Update changelog

Author: 255kb

content/releases/9.4.0.md

@@ -1,11 +1,11 @@
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 meta:
   title: Mockoon release v9.4.0
-  description: Discover Mockoon applications new v9.4.0 release with TODO
+  description: Discover Mockoon applications new v9.4.0 release with revamped OpenAPI import, improved cloud logs, new plural request helpers, and more.
 date: '2025-10-31'
 ---
 
-Welcome to this new release of Mockoon. It brings many improvements among which TODO.
+Welcome to this new release of Mockoon. It brings many improvements among which: revamped OpenAPI import, support for OpenAPI in the web application, improved cloud logs in the desktop application, new plural request helpers, and many more.
 Read on to learn more about this release.
 
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