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The 6 Major Changes in React v17.0

Chris Lojniewski
By Chris Lojniewski
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Get a summary of this article in:
  • React will no longer support event handlers at the document level
  • Changes in the event system
  • Event pooling is removed
  • Using cleanup for effects
  • Errors were attached for returning ‘undefined’
  • Methods of removing private exports

 

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Chris Lojniewski
Chris Lojniewski
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Chris is the CEO of Pagepro, a software house focused on building scalable, high-performance web applications using Next.js and modern headless architectures. Pagepro helps companies move beyond monolithic systems by implementing composable, API-driven platforms that improve performance, flexibility, and long-term maintainability. Chris is a v0 ambassador (https://v0.app/@klojniewski ) and actively explores how AI-assisted development and modern tooling can reduce development friction. His focus is not just on technology choices, but on optimizing delivery processes, architecture decisions, and product scalability.

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