Josh Comeau 3/2/2020

The Perils of Hydration

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This article details a developer's investigation into a strange React rendering bug that only appeared in production. It explains the common misunderstanding of how hydration works in server-side rendering (SSR) with frameworks like Next.js, analyzes problematic code patterns that cause mismatches, and proposes a solution involving two-pass rendering to fix the issue.

The Perils of Hydration

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