diff --git a/CHANGELOG.md b/CHANGELOG.md
index fbe341e5..d46a4aa3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,15 @@
 # Release Notes
 
-## [Unreleased](https://github.com/laravel/echo/compare/v2.1.0...2.x)
+## [Unreleased](https://github.com/laravel/echo/compare/v2.1.1...2.x)
+
+## [v2.1.1](https://github.com/laravel/echo/compare/v2.1.0...v2.1.1) - 2025-05-13
+
+### What's Changed
+
+* Fix Ably cluster error by [@joetannenbaum](https://github.com/joetannenbaum) in https://github.com/laravel/echo/pull/429
+* Make events and listeners optional by [@joetannenbaum](https://github.com/joetannenbaum) in https://github.com/laravel/echo/pull/430
+
+**Full Changelog**: https://github.com/laravel/echo/compare/v2.1.0...v2.1.1
 
 ## [v2.1.0](https://github.com/laravel/echo/compare/v2.0.2...v2.1.0) - 2025-05-07
 
diff --git a/packages/laravel-echo/package.json b/packages/laravel-echo/package.json
index e90a9dab..e20582dc 100644
--- a/packages/laravel-echo/package.json
+++ b/packages/laravel-echo/package.json
@@ -1,6 +1,6 @@
 {
     "name": "laravel-echo",
-    "version": "2.1.2",
+    "version": "2.1.3",
     "description": "Laravel Echo library for beautiful Pusher and Socket.IO integration",
     "keywords": [
         "laravel",
diff --git a/packages/react/package.json b/packages/react/package.json
index d800bef2..d157b30e 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@laravel/echo-react",
-    "version": "2.1.2",
+    "version": "2.1.3",
     "description": "React hooks for seamless integration with Laravel Echo.",
     "keywords": [
         "laravel",
diff --git a/packages/react/src/config/index.ts b/packages/react/src/config/index.ts
index 4776d74b..6c3e66be 100644
--- a/packages/react/src/config/index.ts
+++ b/packages/react/src/config/index.ts
@@ -34,7 +34,7 @@ export const configureEcho = <T extends BroadcastDriver>(
     const defaults: ConfigDefaults<BroadcastDriver> = {
         reverb: {
             broadcaster: "reverb",
-            key: import.meta.env.VITE_REVERB_KEY,
+            key: import.meta.env.VITE_REVERB_APP_KEY,
             wsHost: import.meta.env.VITE_REVERB_HOST,
             wsPort: import.meta.env.VITE_REVERB_PORT,
             wssPort: import.meta.env.VITE_REVERB_PORT,
diff --git a/packages/react/src/vite-env.d.ts b/packages/react/src/vite-env.d.ts
index 4fb35ce4..a1968545 100644
--- a/packages/react/src/vite-env.d.ts
+++ b/packages/react/src/vite-env.d.ts
@@ -7,7 +7,7 @@ interface ImportMetaEnv {
     readonly VITE_PUSHER_PORT: number;
 
     readonly VITE_REVERB_HOST: string;
-    readonly VITE_REVERB_KEY: string;
+    readonly VITE_REVERB_APP_KEY: string;
     readonly VITE_REVERB_PORT: number;
     readonly VITE_REVERB_SCHEME: string;
 
diff --git a/packages/react/vite.config.ts b/packages/react/vite.config.ts
index 1c648dcc..343dcdbf 100644
--- a/packages/react/vite.config.ts
+++ b/packages/react/vite.config.ts
@@ -42,8 +42,8 @@ const config: UserConfig = (() => {
             }),
         ],
         define: {
-            "import.meta.env.VITE_REVERB_KEY":
-                "import.meta.env.VITE_REVERB_KEY",
+            "import.meta.env.VITE_REVERB_APP_KEY":
+                "import.meta.env.VITE_REVERB_APP_KEY",
             "import.meta.env.VITE_REVERB_HOST":
                 "import.meta.env.VITE_REVERB_HOST",
             "import.meta.env.VITE_REVERB_PORT":
diff --git a/packages/vue/package.json b/packages/vue/package.json
index 4ff95078..b12b2a31 100644
--- a/packages/vue/package.json
+++ b/packages/vue/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@laravel/echo-vue",
-    "version": "2.1.2",
+    "version": "2.1.3",
     "description": "Vue hooks for seamless integration with Laravel Echo.",
     "keywords": [
         "laravel",
diff --git a/packages/vue/src/config/index.ts b/packages/vue/src/config/index.ts
index 9f32a544..1d8286e2 100644
--- a/packages/vue/src/config/index.ts
+++ b/packages/vue/src/config/index.ts
@@ -34,7 +34,7 @@ export const configureEcho = <T extends BroadcastDriver>(
     const defaults: ConfigDefaults<BroadcastDriver> = {
         reverb: {
             broadcaster: "reverb",
-            key: import.meta.env.VITE_REVERB_KEY,
+            key: import.meta.env.VITE_REVERB_APP_KEY,
             wsHost: import.meta.env.VITE_REVERB_HOST,
             wsPort: import.meta.env.VITE_REVERB_PORT,
             wssPort: import.meta.env.VITE_REVERB_PORT,
diff --git a/packages/vue/src/vite-env.d.ts b/packages/vue/src/vite-env.d.ts
index 4fb35ce4..a1968545 100644
--- a/packages/vue/src/vite-env.d.ts
+++ b/packages/vue/src/vite-env.d.ts
@@ -7,7 +7,7 @@ interface ImportMetaEnv {
     readonly VITE_PUSHER_PORT: number;
 
     readonly VITE_REVERB_HOST: string;
-    readonly VITE_REVERB_KEY: string;
+    readonly VITE_REVERB_APP_KEY: string;
     readonly VITE_REVERB_PORT: number;
     readonly VITE_REVERB_SCHEME: string;
 
diff --git a/packages/vue/vite.config.ts b/packages/vue/vite.config.ts
index 06f808c3..00f4d5cf 100644
--- a/packages/vue/vite.config.ts
+++ b/packages/vue/vite.config.ts
@@ -42,8 +42,8 @@ const config: UserConfig = (() => {
             }),
         ],
         define: {
-            "import.meta.env.VITE_REVERB_KEY":
-                "import.meta.env.VITE_REVERB_KEY",
+            "import.meta.env.VITE_REVERB_APP_KEY":
+                "import.meta.env.VITE_REVERB_APP_KEY",
             "import.meta.env.VITE_REVERB_HOST":
                 "import.meta.env.VITE_REVERB_HOST",
             "import.meta.env.VITE_REVERB_PORT":