diff --git a/CHANGELOG.md b/CHANGELOG.md
index 764ca70829..a5f6f8c216 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,8 @@ Notes: web developers are advised to use [`~` (tilde range)](https://github.com/
 
 ## [Unreleased]
 
+## [4.18.0] - 2024-07-10
+
 ### Added
 
 -  (Experimental) Added initial decorators support, in PR [#5205](https://github.com/microsoft/BotFramework-WebChat/pull/5205), by [@OEvgeny](https://github.com/OEvgeny)
@@ -36,13 +38,13 @@ Notes: web developers are advised to use [`~` (tilde range)](https://github.com/
 -  Improved performance for `useActivityWithRenderer`, in PR [#5172](https://github.com/microsoft/BotFramework-WebChat/pull/5172), by [@OEvgeny](https://github.com/OEvgeny)
 -  Fixes [#5162](https://github.com/microsoft/BotFramework-WebChat/issues/5162). Improved performance for `useActivityTreeWithRenderer`, in PR [#5163](https://github.com/microsoft/BotFramework-WebChat/pull/5163), by [@compulim](https://github.com/compulim)
 -  Fixes [#5175](https://github.com/microsoft/BotFramework-WebChat/issues/5175). `PrecompiledGlobalize.js` is emitted instead of `.cjs`, by [@compulim](https://github.com/compulim) in PR [#5181](https://github.com/microsoft/BotFramework-WebChat/pull/5181)
--  Improved performance for `BasicTranscript`, in PR [5183](https://github.com/microsoft/BotFramework-WebChat/pull/5183), by [@OEvgeny](https://github.com/OEvgeny)
--  Fixed potential memory usage issues caused by `useActivitiesWithRenderer`, in PR [5183](https://github.com/microsoft/BotFramework-WebChat/pull/5183), by [@OEvgeny](https://github.com/OEvgeny)
--  Improved performance for `useMemoized`, in PR [5190](https://github.com/microsoft/BotFramework-WebChat/pull/5190), by [@OEvgeny](https://github.com/OEvgeny)
--  Fixed send box zoomed in when clicked on mobile Safari, in PR [5192](https://github.com/microsoft/BotFramework-WebChat/pull/5192), by [@OEvgeny](https://github.com/OEvgeny)
--  Added missing support for chat history scroll with keyboard when Fluent send box is focused, in PR [5191](https://github.com/microsoft/BotFramework-WebChat/pull/5191), by [@OEvgeny](https://github.com/OEvgeny)
--  Fixed DTMF command usage sent by telephone keypad, in PR [5198](https://github.com/microsoft/BotFramework-WebChat/pull/5198), by [@OEvgeny](https://github.com/OEvgeny)
--  Fixed decorator import in legacy CommonJS environments, in [5231](https://github.com/microsoft/BotFramework-WebChat/pull/5231), by [@OEvgeny](https://github.com/OEvgeny)
+-  Improved performance for `BasicTranscript`, in PR [#5183](https://github.com/microsoft/BotFramework-WebChat/pull/5183), by [@OEvgeny](https://github.com/OEvgeny)
+-  Fixed potential memory usage issues caused by `useActivitiesWithRenderer`, in PR [#5183](https://github.com/microsoft/BotFramework-WebChat/pull/5183), by [@OEvgeny](https://github.com/OEvgeny)
+-  Improved performance for `useMemoized`, in PR [#5190](https://github.com/microsoft/BotFramework-WebChat/pull/5190), by [@OEvgeny](https://github.com/OEvgeny)
+-  Fixed send box zoomed in when clicked on mobile Safari, in PR [#5192](https://github.com/microsoft/BotFramework-WebChat/pull/5192), by [@OEvgeny](https://github.com/OEvgeny)
+-  Added missing support for chat history scroll with keyboard when Fluent send box is focused, in PR [#5191](https://github.com/microsoft/BotFramework-WebChat/pull/5191), by [@OEvgeny](https://github.com/OEvgeny)
+-  Fixed DTMF command usage sent by telephone keypad, in PR [#5198](https://github.com/microsoft/BotFramework-WebChat/pull/5198), by [@OEvgeny](https://github.com/OEvgeny)
+-  Fixed decorator import in legacy CommonJS environments, in [#5231](https://github.com/microsoft/BotFramework-WebChat/pull/5231), by [@OEvgeny](https://github.com/OEvgeny)
 
 ### Changed
 
diff --git a/README.md b/README.md
index 8c52afd2df..9035372e48 100644
--- a/README.md
+++ b/README.md
@@ -23,12 +23,14 @@ Notes: web developers are advised to use [`~` (tilde range)](https://github.com/
 
 ## 4.18.0 notable changes
 
+In this release, we are focusing on performance improvements, including memory and load time optimizations.
+
+## 4.17.0 notable changes
+
 ### Support livestreaming response
 
 Bots can now livestream their responses. Before Bot Framework SDK support this feature, bot authors can follow the details in [this pull request](https://github.com/microsoft/BotFramework-WebChat/pull/5141) to construct the livestream responses.
 
-## 4.17.0 notable changes
-
 ### Debut of ES Modules
 
 Web Chat now exports as ES Modules (named exports) along with CommonJS (named and unnamed exports).
diff --git a/package-lock.json b/package-lock.json
index 0bc3e08828..b76131b346 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "botframework-webchat-root",
-  "version": "4.17.1-0",
+  "version": "4.18.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "botframework-webchat-root",
-      "version": "4.17.1-0",
+      "version": "4.18.0",
       "license": "MIT",
       "dependencies": {
         "react": "16.8.6",
diff --git a/package.json b/package.json
index e27c37c1d5..570303c3fc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "botframework-webchat-root",
-  "version": "4.17.1-0",
+  "version": "4.18.0",
   "private": true,
   "files": [
     "lib/**/*"