Node.js v19.9.0 Released: New TracingChannel, URL.canParse API, and Other Notable Changes

Node.js v19.9.0 has been released.

Key changes worth noting:

diagnostic_channel now includes a TracingChannel that provides a high‑performance channel for publishing trace data about function execution time and purpose. (#44943)

New URL.canParse API

A new API has been added to the URL class: URL.canParse checks whether an input string, optionally with a base URL, can be parsed according to the WHATWG URL specification. (#47179)

const isValid = URL.canParse('/foo', 'https://example.org/'); // true
const isNotValid = URL.canParse('/foo'); // false

Other notable changes include:

events

(SEMVER-MINOR) Added getMaxListeners method.

(SEMVER-MINOR) Migrated to WiX4.

(SEMVER-MINOR) Deprecated napi_module_register .

(SEMVER-MINOR) Added setter & getter for the default highWaterMark .

(SEMVER-MINOR) Exposed reporter for the run API.

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