DOC-3150: Context forms used to disappear if their input were disabled in the onSetup API (#3644)

Author: abhinavgandham

modules/ROOT/pages/7.7.1-release-notes.adoc

@@ -65,6 +65,14 @@ Previously in {productname}, an issue was identified where skin content CSS was
 
 This issue has been resolved in {productname} {release-version}. The bundling process now correctly incorporates CSS styles into the generated JavaScript resources, preventing truncation and ensuring consistent styling across the editor UI.
 
+=== Context forms used to disappear if their input was disabled in the `onSetup` API.
+// #TINY-11890
+
+Previously, an issue was identified where disabling a context form's input in the `onSetup` function caused the form to disappear due to focus being set on a non-focusable element.
+
+In {productname} {release-version}, this issue has been resolved by ensuring that the fallback focus is directed to a focusable element. As a result, even when the input is disabled, the focus remains intact, preventing the context form from disappearing.
+
+For more information on the `onSetup` function and context forms, see xref:contextform.adoc[Context Forms]
 
 [[known-issues]]
 == Known issues