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testing-library/react-testing-library

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Last release: 4 months ago

React Testing Library provides lightweight React DOM testing utilities built on top of react-dom and react-dom/test-utils, with guidance to write maintainable tests that focus on how components are used rather than implementation details. It includes helpers for rendering components and querying the DOM, suitable for testing React UI behavior.

Project status

  • The repository appears actively maintained, with recent tagged updates in the 16.3.x line (v16.3.0, v16.3.1, v16.3.2) and an upstream push dated 2026-04-02.
  • The apparent update cadence is moderate, with v16.3.0 in 2025-04-02, v16.3.1 in 2025-12-15 (about 8.5 months later), and v16.3.2 in 2026-01-19 (about 1 month later).

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Recent updates

  • v16.3.2

    4 months ago

    v16.3.2 ships a TypeScript type-only fix for React 19 compatibility around the RenderOptions.onCaughtError typing. The only functional change in the diff is in the generated type definitions, plus an accompanying adjustment to a TypeScript test.

  • v16.3.1

    5 months ago

    Release v16.3.1 is documented as a single bug fix related to switching release publishing to trusted publishing. The code diff confirms workflow changes for publishing, but it also includes several build and toolchain changes that are not mentioned in the release notes.

  • v16.3.0

    4/2/2025

    The v16.3.0 release notes only mention adding a new contributor, with no product changes described. However, the code diff shows new API surface and behavior around StrictMode handling during `render` and `renderHook`, plus React version bumps used by the project’s own dev/test tooling.

    Features

  • v16.2.0

    1/15/2025

    Release v16.2.0 adds support for React error handler callbacks via the `render` API, including forwarding `onCaughtError` and `onRecoverableError` to React 19 root options. The code diff also introduces an explicit runtime rejection for `onUncaughtError` and updates TypeScript types to reflect supported versus unsupported callbacks.

    BreakingFeatures

  • v16.1.0

    12/5/2024

    v16.1.0 adds support for React 19. The code changes primarily update the library’s TypeScript React type compatibility and adjust peer dependency ranges to allow React 19 in addition to React 18.

    Features

  • v16.0.1

    8/29/2024

    v16.0.1 primarily updates the TypeScript type definitions to better support the compiler option exactOptionalPropertyTypes. The code changes focus on making optional properties and function parameters explicitly compatible with exact optional semantics.

  • v16.0.0

    6/3/2024

    RTL v16.0.0 updates installation guidance and dependency metadata so that @testing-library/dom and @types/react-dom are treated as peers rather than bundled dependencies. This aims to reduce version conflicts (especially with @testing-library/user-event) by letting the consuming project control the versions.

    Breaking

  • v15.0.7

    5/7/2024

    v15.0.7 is a small TypeScript-focused bug fix that improves typing for the `act` export. It adjusts the conditional type used for `act` based on whether `React.act` is declared, aiming to prevent `act` from being inferred as `any`.

  • v15.0.6

    5/1/2024

    v15.0.6 primarily updates the exported React testing `act` to use the newer implementation when available. The release notes only mention this as a bug fix, but the code changes also adjust TypeScript typings and dependency metadata.

  • v15.0.5

    4/26/2024

    v15.0.5 is presented as a bug fix that relaxes how the `container` option is typed/handled when `hydrate` is used. The diff also shows additional, undocumented changes around TypeScript type definitions and React dependency versions used in the project.