Successfully upgraded the project from Next.js 15 to Next.js 16 stable release
with all related dependencies and configuration updates.
## Package Upgrades
- Next.js: 15.4.6 → 16.0.3
- React: 19.1.0 → 19.2.0
- React DOM: 19.1.0 → 19.2.0
- @types/react: 19.2.2 → 19.2.5
- @types/react-dom: 19.2.2 → 19.2.3
- eslint-config-next: 15.4.6 → 16.0.3
## Configuration Changes
- Removed --turbopack flag from dev script (now default in Next.js 16)
- Updated lint script from 'next lint' to 'eslint .' for better compatibility
- Migrated ESLint config from FlatCompat to native flat config format
- Removed @eslint/eslintrc dependency (no longer needed)
- Added pnpm overrides for React type definitions
## ESLint Configuration
- Converted from FlatCompat compatibility layer to direct import
- Now using eslint-config-next/core-web-vitals directly
- Added ignores for .next, node_modules, .cache, dist, and build directories
- Simplified configuration structure for better maintainability
## TypeScript Configuration
- Auto-updated by Next.js 16 build process
- Changed jsx from 'preserve' to 'react-jsx' (React automatic runtime)
- Added '.next/dev/types/**/*.ts' to include paths
## MCP Configuration
- Removed unused context7 MCP server configuration
- Updated next-devtools command to use direct npx instead of cmd wrapper
## Verification
- Build: ✅ Successful (compiled in 2.8s with Turbopack)
- Lint: ✅ No errors or warnings
- TypeScript: ✅ Type checking passed
- Browser: ✅ App loads and runs correctly
This upgrade brings all the latest Next.js 16 features and improvements
including Turbopack as the default bundler, improved build performance,
and enhanced developer experience.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
