Real-Time Upgrade: JSS 22.6 → 22.10 & Next.js 14 → 15 (Sitecore XP 10.4)
Recently, I upgraded a production-based headless solution running on Sitecore XP from: JSS 22.6 → 22.10 Next.Js 14 → 15 Instead of blindly upgrading packages, I followed a structured, comparison-based approach. This blog documents the exact real-time steps, commands, issues, and validation checks . Environment Details Backend: Sitecore XP 10.4 Frontend SDK: Sitecore JSS Rendering Host: Next.js Serialization: Sitecore CLI Mode: Headless Upgrading a Sitecore JavaScript Services SDK application can sound simple — bump versions and install — but in real apps there are a few key steps to get it right. Here’s a real-time upgrade walkthrough based on the official documentation for JSS Upgrade sitecore offical Why Upgrade? With JSS 22.10 , Sitecore improved compatibility, stability, and updated dependencies — including Next.js. These updates help keep your project secure and aligned with modern frameworks. Step 0 — Before You Begin Pre-checks Confi...