jikime-framework-nextjs@15 - Next.js 15 Upgrade Guide and Migration Rules
Next.js 15 upgrade guide covering breaking changes from version 14 including async params, fetch caching changes, and Turbopack.
Tags
Updated: 2026-09-21Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Migrate projects from Next.js 14
- Convert route params to async promises
- Configure explicit fetch caching strategies
- Execute Next.js API codemods
- Migrate runtime configs to env variables
Inputs
- Next.js 14 project codebase
- Environment variables config
Outputs
- Migrated Next.js 15 codebase
- Updated package.json dependencies
Requirements
- Node.js 18.18 or higher
- React 19 RC