Update CHANGELOG with info from 3.2.1 release

Author: tleonhardt

CHANGELOG.md

@@ -68,6 +68,14 @@ shell, and the option for a persistent bottom bar that can display realtime stat
         - **max_column_completion_results**: (int) the maximum number of completion results to
           display in a single column
 
+## 3.2.1 (February 21, 2026)
+
+- Bug Fixes
+    - The `async_alert` and `async_prompt_update` methods of `cmd2.Cmd` now respect the current
+      value of the `allow_style` settable
+        - If `allow_style` is `NEVER`, all style-related ANSI escape codes will be stripped to
+          ensure plain text output
+
 ## 3.2.0 (February 5, 2026)
 
 - Bug Fixes