Revalidated RSC for ISR page not updated in client-side NextJS cache

[joostmeijles]

Link to the code that reproduces this issue

https://github.com/joostmeijles/nextjs-rsc-revalidate-issue

To Reproduce

1. Go to https://nextjs-rsc-revalidate-issue.vercel.app/
2. Click on the "Go to /example" link
3. Observe that example?_rsc= is being fetched
4. Go in a 2nd browser tab to https://nextjs-rsc-revalidate-issue.vercel.app/revalidate to trigger a cache revalidate and a ISR re-render of the /example page
5. Go in a 3rd browser tab to https://nextjs-rsc-revalidate-issue.vercel.app/example and observe that the page is re-rendered with new content
6. Navigate back from the /example page to /7. Wait for 5 minutes (the client-side cache duration specified by https://nextjs.org/docs/app/deep-dive/caching#duration-3)
7. Navigate in the 1st browser tab to /example (by clicking the link)
8. Observe that NO new fetch is done for example?_rsc=

Current vs. Expected behavior

Current: example page is not refreshed after 5 minutes
Expected: example page is refreshed after 5 minutes

Provide environment information

Operating System:
  Platform: win32
  Arch: x64
  Version: Windows 11 Enterprise
  Available memory (MB): 32472
  Available CPU cores: 16
Binaries:
  Node: 22.13.1
  npm: 10.9.2
  Yarn: 1.22.19
  pnpm: 9.15.5
Relevant Packages:
  next: 15.4.0-canary.31 // Latest available version is detected (15.4.0-canary.31).
  eslint-config-next: N/A
  react: 19.1.0
  react-dom: 19.1.0
  typescript: 5.8.3
Next.js Config:
  output: N/A

Which area(s) are affected? (Select all that apply)

SWC, Not sure

Which stage(s) are affected? (Select all that apply)

next start (local), Vercel (Deployed)

Additional context

No response

[github-actions]

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