nextjs - 💡(How to fix) Fix Docs: Chapter 10 learning course Partial Prerendering should be updated in accordance with cacheComponents from Next.js v16. [4 comments, 4 participants]

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vercel/next.js#85635Fetched 2026-04-08 02:14:48
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What is the documentation issue?

The current App Router learning course (Chapter 10 — Partial Prerendering) provides a use case focused on the experimental PPR feature.

However, there’s no similar guidance or example showing how to use the new Cache Components — which are now a key part of the data caching and rendering model in Next.js 16+.

It would be great to have a dedicated section (or an update to the PPR chapter) that explains:

when to use Cache Components instead of fetch caching;

how Cache Components interact with PPR and streaming;

best practices and limitations.

Is there any context that might help us understand?

I’d like to contribute or help write a use case example for Cache Components, but before doing so, I’d like to understand the authors’ intended direction — how they see Cache Components fitting into the overall rendering and caching model (Static, Dynamic, and PPR).

Essentially, this feels like an important concept that should come directly from the core team, to ensure consistency with the new mental model introduced in the PPR documentation.

Does the docs page already exist? Please link to it.

https://nextjs.org/learn/dashboard-app/partial-prerendering

extent analysis

TL;DR

The documentation for Next.js 16+ should be updated to include guidance on using Cache Components, particularly in relation to Partial Prerendering (PPR) and data caching.

Guidance

  • Review the existing documentation for App Router learning course (Chapter 10 — Partial Prerendering) to understand the current use case for PPR.
  • Consider creating a new section or updating the PPR chapter to include information on Cache Components, such as when to use them instead of fetch caching, how they interact with PPR and streaming, and best practices.
  • Reach out to the core team to clarify their intended direction for Cache Components and ensure consistency with the new mental model introduced in the PPR documentation.
  • Contribute a use case example for Cache Components, once the core team's direction is understood.

Notes

The lack of documentation on Cache Components may lead to confusion among developers, and updating the documentation will help to provide clarity on their usage.

Recommendation

Apply workaround: Contribute to the documentation by creating a new section or updating the existing PPR chapter, while awaiting clarification from the core team on their intended direction for Cache Components.

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