Updates to Activity docs #7884
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Updates to Activity docs #7884
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Size changes📦 Next.js Bundle Analysis for react-devThis analysis was generated by the Next.js Bundle Analysis action. 🤖 This PR introduced no changes to the JavaScript bundle! 🙌 |
- New intro at top of Reference - Adds "Deferring hydration of low-priority content" section - Move "Preventing hidden content from having unwanted side effects" section to Troubleshooting - Removes SSR section from Troubleshooting
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| When an `<Activity>` is "hidden", all its children's Effects are cleaned up. Conceptually, the children are unmounted, but React saves their state for later. This is a feature of Activity because it means subscriptions won't be active for hidden parts of the UI, reducing the amount of work needed for hidden content. | ||
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| ### My hidden Activity is not rendered in SSR {/*my-hidden-activity-is-not-rendered-in-ssr*/} |
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What happened to this section? We should include something (maybe Usage and Troubleshooting) that explains Activity hidden isn't SSR'd
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Andrew said it was no longer true! He said it SSRs now
gnoff
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Aug 8, 2025
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