diff --git a/.github/workflows/test-multi-version.yml b/.github/workflows/test-multi-version.yml
index 7b4da71..f675cc4 100644
--- a/.github/workflows/test-multi-version.yml
+++ b/.github/workflows/test-multi-version.yml
@@ -12,6 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        node-version: ${{ github.event_name == 'pull_request' && fromJSON('["22"]') || fromJSON('["16", "18", "20", "22", "24"]') }}
         rabbitmq-version:
           - "3.9-management"
           - "3.10-management"
@@ -20,16 +21,18 @@ jobs:
           - "3.13-management"
           - "4.0-management"
           - "4.1-management"
-    
-    name: Test RabbitMQ ${{ matrix.rabbitmq-version }}
-    
+          - "4.2-management"
+          - "4.3-management"
+
+    name: Node ${{ matrix.node-version }} · RabbitMQ ${{ matrix.rabbitmq-version }}
+
     steps:
       - uses: actions/checkout@v4
 
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '22'
+          node-version: ${{ matrix.node-version }}
 
       - name: Install dependencies
         run: npm install
diff --git a/README.md b/README.md
index 997d369..4dc5097 100644
--- a/README.md
+++ b/README.md
@@ -263,6 +263,7 @@ This is the hook you want when you're piping logs into Winston, Bunyan, Datadog,
 | `url` | `string` | — | The URL of the RabbitMQ server. |
 | `reconnectDelay` | `number` | `5000` | Delay in milliseconds before attempting to reconnect after a disconnection. |
 | `maxReconnectAttempts` | `number` | `5` | Maximum number of reconnection attempts. |
+| `usePublisherConfirms` | `boolean` | `true` | Enable RabbitMQ publisher confirms on the user publish channel. When `true`, `publish()` resolves only after the broker acks the message and rejects on broker error. Set to `false` for fire-and-forget publishing. _Available in 2.x._ |
 | `management` | `ManagementConfiguration` | — | RabbitMQ management API configuration. |
 
 ---