DOC-3147: Strikethrough format could be added outside font size format, which renders incorrectly in some browsers. (#3778)

* DOC-3147: Strikethrough format could be added outside font size format, which renders incorrectly in some browsers.

* Update modules/ROOT/pages/8.0-release-notes.adoc

Co-authored-by: CODE:AG <[email protected]>

---------

Co-authored-by: CODE:AG <[email protected]>

Author: kemister85

modules/ROOT/pages/8.0-release-notes.adoc

@@ -227,6 +227,13 @@ Previously, deleting a complete HTML element using the "Source Code" editor eith
 
 This issue has been resolved in {productname} {release-version} by improving how element deletions are handled within the editor's DOM logic. Cutting or deleting a selected element now preserves the integrity and tag type of adjacent elements. Users can expect consistent and predictable editing behavior when modifying HTML source content.
 
+=== Strikethrough format could be added outside font size format, which renders incorrectly in some browsers.
+// #TINY-12004
+
+Previously, there was an issue where combining strikethrough (`s` element) and font size formatting could lead to incorrect rendering in some browsers, particularly Chrome. This occurred when the `s` (strikethrough) element was placed outside a font size `span`, causing the strikethrough line to render incorrectly.
+
+The fix ensures that the `s` element is now properly nested inside the font size element, improving visual consistency across browsers.
+
 
 [[security-fixes]]
 == Security fixes