Docs: DOC-3355 - The user prompt background color was incorrect in the AI Chat dark mode (#4114)

Author: kemister85

modules/ROOT/pages/8.5.0-release-notes.adoc

@@ -62,6 +62,13 @@ The {productname} {release-version} release includes an accompanying release of
 
 **TinyMCE AI** includes the following fixes, improvements and additions.
 
+==== The user prompt background color was incorrect in the AI Chat dark mode
+// #TINY-14160
+
+Previously, the user prompt background color in the TinyMCE AI Chat panel was incorrect when using the dark skin. The low contrast between the text and background made prompts more difficult to read, reducing accessibility and usability of the AI Chat interface in dark mode.
+
+In {productname} {release-version}, the user prompt background color in the AI Chat panel has been corrected for the dark skin. The updated color provides proper contrast, improving readability and accessibility for dark mode users.
+
 ==== Tab could be used to move focus between segmented button options in the preview footer
 // #TINY-14161