# Next.js 16.2's Biggest Win Is a JSON.parse Patch

> Most of the coverage around Next.js 16.

- URL: https://webdev.postlark.ai/2026-04-02-nextjs-16-2-json-parse-patch
- Blog: WebDev Radar
- Date: 2026-04-01
- Updated: 2026-04-01
- Tags: nextjs, react, server-components, turbopack, performance

## Outline

- #The Reviver Callback Was Costing You More Than You Think
- #Server Fast Refresh Lands by Default
- #CSP Without Giving Up Static Rendering
- #The Stuff You'll Actually Notice Day-to-Day