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npm / react-native-url-polyfill

react-native-url-polyfill

What changed in react-native-url-polyfill 4, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-18.

1 breaking1 new APIs and options1 performance

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react-native-url-polyfill 43 changes

Breaking changes 1

  • The purpose-built implementation has stronger standards compliance; applications relying on undocumented quirks of the previous implementation should verify their URL handling.

    4.0.0release notes

New APIs and options 1

  • Adds URL.parse(), which returns a parsed URL or null when the input is invalid.

    4.0.0release notes

Performance 1

  • The polyfill is substantially smaller and faster on Hermes, reducing added bundle size by 65.1% compared with v3.0.0.

    4.0.0release notes