Blindly hope that sorting the RSS feed differently works

src/pages/rss.xml.js

@@ -1,7 +1,13 @@
 import rss from "@astrojs/rss";
 import { SITE_TITLE, SITE_DESCRIPTION } from "../config";
 
-const posts = Object.values(import.meta.glob("../posts/*.md", { eager: true }));
+let posts = Object.values(import.meta.glob("../posts/*.md", { eager: true }));
+
+posts = posts.sort(
+	(a, b) =>
+		new Date(b.frontmatter.updated || b.frontmatter.added).valueOf() -
+		new Date(a.frontmatter.updated || a.frontmatter.added).valueOf()
+);
 
 export const get = () =>
 	rss({
@@ -13,7 +19,11 @@ export const get = () =>
 				link: `/post/${post.frontmatter.slug}`,
 				title: post.frontmatter.title,
 				pubDate: post.frontmatter.added,
+				description: post.frontmatter.description,
 				content: post.compiledContent(),
+				customData: {
+					updated: post.frontmatter?.updated,
+				},
 			};
 		}),
 	});