diff --git a/crates/auto_update_ui/src/auto_update_ui.rs b/crates/auto_update_ui/src/auto_update_ui.rs
index bb300efac102172e8a36e32f06aea76f84aff0e3..6d3f90a2d5efe0ed46179277c3e2141001e03355 100644
--- a/crates/auto_update_ui/src/auto_update_ui.rs
+++ b/crates/auto_update_ui/src/auto_update_ui.rs
@@ -31,10 +31,6 @@ pub fn init(cx: &mut App) {
 
 #[derive(Deserialize)]
 struct ReleaseNotesBody {
-    #[expect(
-        unused,
-        reason = "This field was found to be unused with serde library bump; it's left as is due to insufficient context on PO's side, but it *may* be fine to remove"
-    )]
     title: String,
     release_notes: String,
 }
@@ -123,7 +119,7 @@ fn view_release_notes_locally(
                 buffer.edit([(0..0, body.release_notes)], None, cx)
             });
 
-            let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
+            let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx).with_title(body.title));
 
             let ws_handle = workspace.clone();
             workspace
diff --git a/crates/markdown_preview/src/markdown_preview_view.rs b/crates/markdown_preview/src/markdown_preview_view.rs
index b3e6f2a9be7486b645e726f75c185d505d1fcba6..9e504a0e660783333cf5f7682eabd571e7319c04 100644
--- a/crates/markdown_preview/src/markdown_preview_view.rs
+++ b/crates/markdown_preview/src/markdown_preview_view.rs
@@ -525,15 +525,10 @@ impl Item for MarkdownPreviewView {
     fn tab_content_text(&self, _detail: usize, cx: &App) -> SharedString {
         self.active_editor
             .as_ref()
-            .and_then(|editor_state| {
+            .map(|editor_state| {
                 let buffer = editor_state.editor.read(cx).buffer().read(cx);
-                let buffer = buffer.as_singleton()?;
-                let file = buffer.read(cx).file()?;
-                let local_file = file.as_local()?;
-                local_file
-                    .abs_path(cx)
-                    .file_name()
-                    .map(|name| format!("Preview {}", name.to_string_lossy()).into())
+                let title = buffer.title(cx);
+                format!("Preview {}", title).into()
             })
             .unwrap_or_else(|| SharedString::from("Markdown Preview"))
     }