Next.js 15 Is End of Life: Upgrade to 16 Now?
Next.js 15.x (released 21 Oct 2024) leaves Maintenance LTS on 21 Oct 2026 per nextjs.org/support-policy. Active LTS is 16.x. Points to September 2026 patches 16.3.8 / 15.5.27. No exploit steps; nothing tested; no affiliate.