> {ModificationReport()}\n"
+                    : string.Empty;
+        }
+
+        protected abstract bool RunModify(bool dryRun);
+
+        protected virtual string ModificationReport()
+        {
+            return string.Empty;
+        }
+    }
+}
diff --git a/Packages/src/Editor/Internal/AssetModification/Modifier.cs.meta b/Packages/src/Editor/Internal/AssetModification/Modifier.cs.meta
new file mode 100644
index 0000000..09dc316
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/Modifier.cs.meta
@@ -0,0 +1,11 @@
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+guid: c716fe53d75054d309923c577f5059a4
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+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/src/Editor/Internal/AssetModification/PrefabModifier.cs b/Packages/src/Editor/Internal/AssetModification/PrefabModifier.cs
new file mode 100644
index 0000000..d0eccad
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/PrefabModifier.cs
@@ -0,0 +1,48 @@
+using System;
+using UnityEditor;
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal class PrefabModifier : GameObjectModifier
+    {
+        protected override string id => "Prefab";
+
+        protected override bool RunModify(bool dryRun)
+        {
+            using (var scope = new EditScope(path))
+            {
+                var changed = ModifyGameObject(scope.root, dryRun);
+
+                if (!dryRun && changed)
+                {
+                    scope.Save();
+                }
+
+                return changed;
+            }
+        }
+
+        private readonly struct EditScope : IDisposable
+        {
+            private readonly string _path;
+            public readonly GameObject root;
+
+            public EditScope(string path)
+            {
+                _path = path;
+                root = PrefabUtility.LoadPrefabContents(path);
+            }
+
+            public void Dispose()
+            {
+                PrefabUtility.UnloadPrefabContents(root);
+            }
+
+            public void Save()
+            {
+                PrefabUtility.SaveAsPrefabAsset(root, _path);
+            }
+        }
+    }
+}
diff --git a/Packages/src/Editor/Internal/AssetModification/PrefabModifier.cs.meta b/Packages/src/Editor/Internal/AssetModification/PrefabModifier.cs.meta
new file mode 100644
index 0000000..7bb9475
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/PrefabModifier.cs.meta
@@ -0,0 +1,11 @@
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+guid: a50643d4fde75458cae1f0d4ef9549ad
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/src/Editor/Internal/AssetModification/Runner.cs b/Packages/src/Editor/Internal/AssetModification/Runner.cs
new file mode 100644
index 0000000..521f842
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/Runner.cs
@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using UnityEditor;
+using UnityEditor.SceneManagement;
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal class Runner
+    {
+        private readonly List<(string ext, Func<string, Modifier> create)> _factory;
+        private readonly string _name;
+
+        protected Runner(string name, List<(string ext, Func<string, Modifier> create)> factory)
+        {
+            _name = name;
+            _factory = factory;
+        }
+
+        private Modifier CreateFromPath(string assetPath)
+        {
+            var ext = Path.GetExtension(assetPath);
+            return _factory
+                .FirstOrDefault(x => x.ext == ext)
+                .create?.Invoke(assetPath);
+        }
+
+        private Modifier[] GetModifiers(string[] assetPaths)
+        {
+            return assetPaths
+                .Where(x => x.StartsWith("Assets/", StringComparison.Ordinal))
+                .Select(CreateFromPath)
+                .Where(x => x != null)
+                .OrderBy(x => Path.GetExtension(x.path))
+                .ToArray();
+        }
+
+        public void RunIfUserWantsTo()
+        {
+            var select = EditorUtility.DisplayDialogComplex($"Upgrade {_name}",
+                "Upgrade all assets in this project?\n\n" +
+                "'Go Ahead': Upgrades all assets in this project using the old APIs. You should make a backup before proceeding.\n\n" +
+                "'Dry Run': Outputs the upgrade summary to the console without changing.", "I Made a Backup. Go Ahead!",
+                "No Thanks", "Dry Run");
+            if (select == 1) return;
+
+            if (!EditorSceneManager.SaveCurrentModifiedScenesIfUserWantsTo()) return;
+
+            var assetPaths = AssetDatabase.GetAllAssetPaths();
+            var dryRun = select == 2;
+            Run(assetPaths, dryRun);
+        }
+
+        public void Run(string[] assetPaths, bool dryRun)
+        {
+            var modifiers = GetModifiers(assetPaths);
+            var canceled = false;
+
+            try
+            {
+                AssetDatabase.StartAssetEditing();
+                EditorSceneManager.NewScene(NewSceneSetup.EmptyScene, NewSceneMode.Single);
+
+                for (var i = 0; i < modifiers.Length; i++)
+                {
+                    var percentage = (float)i / modifiers.Length;
+                    var m = modifiers[i];
+                    if (EditorUtility.DisplayCancelableProgressBar("Upgrading...", m.path, percentage))
+                    {
+                        canceled = true;
+                        break;
+                    }
+
+                    m.Modify(dryRun);
+                }
+            }
+            catch (Exception e)
+            {
+                Debug.LogException(e);
+            }
+            finally
+            {
+                var sb = new StringBuilder();
+                sb.Append(dryRun ? "<b>[DryRun]</b> " : "");
+                sb.AppendLine($"<b>Modify '{_name}' is {(canceled ? "canceled" : "completed")}.</b>");
+                sb.AppendLine("==== Modifications ====");
+                Debug.Log(modifiers.Aggregate(sb, (x, m) => x.Append(m.GetModificationReport())));
+                EditorUtility.ClearProgressBar();
+                AssetDatabase.StopAssetEditing();
+                AssetDatabase.Refresh();
+            }
+        }
+    }
+}
diff --git a/Packages/src/Editor/Internal/AssetModification/Runner.cs.meta b/Packages/src/Editor/Internal/AssetModification/Runner.cs.meta
new file mode 100644
index 0000000..b941c9e
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/Runner.cs.meta
@@ -0,0 +1,11 @@
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+guid: f28067cf4bfca4d92bd5262ac5c7a652
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diff --git a/Packages/src/Editor/Internal/AssetModification/SceneModifier.cs b/Packages/src/Editor/Internal/AssetModification/SceneModifier.cs
new file mode 100644
index 0000000..8267207
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/SceneModifier.cs
@@ -0,0 +1,53 @@
+using System;
+using UnityEditor.SceneManagement;
+using UnityEngine.SceneManagement;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal class SceneModifier : GameObjectModifier
+    {
+        protected override string id => "Scene";
+
+        protected override bool RunModify(bool dryRun)
+        {
+            using (var scope = new EditScope(path))
+            {
+                var changed = false;
+                foreach (var root in scope.scene.GetRootGameObjects())
+                {
+                    if (ModifyGameObject(root, dryRun))
+                    {
+                        changed = true;
+                    }
+                }
+
+                if (!dryRun && changed)
+                {
+                    scope.Save();
+                }
+
+                return changed;
+            }
+        }
+
+        private readonly struct EditScope : IDisposable
+        {
+            public readonly Scene scene;
+
+            public EditScope(string path)
+            {
+                scene = EditorSceneManager.OpenScene(path, OpenSceneMode.Additive);
+            }
+
+            public void Dispose()
+            {
+                EditorSceneManager.CloseScene(scene, true);
+            }
+
+            public void Save()
+            {
+                EditorSceneManager.SaveScene(scene);
+            }
+        }
+    }
+}
diff --git a/Packages/src/Editor/Internal/AssetModification/SceneModifier.cs.meta b/Packages/src/Editor/Internal/AssetModification/SceneModifier.cs.meta
new file mode 100644
index 0000000..e43cbaa
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/SceneModifier.cs.meta
@@ -0,0 +1,11 @@
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diff --git a/Packages/src/Editor/Internal/AssetModification/TextAssetModifier.cs b/Packages/src/Editor/Internal/AssetModification/TextAssetModifier.cs
new file mode 100644
index 0000000..cf43857
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/TextAssetModifier.cs
@@ -0,0 +1,78 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal class TextAssetModifier : Modifier
+    {
+        public ITextModifier[] textModifiers;
+        protected override string id => "Text";
+        protected virtual string savePath => path;
+
+        protected override bool RunModify(bool dryRun)
+        {
+            var changed = false;
+            using (var scope = new EditScope(path, savePath))
+            {
+                foreach (var line in scope.lines)
+                {
+                    if (ModifyLine(scope.sb, line))
+                    {
+                        changed = true;
+                    }
+                    else
+                    {
+                        scope.sb.AppendLine(line);
+                    }
+                }
+
+                if (!dryRun && changed)
+                {
+                    scope.Save();
+                }
+
+                return changed;
+            }
+        }
+
+        private bool ModifyLine(StringBuilder sb, string line)
+        {
+            foreach (var modifier in textModifiers)
+            {
+                if (modifier.ModifyText(sb, line))
+                {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        private readonly struct EditScope : IDisposable
+        {
+            private static readonly StringBuilder s_File = new StringBuilder();
+            private readonly string _path;
+            private readonly string _savePath;
+            public IEnumerable<string> lines => File.ReadLines(_path);
+            public StringBuilder sb => s_File;
+
+            public EditScope(string path, string savePath)
+            {
+                s_File.Length = 0;
+                _path = path;
+                _savePath = savePath;
+            }
+
+            public void Dispose()
+            {
+            }
+
+            public void Save()
+            {
+                File.WriteAllText(_savePath, sb.ToString());
+            }
+        }
+    }
+}
diff --git a/Packages/src/Editor/Internal/AssetModification/TextAssetModifier.cs.meta b/Packages/src/Editor/Internal/AssetModification/TextAssetModifier.cs.meta
new file mode 100644
index 0000000..cc24bf2
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/TextAssetModifier.cs.meta
@@ -0,0 +1,11 @@
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diff --git a/Packages/src/Editor/Internal/AssetModification/TextReplaceModifier.cs b/Packages/src/Editor/Internal/AssetModification/TextReplaceModifier.cs
new file mode 100644
index 0000000..4dd1e65
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/TextReplaceModifier.cs
@@ -0,0 +1,25 @@
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal class TextReplaceModifier : ITextModifier
+    {
+        private readonly Regex _pattern;
+        private readonly string _replace;
+
+        public TextReplaceModifier(string pattern, string replace)
+        {
+            _pattern = new Regex(pattern);
+            _replace = replace;
+        }
+
+        public bool ModifyText(StringBuilder sb, string text)
+        {
+            if (!_pattern.IsMatch(text)) return false;
+
+            sb.AppendLine(_pattern.Replace(text, _replace));
+            return true;
+        }
+    }
+}
diff --git a/Packages/src/Editor/Internal/AssetModification/TextReplaceModifier.cs.meta b/Packages/src/Editor/Internal/AssetModification/TextReplaceModifier.cs.meta
new file mode 100644
index 0000000..fe35ab6
--- /dev/null
+++ b/Packages/src/Editor/Internal/AssetModification/TextReplaceModifier.cs.meta
@@ -0,0 +1,11 @@
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