diff --git a/Data~/hybridclr_version.json b/Data~/hybridclr_version.json
index 75b34f7..9303efd 100644
--- a/Data~/hybridclr_version.json
+++ b/Data~/hybridclr_version.json
@@ -2,37 +2,37 @@
     "versions": [
     {
         "unity_version":"2019",
-        "hybridclr" : { "branch":"v8.5.1"},
+        "hybridclr" : { "branch":"v8.6.0"},
         "il2cpp_plus": { "branch":"v2019-8.1.0"}
     },
     {
         "unity_version":"2020",
-        "hybridclr" : { "branch":"v8.5.1"},
+        "hybridclr" : { "branch":"v8.6.0"},
         "il2cpp_plus": { "branch":"v2020-8.1.0"}
     },
     {
         "unity_version":"2021",
-        "hybridclr" : { "branch":"v8.5.1"},
+        "hybridclr" : { "branch":"v8.6.0"},
         "il2cpp_plus": { "branch":"v2021-8.1.0"}
     },
     {
         "unity_version":"2022",
-        "hybridclr" : { "branch":"v8.5.1"},
+        "hybridclr" : { "branch":"v8.6.0"},
         "il2cpp_plus": { "branch":"v2022-8.2.0"}
     },
     {
         "unity_version":"2022-tuanjie",
-        "hybridclr" : { "branch":"v8.5.1"},
-        "il2cpp_plus": { "branch":"v2022-tuanjie-8.3.0"}
+        "hybridclr" : { "branch":"v8.6.0"},
+        "il2cpp_plus": { "branch":"v2022-tuanjie-8.6.0"}
     },
     {
         "unity_version":"2023",
-        "hybridclr" : { "branch":"v8.5.1"},
+        "hybridclr" : { "branch":"v8.6.0"},
         "il2cpp_plus": { "branch":"v2023-8.1.0"}
     },
     {
         "unity_version":"6000",
-        "hybridclr" : { "branch":"v8.5.1"},
+        "hybridclr" : { "branch":"v8.6.0"},
         "il2cpp_plus": { "branch":"v6000-8.1.0"}
     }
     ]
diff --git a/RELEASELOG.md b/RELEASELOG.md
index 15c01d1..5631b79 100644
--- a/RELEASELOG.md
+++ b/RELEASELOG.md
@@ -1,5 +1,20 @@
 # ReleaseLog
 
+## 8.6.0
+
+Release Date: 2025-09-27.
+
+### Runtime
+
+- [fix] fix the crash in InterpreterDelegateInvoke when compiled in Release mode on Xcode 26.x. This bug is caused by an optimization issue in the newer Clang version.
+- [fix] [tuanjie] fix a bug on tuanjie that calling Init of Il2CppClass `Nullable<EnumType`> may not init Il2CppClass of EnumType, which causes crash when box `Nullable<EnumType>`
+- [fix] [tuanjie] fix bug that computation of method index in Class::GetGenericInstanceMethodFromDefintion. tuanjie 1.6.4 only fixes it when IL2CPP_ENABLE_LAZY_INIT.
+- [merge] merge il2cpp of tuanjie changes from 1.6.0-1.6.4
+
+### Editor
+
+- [fix] fix the bug that BashUtil.CopyDir calls UnityEditor.FileUtil.CopyFileOrDirectory failed when parent directory of dst does not exist.
+
 ## 8.5.1
 
 Release Date: 2025-08-25.
diff --git a/package.json b/package.json
index d2a158b..d5bb007 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.code-philosophy.hybridclr",
-  "version": "8.5.1",
+  "version": "8.6.0",
   "displayName": "HybridCLR",
   "description": "HybridCLR is a fully featured, zero-cost, high-performance, low-memory solution for Unity's all-platform native c# hotupdate.",
   "category": "Scripting",