diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48bd0209f..ea410798d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,14 @@
 
+## v9.2.0-beta.8 (2021-09-28)
+
+#### :zap: Improvement Features
+* `vue-i18n-bridge`, `vue-i18n-core`, `vue-i18n`
+  * [#700](https://github.com/intlify/vue-i18n-next/pull/700) improvement: expose type casting API for Legacy mode ([@kazupon](https://github.com/kazupon))
+
+#### Committers: 1
+- kazuya kawaguchi ([@kazupon](https://github.com/kazupon))
+
+
 ## v9.2.0-beta.7 (2021-09-27)
 
 #### :bug: Bug Fixes
diff --git a/package.json b/package.json
index 4ec36fab7..f892dc0ea 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-i18n-next",
-  "version": "9.2.0-beta.7",
+  "version": "9.2.0-beta.8",
   "license": "MIT",
   "author": {
     "name": "kazuya kawaguchi",
diff --git a/packages/core-base/package.json b/packages/core-base/package.json
index 69bccd598..a1be7bab6 100644
--- a/packages/core-base/package.json
+++ b/packages/core-base/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@intlify/core-base",
-  "version": "9.2.0-beta.7",
+  "version": "9.2.0-beta.8",
   "description": "@intlify/core-base",
   "keywords": [
     "core",
@@ -33,10 +33,10 @@
   "jsdelivr": "dist/core-base.global.js",
   "types": "dist/core-base.d.ts",
   "dependencies": {
-    "@intlify/devtools-if": "9.2.0-beta.7",
-    "@intlify/message-compiler": "9.2.0-beta.7",
-    "@intlify/shared": "9.2.0-beta.7",
-    "@intlify/vue-devtools": "9.2.0-beta.7"
+    "@intlify/devtools-if": "9.2.0-beta.8",
+    "@intlify/message-compiler": "9.2.0-beta.8",
+    "@intlify/shared": "9.2.0-beta.8",
+    "@intlify/vue-devtools": "9.2.0-beta.8"
   },
   "engines": {
     "node": ">= 12"
diff --git a/packages/core/package.json b/packages/core/package.json
index 26a3a5f98..1b2729f12 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@intlify/core",
-  "version": "9.2.0-beta.7",
+  "version": "9.2.0-beta.8",
   "description": "@intlify/core",
   "keywords": [
     "core",
@@ -33,7 +33,7 @@
   "jsdelivr": "dist/core.global.js",
   "types": "dist/core.d.ts",
   "dependencies": {
-    "@intlify/core-base": "9.2.0-beta.7"
+    "@intlify/core-base": "9.2.0-beta.8"
   },
   "engines": {
     "node": ">= 12"
diff --git a/packages/devtools-if/package.json b/packages/devtools-if/package.json
index 486b7fc58..721a8c5aa 100644
--- a/packages/devtools-if/package.json
+++ b/packages/devtools-if/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@intlify/devtools-if",
-  "version": "9.2.0-beta.7",
+  "version": "9.2.0-beta.8",
   "description": "@intlify/devtools-if",
   "keywords": [
     "devtools",
@@ -30,7 +30,7 @@
   "module": "dist/devtools-if.esm-bundler.js",
   "types": "dist/devtools-if.d.ts",
   "dependencies": {
-    "@intlify/shared": "9.2.0-beta.7"
+    "@intlify/shared": "9.2.0-beta.8"
   },
   "engines": {
     "node": ">= 12"
diff --git a/packages/message-compiler/package.json b/packages/message-compiler/package.json
index f2c2bfc0b..bdb7fdd39 100644
--- a/packages/message-compiler/package.json
+++ b/packages/message-compiler/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@intlify/message-compiler",
-  "version": "9.2.0-beta.7",
+  "version": "9.2.0-beta.8",
   "description": "@intlify/message-compiler",
   "keywords": [
     "compiler",
@@ -33,7 +33,7 @@
   "jsdelivr": "dist/message-compiler.global.js",
   "types": "dist/message-compiler.d.ts",
   "dependencies": {
-    "@intlify/shared": "9.2.0-beta.7",
+    "@intlify/shared": "9.2.0-beta.8",
     "source-map": "0.6.1"
   },
   "engines": {
diff --git a/packages/petite-vue-i18n/package.json b/packages/petite-vue-i18n/package.json
index e8fa3ed45..d0dd29055 100644
--- a/packages/petite-vue-i18n/package.json
+++ b/packages/petite-vue-i18n/package.json
@@ -1,6 +1,6 @@
 {
   "name": "petite-vue-i18n",
-  "version": "9.2.0-beta.7",
+  "version": "9.2.0-beta.8",
   "description": "Vue I18n lite version",
   "keywords": [
     "i18n",
@@ -35,13 +35,13 @@
   "jsdelivr": "dist/petite-vue-i18n.global.js",
   "types": "dist/petite-vue-i18n.d.ts",
   "dependencies": {
-    "@intlify/core-base": "9.2.0-beta.7",
-    "@intlify/shared": "9.2.0-beta.7",
-    "@intlify/vue-devtools": "9.2.0-beta.7",
+    "@intlify/core-base": "9.2.0-beta.8",
+    "@intlify/shared": "9.2.0-beta.8",
+    "@intlify/vue-devtools": "9.2.0-beta.8",
     "@vue/devtools-api": "^6.0.0-beta.13"
   },
   "devDependencies": {
-    "@intlify/devtools-if": "9.2.0-beta.7"
+    "@intlify/devtools-if": "9.2.0-beta.8"
   },
   "peerDependencies": {
     "vue": "^3.0.0"
diff --git a/packages/shared/package.json b/packages/shared/package.json
index ff87e5dd0..d9a0bbe96 100644
--- a/packages/shared/package.json
+++ b/packages/shared/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@intlify/shared",
-  "version": "9.2.0-beta.7",
+  "version": "9.2.0-beta.8",
   "description": "@intlify/shared",
   "keywords": [
     "i18n",
diff --git a/packages/vue-devtools/package.json b/packages/vue-devtools/package.json
index 1f2185d8b..40f0ab11b 100644
--- a/packages/vue-devtools/package.json
+++ b/packages/vue-devtools/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@intlify/vue-devtools",
-  "version": "9.2.0-beta.7",
+  "version": "9.2.0-beta.8",
   "description": "@intlify/vue-devtools",
   "keywords": [
     "i18n",
@@ -30,8 +30,8 @@
   "module": "dist/vue-devtools.esm-bundler.js",
   "types": "dist/vue-devtools.d.ts",
   "dependencies": {
-    "@intlify/core-base": "9.2.0-beta.7",
-    "@intlify/shared": "9.2.0-beta.7"
+    "@intlify/core-base": "9.2.0-beta.8",
+    "@intlify/shared": "9.2.0-beta.8"
   },
   "engines": {
     "node": ">= 12"
diff --git a/packages/vue-i18n-bridge/package.json b/packages/vue-i18n-bridge/package.json
index 36a85b096..a3794cf2f 100644
--- a/packages/vue-i18n-bridge/package.json
+++ b/packages/vue-i18n-bridge/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-i18n-bridge",
-  "version": "9.2.0-beta.7",
+  "version": "9.2.0-beta.8",
   "description": "A bridge for Vue I18n Legacy",
   "keywords": [
     "bridge",
@@ -36,14 +36,14 @@
   "jsdelivr": "dist/vue-i18n-bridge.global.js",
   "types": "dist/vue-i18n-bridge.d.ts",
   "dependencies": {
-    "@intlify/core-base": "9.2.0-beta.7",
-    "@intlify/shared": "9.2.0-beta.7",
-    "@intlify/vue-devtools": "9.2.0-beta.7",
+    "@intlify/core-base": "9.2.0-beta.8",
+    "@intlify/shared": "9.2.0-beta.8",
+    "@intlify/vue-devtools": "9.2.0-beta.8",
     "@vue/composition-api": "^1.2.1",
     "@vue/devtools-api": "^6.0.0-beta.13"
   },
   "devDependencies": {
-    "@intlify/devtools-if": "9.2.0-beta.7"
+    "@intlify/devtools-if": "9.2.0-beta.8"
   },
   "peerDependencies": {
     "@vue/composition-api": "^1.2.0"
diff --git a/packages/vue-i18n-core/package.json b/packages/vue-i18n-core/package.json
index 3a2209b2b..481cbde90 100644
--- a/packages/vue-i18n-core/package.json
+++ b/packages/vue-i18n-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@intlify/vue-i18n-core",
-  "version": "9.2.0-beta.7",
+  "version": "9.2.0-beta.8",
   "description": "@intlify/vue-i18n-core",
   "keywords": [
     "core",
@@ -35,13 +35,13 @@
   "jsdelivr": "dist/vue-i18n-core.global.js",
   "types": "dist/vue-i18n-core.d.ts",
   "dependencies": {
-    "@intlify/core-base": "9.2.0-beta.7",
-    "@intlify/shared": "9.2.0-beta.7",
-    "@intlify/vue-devtools": "9.2.0-beta.7",
+    "@intlify/core-base": "9.2.0-beta.8",
+    "@intlify/shared": "9.2.0-beta.8",
+    "@intlify/vue-devtools": "9.2.0-beta.8",
     "@vue/devtools-api": "^6.0.0-beta.13"
   },
   "devDependencies": {
-    "@intlify/devtools-if": "9.2.0-beta.7"
+    "@intlify/devtools-if": "9.2.0-beta.8"
   },
   "peerDependencies": {
     "vue": "^3.0.0"
diff --git a/packages/vue-i18n/package.json b/packages/vue-i18n/package.json
index 1c3be4473..cef4ca2dc 100644
--- a/packages/vue-i18n/package.json
+++ b/packages/vue-i18n/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-i18n",
-  "version": "9.2.0-beta.7",
+  "version": "9.2.0-beta.8",
   "description": "Internationalization plugin for Vue.js",
   "keywords": [
     "i18n",
@@ -35,13 +35,13 @@
   "jsdelivr": "dist/vue-i18n.global.js",
   "types": "dist/vue-i18n.d.ts",
   "dependencies": {
-    "@intlify/core-base": "9.2.0-beta.7",
-    "@intlify/shared": "9.2.0-beta.7",
-    "@intlify/vue-devtools": "9.2.0-beta.7",
+    "@intlify/core-base": "9.2.0-beta.8",
+    "@intlify/shared": "9.2.0-beta.8",
+    "@intlify/vue-devtools": "9.2.0-beta.8",
     "@vue/devtools-api": "^6.0.0-beta.13"
   },
   "devDependencies": {
-    "@intlify/devtools-if": "9.2.0-beta.7"
+    "@intlify/devtools-if": "9.2.0-beta.8"
   },
   "peerDependencies": {
     "vue": "^3.0.0"