Upcoming releases render as a grid of per-release cards

README.md

@@ -260,12 +260,14 @@ in three kinds:
 - `severity` is notice-only: `urgent`/`heads-up`/`info` tints the card edge, the
   chip, and the icon on Home. Setting it on a live widget is a validation error
   (live rows have no severity to sort by).
-- Home renders one merged calendar card (every `calendar` widget, sorted by
-  date), one card per `recent` widget, then notices - urgent first, then heads-up
-  then info, each group in creation order. The next upcoming release that carries
-  artwork gets a full-width hero tile above the timeline (its relayed thumb plus
-  title and date); the timeline row keeps its own small thumb. Each widget also
-  gets its own sidebar button for a single-card view.
+- Home renders one merged release group (every `calendar` widget, ascending by
+  date) and one group per `recent` widget (newest first) - each group is a header
+  (title, refresh stamp, per-widget errors) followed by one card per release,
+  laid out as a wrapping grid - then notices, urgent first, then heads-up then
+  info, each group in creation order. The next upcoming release that carries
+  artwork also gets a full-width hero tile above the groups (its relayed thumb
+  plus title and date). Each widget gets its own sidebar button for a
+  single-widget view.
 - Writes are admin-only when OIDC is on, reads any session - same gate as
   services.