# Playwright v1.65.0 — Release & Upgrade Intelligence
- **Product:** Playwright (https://playwright.dev)
- **Version:** v1.65.0
- **Released:** Nov 05, 2026
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/playwright/updates/v1.65.0/

## Executive Summary (TL;DR)
Playwright v1.65.0. Source highlight: 🥟 Run tests with Bun

## Breaking Changes & Deprecations
- Breaking Changes ⚠️ - TypeScript class fields now follow [`useDefineForClassFields`](https://playwright.dev/docs/test-typescript#tsconfig-class-fields) from your `tsconfig.json`, the same as `tsc`. It is enabled for `ES2022` and later targets, and when `target` is not specified. A field initializer that reads a constructor parameter property now fails, because the initializer runs first:

## Bug Fixes
- 🐳 Docker images now include Node.js 26 instead of Node.js 24, and the latest patch of Chromium on the same branch.