Strict Mode Behaviors in React 18

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Sam and Ryan talk about the motivation behind the changes to Strict Mode in React 18, and in particular why React simulates an immediate unmount and remount by re-running component effects. They also talk about the tradeoff between database consistency and speed.

Sam and Ryan talk about the motivation behind the changes to Strict Mode in React 18, and in particular why React simulates an immediate unmount and remount by re-running component effects. They also talk about the tradeoff between database consistency and speed.

Topics include:

  • 0:00 - Intro
  • 1:12 - The tradeoff between data that’s fast but stale, vs. data that’s slow but consistent
  • 11:55 - Strict mode in React 18, the proposed Offscreen API, and the implications for internal vs. external state in Concurrent React

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