Next.js 15 Is Here (Vercel Ship Breakdown)

Next.js 15 introduces new features such as the Forell firewall and rethought feature flags. It also includes improvements in caching, hydration errors, and create-next-app template. Turbo can be enabled for faster dev experience, and external package bundling can be optimized for better performance. Overall, Next.js 15 offers several enhancements and updates.