Last-minute updates for release notes.

Security: CVE-2026-6472, CVE-2026-6473, CVE-2026-6474, CVE-2026-6475, CVE-2026-6476, CVE-2026-6477, CVE-2026-6478, CVE-2026-6479, CVE-2026-6575, CVE-2026-6637, CVE-2026-6638
(cherry picked from commit 878e171244f7c1280201a04aa420b78c4a2d08d3)

Author: tglsfdc