Upgrade Next.js 15 to 16: The EOL Checklist That Won’t Break Your Build (2026)
Next.js 15 hits end of life on October 21, 2026 — two days from now. After that date, your app will not stop running, but no scheduled critical bug fixes or security patches will ship for the 15.x line ever again. The next disclosed vulnerability gets fixed only in 16. So if you still run … Read more