React / update detail

17.0.0 (October 20, 2020)

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React·6 years ago · Oct 20, 2020, 08:45 PMDeprecationMay break your integrationAI-assisted summary

Summary

Release React 17 with new JSX transform via react/jsx-runtime and updated event handling (delegation, removal of pooling, focusin/out usage).
Strict Mode now double‑renders components (including those without hooks) and runs effect clean‑ups asynchronously, with added warnings for undefined forwardRef/memo returns.
Adds experimental APIs (unstable prefixes) and deprecates ReactTestUtils.SimulateNative; many bug fixes across DOM, server, and concurrent features.

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related updates

React·1 month agoFix

Summary

Fixed missing FormData entries in Server Actions for React Server Components.