diff --git a/CHANGELOG.md b/CHANGELOG.md
index be105cbfcdb..e10e5632c04 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,14 @@
+## [3.4.2](https://github.com/vuejs/core/compare/v3.4.1...v3.4.2) (2023-12-30)
+
+
+### Bug Fixes
+
+* **compiler-sfc:** fix dev regression for dot / namespace component usage ([dce99c1](https://github.com/vuejs/core/commit/dce99c12df981ca45a4d848c37ba8b16496025f0)), closes [#9947](https://github.com/vuejs/core/issues/9947)
+* **runtime-core:** support deep: false when watch reactive ([#9928](https://github.com/vuejs/core/issues/9928)) ([4f703d1](https://github.com/vuejs/core/commit/4f703d120d76d711084346f73ea295c73e6ef6b6)), closes [#9916](https://github.com/vuejs/core/issues/9916)
+* **ssr:** fix hydration error for slot outlet inside transition-group ([#9937](https://github.com/vuejs/core/issues/9937)) ([6cb00ed](https://github.com/vuejs/core/commit/6cb00ed0f9b64428ec18fada0f68467d6a813fde)), closes [#9933](https://github.com/vuejs/core/issues/9933)
+
+
+
 ## [3.4.1](https://github.com/vuejs/core/compare/v3.4.0...v3.4.1) (2023-12-30)
 
 
diff --git a/package.json b/package.json
index 70da20ed52e..add8eab6e21 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "private": true,
-  "version": "3.4.1",
+  "version": "3.4.2",
   "packageManager": "pnpm@8.12.1",
   "type": "module",
   "scripts": {
diff --git a/packages/compiler-core/package.json b/packages/compiler-core/package.json
index 0aed4be6ef7..4bd35266fed 100644
--- a/packages/compiler-core/package.json
+++ b/packages/compiler-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/compiler-core",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "@vue/compiler-core",
   "main": "index.js",
   "module": "dist/compiler-core.esm-bundler.js",
diff --git a/packages/compiler-dom/package.json b/packages/compiler-dom/package.json
index 95912165b37..1d56d6fdff0 100644
--- a/packages/compiler-dom/package.json
+++ b/packages/compiler-dom/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/compiler-dom",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "@vue/compiler-dom",
   "main": "index.js",
   "module": "dist/compiler-dom.esm-bundler.js",
diff --git a/packages/compiler-sfc/package.json b/packages/compiler-sfc/package.json
index 684ff4afdf6..ad85bed3e55 100644
--- a/packages/compiler-sfc/package.json
+++ b/packages/compiler-sfc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/compiler-sfc",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "@vue/compiler-sfc",
   "main": "dist/compiler-sfc.cjs.js",
   "module": "dist/compiler-sfc.esm-browser.js",
diff --git a/packages/compiler-ssr/package.json b/packages/compiler-ssr/package.json
index 211504c7a9b..7dd9f551f1f 100644
--- a/packages/compiler-ssr/package.json
+++ b/packages/compiler-ssr/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/compiler-ssr",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "@vue/compiler-ssr",
   "main": "dist/compiler-ssr.cjs.js",
   "types": "dist/compiler-ssr.d.ts",
diff --git a/packages/reactivity/package.json b/packages/reactivity/package.json
index acc43e932d6..d903c9edf35 100644
--- a/packages/reactivity/package.json
+++ b/packages/reactivity/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/reactivity",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "@vue/reactivity",
   "main": "index.js",
   "module": "dist/reactivity.esm-bundler.js",
diff --git a/packages/runtime-core/package.json b/packages/runtime-core/package.json
index 9e8b20e6246..a5d6bb12bfe 100644
--- a/packages/runtime-core/package.json
+++ b/packages/runtime-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/runtime-core",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "@vue/runtime-core",
   "main": "index.js",
   "module": "dist/runtime-core.esm-bundler.js",
diff --git a/packages/runtime-dom/package.json b/packages/runtime-dom/package.json
index acd4760e2c2..23c92b225c1 100644
--- a/packages/runtime-dom/package.json
+++ b/packages/runtime-dom/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/runtime-dom",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "@vue/runtime-dom",
   "main": "index.js",
   "module": "dist/runtime-dom.esm-bundler.js",
diff --git a/packages/server-renderer/package.json b/packages/server-renderer/package.json
index b41e757a27d..ee3cc84b936 100644
--- a/packages/server-renderer/package.json
+++ b/packages/server-renderer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/server-renderer",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "@vue/server-renderer",
   "main": "index.js",
   "module": "dist/server-renderer.esm-bundler.js",
diff --git a/packages/shared/package.json b/packages/shared/package.json
index 97fdfb01fc1..7ddc6d58f6d 100644
--- a/packages/shared/package.json
+++ b/packages/shared/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/shared",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "internal utils shared across @vue packages",
   "main": "index.js",
   "module": "dist/shared.esm-bundler.js",
diff --git a/packages/vue-compat/package.json b/packages/vue-compat/package.json
index 0020a1c7fed..017879cc718 100644
--- a/packages/vue-compat/package.json
+++ b/packages/vue-compat/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vue/compat",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "Vue 3 compatibility build for Vue 2",
   "main": "index.js",
   "module": "dist/vue.runtime.esm-bundler.js",
diff --git a/packages/vue/package.json b/packages/vue/package.json
index c0ec583c519..94b2f20c277 100644
--- a/packages/vue/package.json
+++ b/packages/vue/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "The progressive JavaScript framework for building modern web UI.",
   "main": "index.js",
   "module": "dist/vue.runtime.esm-bundler.js",