diff --git a/docs-releases/sidebars.ts b/docs-releases/sidebars.ts
index d1b9a1c77..e969be14f 100644
--- a/docs-releases/sidebars.ts
+++ b/docs-releases/sidebars.ts
@@ -1,7 +1,20 @@
 import type {SidebarsConfig} from '@docusaurus/plugin-content-docs';
+import {readdirSync} from 'node:fs';
+import {fileURLToPath} from 'node:url';
+import semver from 'semver';
+
+// Order release docs by descending semver precedence (newest on top). Built
+// explicitly here rather than via sidebar_position frontmatter so arbitrary
+// prereleases sort correctly and new release files are picked up automatically.
+const dir = fileURLToPath(new URL('.', import.meta.url));
+const releaseDocs = readdirSync(dir)
+  .filter((f) => f.endsWith('.md') && f !== 'index.md')
+  .map((f) => f.replace(/\.md$/, ''))
+  .filter((id) => semver.valid(id.replace(/^v/, '')))
+  .sort((a, b) => semver.rcompare(a, b));
 
 const sidebars: SidebarsConfig = {
-  releasesSidebar: [{type: 'autogenerated', dirName: '.'}],
+  releasesSidebar: ['index', ...releaseDocs],
 };
 
 export default sidebars;
diff --git a/scripts/sync-release-note.js b/scripts/sync-release-note.js
index 74d70cb84..8e8ec55b8 100644
--- a/scripts/sync-release-note.js
+++ b/scripts/sync-release-note.js
@@ -8,6 +8,7 @@ import {
 import { join } from "node:path";
 import { argv, env, exit } from "node:process";
 
+
 const flags = {};
 for (let i = 2; i < argv.length; i++) {
   const a = argv[i];
@@ -20,14 +21,6 @@ function slugify(s) {
   return String(s).replace(/[^A-Za-z0-9.+-]/g, "-");
 }
 
-// this puts the newest releases first
-function sidebarPos(t) {
-  const m = String(t).match(/^v?(\d+)\.(\d+)\.(\d+)/);
-  if (!m) return 0;
-  const [, maj, min, pat] = m.map(Number);
-  return -(maj * 1_000_000 + min * 1_000 + pat);
-}
-
 function escapeFrontmatter(s) {
   return String(s).replace(/"/g, '\\"');
 }
@@ -102,7 +95,6 @@ function buildMarkdown(r) {
     "---",
     `title: "${escapeFrontmatter(r.title)}"`,
     `sidebar_label: "${escapeFrontmatter(r.tag)}"`,
-    `sidebar_position: ${sidebarPos(r.tag)}`,
     `slug: /${slugify(r.tag)}`,
     r.publishedAt ? `date: ${r.publishedAt}` : null,
     "---",