puppeteer-core-v25.12.0

Name: helium
Author: mherrmann

mherrmann/heliumpuppeteer-core-v25.12.0Sep 23, 2026by browser-automation-bot

Upgrading?

What changed from puppeteer-v25.12.0 → puppeteer-core-v25.12.0?What's new in browsers-v3.2.3 after puppeteer-core-v25.12.0?

AI Summary

This release rolls the browser versions to Chrome 154 and Firefox 156, alongside several bug fixes for the launcher, mouse interactions, and accessibility tree serialization.

Key Highlights

Rolling to Chrome 154.0.8037.57 and Firefox 156.0.
Launcher cleanup: Temporary profiles are now cleaned up on process exit.
Fix for mouse button release when drag or drop fails.
Fix for shadow host in SerializedAXNode.elementHandle.

New Features

Chrome 154.0.8037.57 support.
Firefox 156.0 support.
Firefox 156.0.1 support.

Full Release Notes

## [25.12.0](https://github.com/puppeteer/puppeteer/compare/puppeteer-core-v25.11.0...puppeteer-core-v25.12.0) (2026-09-23)


### 🎉 Features

* roll to Chrome 154.0.8037.57 ([#15484](https://github.com/puppeteer/puppeteer/issues/15484)) ([00eec77](https://github.com/puppeteer/puppeteer/commit/00eec77b9d1ebd4edb29ff9a247b5a8b7edea7a1))
* roll to Firefox 156.0 ([#15464](https://github.com/puppeteer/puppeteer/issues/15464)) ([abdc078](https://github.com/puppeteer/puppeteer/commit/abdc0785df19f5f4a7e935d0eb4757cf260758ab))


### 🛠️ Fixes

* **launcher:** clean temporary profiles on process exit ([#15441](https://github.com/puppeteer/puppeteer/issues/15441)) ([b30d91c](https://github.com/puppeteer/puppeteer/commit/b30d91c79c14b3709dba390ab9d9764fad67de92))
* release the mouse button when a drag or drop fails ([#15231](https://github.com/puppeteer/puppeteer/issues/15231)) ([469621f](https://github.com/puppeteer/puppeteer/commit/469621f50a4927e0139d2e436cc143c441fa523b))
* return the shadow host for a text node in a shadow root in SerializedAXNode.elementHandle ([#15451](https://github.com/puppeteer/puppeteer/issues/15451)) ([101c7d5](https://github.com/puppeteer/puppeteer/commit/101c7d501555072510b4f2df00c549617b515c57))
* roll to Chrome 153.0.8010.47 ([#15465](https://github.com/puppeteer/puppeteer/issues/15465)) ([1ce3a9a](https://github.com/puppeteer/puppeteer/commit/1ce3a9a65ba8dbaf47925bbcf9e8f73369d75a9d))
* roll to Chrome 153.0.8010.52 ([#15470](https://github.com/puppeteer/puppeteer/issues/15470)) ([257a6a1](https://github.com/puppeteer/puppeteer/commit/257a6a1973773e08131c432d31d65b16aaf87b12))
* roll to Firefox 156.0.1 ([#15483](https://github.com/puppeteer/puppeteer/issues/15483)) ([73d8fec](https://github.com/puppeteer/puppeteer/commit/73d8fec63f23b1d20e28e13b2717f30f87ca2b83))


### Dependencies

* The following workspace dependencies were updated
  * dependencies
    * @puppeteer/browsers bumped from 3.2.2 to 3.2.3

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