diff --git a/scripts/render-github-release-notes.mjs b/scripts/render-github-release-notes.mjs
index 85f25bd019bc..71736f035063 100644
--- a/scripts/render-github-release-notes.mjs
+++ b/scripts/render-github-release-notes.mjs
@@ -230,7 +230,27 @@ function compactReleaseNotes(section, repository, tag) {
   ].join("\n");
 }
 
+export function dedicatedSectionVersionForTag(tag) {
+  // Correction (vX-N) and alpha tags may carry their own exact changelog
+  // heading; beta and stable bodies must come from the stable base section.
+  const taggedVersion = tag.replace(/^v/u, "");
+  if (/-beta\.[1-9][0-9]*$/u.test(taggedVersion)) {
+    return undefined;
+  }
+  return /-(?:alpha\.)?[1-9][0-9]*$/u.test(taggedVersion) ? taggedVersion : undefined;
+}
+
 export function releaseNotesSectionForTag(changelog, version, tag) {
+  // Alpha and correction tags prefer their own exact heading when the
+  // changelog carries one; otherwise they fall back to the base version.
+  const dedicatedVersion = dedicatedSectionVersionForTag(tag);
+  if (dedicatedVersion && dedicatedVersion !== version) {
+    try {
+      return extractChangelogSection(changelog, dedicatedVersion);
+    } catch {
+      // No dedicated section; use the base version below.
+    }
+  }
   try {
     return extractChangelogSection(changelog, version);
   } catch (error) {
diff --git a/test/scripts/render-github-release-notes.test.ts b/test/scripts/render-github-release-notes.test.ts
index 77100a5ac351..b1fedebdd01c 100644
--- a/test/scripts/render-github-release-notes.test.ts
+++ b/test/scripts/render-github-release-notes.test.ts
@@ -214,6 +214,33 @@ describe("GitHub release-note rendering", () => {
     ).toThrow("cannot be compacted without a complete contribution record");
   });
 
+  it("prefers an alpha tag's exact changelog heading over the Unreleased fallback", () => {
+    // Shipped alpha tags carry their own heading with no base section,
+    // matching the tagged CHANGELOG.md shape of v2026.6.20-alpha.1.
+    const changelog = [
+      "# Changelog",
+      "",
+      "## 2026.7.1-alpha.2",
+      "",
+      "- Alpha-only fix.",
+      "",
+      "## 2026.6.11",
+      "",
+      "- Previous release.",
+      "",
+    ].join("\n");
+    const rendered = renderGithubReleaseNotes({
+      changelog,
+      version,
+      tag: "v2026.7.1-alpha.2",
+      repository,
+    });
+
+    expect(rendered.body).toContain("## 2026.7.1-alpha.2");
+    expect(rendered.body).toContain("Alpha-only fix.");
+    expect(rendered.body).not.toContain("Previous release.");
+  });
+
   it("permits the Unreleased fallback only for alpha tags", () => {
     const changelog = changelogFor("- **PR #123** fix: example.").replace(
       "## 2026.7.1",