minor docs updates (#4821)

Author: pdabelf5

docs/content/installation/installing-nic/installation-with-operator.md

@@ -17,7 +17,7 @@ h2 {
 </style>
 
 {{< note >}}
-NGINX Ingress Operator isn't compatible with NGINX Ingress Controller 3.2.0 at this time.  We'll update this guide and remove this note when we release a compatible version.
+NGINX Ingress Operator isn't compatible with NGINX Ingress Controller 3.4.0 at this time.  We'll update this guide and remove this note when we release a compatible version.
 {{< /note >}}
 
 ## Before you start

docs/content/releases.md

@@ -8,7 +8,7 @@ docs: "DOCS-616"
 ---
 ## 3.4.0
 
-%%RELEASE_DATE%%
+19 Dec 2023
 
 The default_server listeners for ports 80 and 443 can now be fully customized giving you the flexibility to shift the HTTP and HTTPS default listeners to other ports as your needs require.