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This is documentation for React Native 0.84, which is no longer in active development.

For up-to-date documentation, see the latest version (0.85).

Version: 0.84

PerformanceMark

The global PerformanceMark class, as defined in Web specifications.

Edit page for next release Edit page for 0.84 release

Last updated on Feb 20, 2026

PerformanceLongTaskTiming

PerformanceMeasure

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