Add note to dynamic callback test and changelog entry.

Author: T4rk1n

CHANGELOG.md

@@ -15,6 +15,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## Added
 
 - [#2649](https://github.com/plotly/dash/pull/2649) Add `_allow_dynamic_callbacks`, register new callbacks inside other callbacks.
+  **WARNING: dynamic callback creation can be dangerous, use at you own risk. It is not intended for use in a production app, multi-user or multiprocess use as it only works for a single user.**
 
 ## [2.13.0] 2023-08-28
 ## Changed

tests/integration/callbacks/test_dynamic_callback.py

@@ -1,6 +1,9 @@
 from dash import html, Dash, Input, Output
 
 
+# WARNING: dynamic callback creation can be dangerous, use at you own risk.
+# It is not intended for use in a production app, multi-user
+# or multiprocess use as it only works for a single user.
 def test_dync001_dynamic_callback(dash_duo):
     app = Dash()