npm / @testing-library/dom

@testing-library/dom

What changed in @testing-library/dom 8 to 10, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-23.

13 breaking1 behavior and defaults1 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

@testing-library/dom 103 changes

The updated aria-query version changes various roles, which may affect role-based queries.
10.0.0release notes
Node.js 18.0 is now the minimum supported version; support for Node.js 14.x and 16.x is dropped, and Node.js 20.x is supported.
10.0.0release notes

Error messages are now set with defineProperty on the error object instead of being assigned directly.
10.0.0release notes

The collapseWhitespace option is no longer supported.
9.0.0release notes
The exact option is no longer supported.
9.0.0release notes
The normalizer option is no longer supported.
9.0.0release notes
The role argument only accepts strings.
9.0.0release notes
The trim option is no longer supported.
9.0.0release notes
The minimum supported Node.js version is now 14.x; Node.js 12.x is no longer supported.
9.0.0release notes

Node 10 is no longer supported.
8.0.0release notes
prettyDOM now ignores <script />, <style /> and comment nodes by default; provide a custom filterNode function to return to the old behavior.
8.0.0release notes
The timeout now uses the same clock as interval, which may be mocked out; use Number.POSITIVE_INFINITY for the old behavior and rely on the test runner to timeout using real timers.
8.0.0release notes
The deprecated waitForElement API was removed.
8.0.0release notes
The deprecated waitFormDOMChange API was removed.
8.0.0release notes