diff --git a/CHANGELOG.md b/CHANGELOG.md
index 04f9d583..6a368e7d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,30 @@
+## [3.1.5](https://github.com/vuejs/vue-next/compare/v3.1.4...v3.1.5) (2021-07-16)
+
+
+### Bug Fixes
+
+* **compat:** fix props check for v-model compat warning ([#4056](https://github.com/vuejs/vue-next/issues/4056)) ([f3e15f6](https://github.com/vuejs/vue-next/commit/f3e15f633edfa2d4f116bf52fd5dee02655567e3))
+* **compat:** fix v3 compiled fn detection in production ([8dbad83](https://github.com/vuejs/vue-next/commit/8dbad83e7fa39be3e61ca694a6090c1646117953))
+* **compiler:** Addressed infinite loop in compiler ([#3992](https://github.com/vuejs/vue-next/issues/3992)) ([e00aa56](https://github.com/vuejs/vue-next/commit/e00aa56658ec207d45aae6eb23f0267b9e1c55e2)), closes [#3987](https://github.com/vuejs/vue-next/issues/3987)
+* **compiler-core:** fix forwarded slots detection on template slots ([#4124](https://github.com/vuejs/vue-next/issues/4124)) ([c23153d](https://github.com/vuejs/vue-next/commit/c23153d82eb2aa57d254dd362a78383defec3968)), closes [#4123](https://github.com/vuejs/vue-next/issues/4123)
+* **compiler-sfc:** duplicated injected css var with repeated vars in style ([#2802](https://github.com/vuejs/vue-next/issues/2802)) ([2901050](https://github.com/vuejs/vue-next/commit/29010501cc9611eb9cacb99a24827053ced3e018))
+* **compiler-sfc:** should not rewrite ref sugar identifiers in types ([6fad209](https://github.com/vuejs/vue-next/commit/6fad2093a46898636af34ddc148616473a234617)), closes [#4062](https://github.com/vuejs/vue-next/issues/4062)
+* **reactivity:** call array subclass methods ([#3624](https://github.com/vuejs/vue-next/issues/3624)) ([1cfe290](https://github.com/vuejs/vue-next/commit/1cfe290352456f0faf8319d7e193a4b3a31ef352)), closes [#2314](https://github.com/vuejs/vue-next/issues/2314) [#2315](https://github.com/vuejs/vue-next/issues/2315)
+* **ref:** should not trigger when setting value to same proxy ([#3658](https://github.com/vuejs/vue-next/issues/3658)) ([08f504c](https://github.com/vuejs/vue-next/commit/08f504c1b7798d95c1c0a9d0894b846ff955ce3c))
+* **runtime-core:** enter optimized mode for component as root ([68365b9](https://github.com/vuejs/vue-next/commit/68365b9b2bc2ccef93e88475c4f15e7cfb4f2497)), closes [#3943](https://github.com/vuejs/vue-next/issues/3943)
+* **runtime-dom:** capture errors when setting value for IDL ([#3578](https://github.com/vuejs/vue-next/issues/3578)) ([3756270](https://github.com/vuejs/vue-next/commit/37562702725fc328286b63499422856ac47890d7)), closes [#3576](https://github.com/vuejs/vue-next/issues/3576)
+* **runtime-dom:** remove class attribute on nullish values ([7013e8f](https://github.com/vuejs/vue-next/commit/7013e8f5781e838256bf07e7d5de58a974e761a8)), closes [#3173](https://github.com/vuejs/vue-next/issues/3173)
+* **sfc:** fix `<script setup>` async context preservation logic ([03e2684](https://github.com/vuejs/vue-next/commit/03e26845e2c220b1350a35179acf3435e2711282)), closes [#4050](https://github.com/vuejs/vue-next/issues/4050)
+* **sfc:** fix style variables injection on static vnode ([#3847](https://github.com/vuejs/vue-next/issues/3847)) ([6a0c7cd](https://github.com/vuejs/vue-next/commit/6a0c7cd9051e1b3eb1a3ce1eaadfd9c828b53daa)), closes [#3841](https://github.com/vuejs/vue-next/issues/3841)
+* **sfc:** only enable jsx parser plugin when explicitly using tsx ([5df7dfc](https://github.com/vuejs/vue-next/commit/5df7dfcd71172f97a045297cdeea226e0b354a93)), closes [#4106](https://github.com/vuejs/vue-next/issues/4106)
+* **type:** infer parent as `this` on `nextTick` function ([#3608](https://github.com/vuejs/vue-next/issues/3608)) ([18911ab](https://github.com/vuejs/vue-next/commit/18911abb917788106221027032bc771f0e37886d)), closes [#3599](https://github.com/vuejs/vue-next/issues/3599)
+* **v-model:** handle mutations of v-model bound array/sets ([2937530](https://github.com/vuejs/vue-next/commit/2937530beff5c6bb57286c2556307859e37aa809)), closes [#4096](https://github.com/vuejs/vue-next/issues/4096)
+* **v-model:** support calling methods in v-model expression ([5af718b](https://github.com/vuejs/vue-next/commit/5af718ba41f53d032fd33861494f96b70c107acd)), closes [#3993](https://github.com/vuejs/vue-next/issues/3993)
+* **v-on:** proper member exp detection for bracket assignment ([395572b](https://github.com/vuejs/vue-next/commit/395572b593c300be4db698777503bebe2bba2950)), closes [#4097](https://github.com/vuejs/vue-next/issues/4097)
+* **v-on:** properly detect member expressions with optional chaining ([963085d](https://github.com/vuejs/vue-next/commit/963085d18c472b13c2d3894d5bd4aac1420767f8)), closes [#4107](https://github.com/vuejs/vue-next/issues/4107)
+
+
+
 ## [3.1.4](https://github.com/vuejs/vue-next/compare/v3.1.3...v3.1.4) (2021-07-02)
 
 
diff --git a/package.json b/package.json
index 38ee1726..be408b94 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "private": true,
-  "version": "3.1.4",
+  "version": "3.1.5",
   "workspaces": [
     "packages/*"
   ],
diff --git a/packages/compiler-core/package.json b/packages/compiler-core/package.json
index c79750c2..ebbe0b9d 100644
--- a/packages/compiler-core/package.json
+++ b/packages/compiler-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/compiler-core",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "description": "@vue/compiler-core",
   "main": "index.js",
   "module": "dist/compiler-core.esm-bundler.js",
@@ -32,7 +32,7 @@
   },
   "homepage": "https://github.com/vuejs/vue-next/tree/master/packages/compiler-core#readme",
   "dependencies": {
-    "@vue/shared": "3.1.4",
+    "@vue/shared": "3.1.5",
     "@babel/parser": "^7.12.0",
     "@babel/types": "^7.12.0",
     "estree-walker": "^2.0.1",
diff --git a/packages/compiler-dom/package.json b/packages/compiler-dom/package.json
index 25830aa6..e0e39334 100644
--- a/packages/compiler-dom/package.json
+++ b/packages/compiler-dom/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/compiler-dom",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "description": "@vue/compiler-dom",
   "main": "index.js",
   "module": "dist/compiler-dom.esm-bundler.js",
@@ -37,7 +37,7 @@
   },
   "homepage": "https://github.com/vuejs/vue-next/tree/master/packages/compiler-dom#readme",
   "dependencies": {
-    "@vue/shared": "3.1.4",
-    "@vue/compiler-core": "3.1.4"
+    "@vue/shared": "3.1.5",
+    "@vue/compiler-core": "3.1.5"
   }
 }
diff --git a/packages/compiler-sfc/package.json b/packages/compiler-sfc/package.json
index 790a0087..b86b7fe5 100644
--- a/packages/compiler-sfc/package.json
+++ b/packages/compiler-sfc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/compiler-sfc",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "description": "@vue/compiler-sfc",
   "main": "dist/compiler-sfc.cjs.js",
   "types": "dist/compiler-sfc.d.ts",
@@ -31,16 +31,16 @@
   },
   "homepage": "https://github.com/vuejs/vue-next/tree/master/packages/compiler-sfc#readme",
   "peerDependencies": {
-    "vue": "3.1.4"
+    "vue": "3.1.5"
   },
   "dependencies": {
     "@babel/parser": "^7.13.9",
     "@babel/types": "^7.13.0",
     "@types/estree": "^0.0.48",
-    "@vue/compiler-core": "3.1.4",
-    "@vue/compiler-dom": "3.1.4",
-    "@vue/compiler-ssr": "3.1.4",
-    "@vue/shared": "3.1.4",
+    "@vue/compiler-core": "3.1.5",
+    "@vue/compiler-dom": "3.1.5",
+    "@vue/compiler-ssr": "3.1.5",
+    "@vue/shared": "3.1.5",
     "consolidate": "^0.16.0",
     "estree-walker": "^2.0.1",
     "hash-sum": "^2.0.0",
diff --git a/packages/compiler-ssr/package.json b/packages/compiler-ssr/package.json
index 1547b41d..667e837c 100644
--- a/packages/compiler-ssr/package.json
+++ b/packages/compiler-ssr/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/compiler-ssr",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "description": "@vue/compiler-ssr",
   "main": "dist/compiler-ssr.cjs.js",
   "types": "dist/compiler-ssr.d.ts",
@@ -28,7 +28,7 @@
   },
   "homepage": "https://github.com/vuejs/vue-next/tree/master/packages/compiler-ssr#readme",
   "dependencies": {
-    "@vue/shared": "3.1.4",
-    "@vue/compiler-dom": "3.1.4"
+    "@vue/shared": "3.1.5",
+    "@vue/compiler-dom": "3.1.5"
   }
 }
diff --git a/packages/reactivity/package.json b/packages/reactivity/package.json
index b99f965c..c96c789c 100644
--- a/packages/reactivity/package.json
+++ b/packages/reactivity/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/reactivity",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "description": "@vue/reactivity",
   "main": "index.js",
   "module": "dist/reactivity.esm-bundler.js",
@@ -36,6 +36,6 @@
   },
   "homepage": "https://github.com/vuejs/vue-next/tree/master/packages/reactivity#readme",
   "dependencies": {
-    "@vue/shared": "3.1.4"
+    "@vue/shared": "3.1.5"
   }
 }
diff --git a/packages/runtime-core/package.json b/packages/runtime-core/package.json
index 72efdd64..f2da397c 100644
--- a/packages/runtime-core/package.json
+++ b/packages/runtime-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/runtime-core",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "description": "@vue/runtime-core",
   "main": "index.js",
   "module": "dist/runtime-core.esm-bundler.js",
@@ -32,7 +32,7 @@
   },
   "homepage": "https://github.com/vuejs/vue-next/tree/master/packages/runtime-core#readme",
   "dependencies": {
-    "@vue/shared": "3.1.4",
-    "@vue/reactivity": "3.1.4"
+    "@vue/shared": "3.1.5",
+    "@vue/reactivity": "3.1.5"
   }
 }
diff --git a/packages/runtime-dom/package.json b/packages/runtime-dom/package.json
index cf681a1f..3542b3f2 100644
--- a/packages/runtime-dom/package.json
+++ b/packages/runtime-dom/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/runtime-dom",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "description": "@vue/runtime-dom",
   "main": "index.js",
   "module": "dist/runtime-dom.esm-bundler.js",
@@ -35,8 +35,8 @@
   },
   "homepage": "https://github.com/vuejs/vue-next/tree/master/packages/runtime-dom#readme",
   "dependencies": {
-    "@vue/shared": "3.1.4",
-    "@vue/runtime-core": "3.1.4",
+    "@vue/shared": "3.1.5",
+    "@vue/runtime-core": "3.1.5",
     "csstype": "^2.6.8"
   }
 }
diff --git a/packages/runtime-test/package.json b/packages/runtime-test/package.json
index 53ee1e8b..0f7171cd 100644
--- a/packages/runtime-test/package.json
+++ b/packages/runtime-test/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/runtime-test",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "description": "@vue/runtime-test",
   "private": true,
   "main": "index.js",
@@ -25,7 +25,7 @@
   },
   "homepage": "https://github.com/vuejs/vue-next/tree/master/packages/runtime-test#readme",
   "dependencies": {
-    "@vue/shared": "3.1.4",
-    "@vue/runtime-core": "3.1.4"
+    "@vue/shared": "3.1.5",
+    "@vue/runtime-core": "3.1.5"
   }
 }
diff --git a/packages/server-renderer/package.json b/packages/server-renderer/package.json
index 97e8fc9e..b5bc6823 100644
--- a/packages/server-renderer/package.json
+++ b/packages/server-renderer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/server-renderer",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "description": "@vue/server-renderer",
   "main": "index.js",
   "types": "dist/server-renderer.d.ts",
@@ -28,10 +28,10 @@
   },
   "homepage": "https://github.com/vuejs/vue-next/tree/master/packages/server-renderer#readme",
   "peerDependencies": {
-    "vue": "3.1.4"
+    "vue": "3.1.5"
   },
   "dependencies": {
-    "@vue/shared": "3.1.4",
-    "@vue/compiler-ssr": "3.1.4"
+    "@vue/shared": "3.1.5",
+    "@vue/compiler-ssr": "3.1.5"
   }
 }
diff --git a/packages/sfc-playground/package.json b/packages/sfc-playground/package.json
index 4104f7ce..fb587ae2 100644
--- a/packages/sfc-playground/package.json
+++ b/packages/sfc-playground/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/sfc-playground",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "private": true,
   "scripts": {
     "dev": "vite",
diff --git a/packages/shared/package.json b/packages/shared/package.json
index 66ab96d7..038cb8d1 100644
--- a/packages/shared/package.json
+++ b/packages/shared/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/shared",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "description": "internal utils shared across @vue packages",
   "main": "index.js",
   "module": "dist/shared.esm-bundler.js",
diff --git a/packages/size-check/package.json b/packages/size-check/package.json
index 2469d0de..277b4b9f 100644
--- a/packages/size-check/package.json
+++ b/packages/size-check/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/size-check",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "private": true,
   "buildOptions": {
     "name": "Vue",
diff --git a/packages/template-explorer/package.json b/packages/template-explorer/package.json
index dc285ac0..b35d139d 100644
--- a/packages/template-explorer/package.json
+++ b/packages/template-explorer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/template-explorer",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "private": true,
   "buildOptions": {
     "formats": [
diff --git a/packages/vue-compat/package.json b/packages/vue-compat/package.json
index b17b6adb..79d53299 100644
--- a/packages/vue-compat/package.json
+++ b/packages/vue-compat/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/compat",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "description": "Vue 3 compatibility build for Vue 2",
   "main": "index.js",
   "module": "dist/vue.runtime.esm-bundler.js",
@@ -38,6 +38,6 @@
   },
   "homepage": "https://github.com/vuejs/vue-next/tree/master/packages/vue-compat#readme",
   "peerDependencies": {
-    "vue": "3.1.4"
+    "vue": "3.1.5"
   }
 }
diff --git a/packages/vue/package.json b/packages/vue/package.json
index c44e3c22..3d38ed20 100644
--- a/packages/vue/package.json
+++ b/packages/vue/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "description": "The progressive JavaScript framework for buiding modern web UI.",
   "main": "index.js",
   "module": "dist/vue.runtime.esm-bundler.js",
@@ -37,9 +37,9 @@
   },
   "homepage": "https://github.com/vuejs/vue-next/tree/master/packages/vue#readme",
   "dependencies": {
-    "@vue/shared": "3.1.4",
-    "@vue/compiler-dom": "3.1.4",
-    "@vue/runtime-dom": "3.1.4"
+    "@vue/shared": "3.1.5",
+    "@vue/compiler-dom": "3.1.5",
+    "@vue/runtime-dom": "3.1.5"
   },
   "devDependencies": {
     "lodash": "^4.17.15",