UI: show messages and progress in topbar when status bar is collapsed.

release/scripts/startup/bl_ui/space_topbar.py

@@ -64,8 +64,14 @@ class TOPBAR_HT_upper_bar(Header):
         layout = self.layout
 
         window = context.window
+        screen = context.screen
         scene = window.scene
 
+        # If statusbar is hidden, still show messages at the top
+        if not screen.show_statusbar:
+            layout.template_reports_banner()
+            layout.template_running_jobs()
+
         # Active workspace view-layer is retrieved through window, not through workspace.
         layout.template_ID(window, "scene", new="scene.new", unlink="scene.delete")
 

source/blender/editors/space_topbar/space_topbar.c

@@ -180,6 +180,14 @@ static void topbar_header_listener(wmWindow *UNUSED(win), ScrArea *UNUSED(sa), A
 {
 	/* context changes */
 	switch (wmn->category) {
+		case NC_WM:
+			if (wmn->data == ND_JOB)
+				ED_region_tag_redraw(ar);
+			break;
+		case NC_SPACE:
+			if (wmn->data == ND_SPACE_INFO)
+				ED_region_tag_redraw(ar);
+			break;
 		case NC_SCREEN:
 			if (wmn->data == ND_LAYER)
 				ED_region_tag_redraw(ar);