Changelog
This is a detailed changelog of every update to Browser Rendering. For a higher-level summary of major updates to every Cloudflare product, including Browser Rendering, visit developers.cloudflare.com/changelog.
Updates to Playwright, local dev support, and REST API
- Playwright upgraded to Playwright v1.54.1 and Playwright MCP upgraded to be in sync with upstream Playwright MCP v0.0.30.
- Local development with
npx wrangler dev
now supports Playwright when using Browser Rendering. Upgrade to the latest version of wrangler to get started. - The
/content
endpoint now returns the page's title, making it easier to identify pages. - The
/json
endpoint now allows you to specify your own AI model for the extraction, using thecustom_ai
parameter. - The default viewport size has been increased from 800x600 to 1920x1080. You can still override the viewport via request options.
@cloudflare/puppeteer 1.0.4 released
- We have released version 1.0.4 of
@cloudflare/puppeteer
, now in sync with Puppeteer v22.13.1.
Playwright now supported in local development
- You can now use Playwright with local development. Upgrade to wrangler@4.26.0 to get started.
Pricing update to Browser Rendering
- Billing for Browser Rendering starts on August 20, 2025, with usage beyond the included limits charged according to the new pricing rates.
Local development support
- We added local development support to Browser Rendering, making it simpler than ever to test and iterate before deploying.
New Web Bot Auth headers
- Browser Rendering now supports Web Bot Auth by automatically attaching
Signature-agent
,Signature
, andSignature-input
headers to verify that a request originates from Cloudflare Browser Rendering.
Bug fix to debug log noise in Workers
- Fixed an issue where all debug logging was on by default and would flood logs. Debug logs is now off by default but can be re-enabled by setting
process.env.DEBUG
when needed.
Playwright MCP
- You can now deploy Playwright MCP and use any MCP client to get AI models to interact with Browser Rendering.
Automatic Request Headers
- Clarified Automatic Request headers in Browser Rendering. These headers are unique to Browser Rendering, and are automatically included and cannot be removed or overridden.
Playwright support
- You can now use Playwright's browser automation capabilities from Cloudflare Workers.
New Browser Rendering REST API
- Released a new REST API in open beta. Available to all customers with a Workers Paid Plan.
Increased limits
- Increased the limits on the number of concurrent browsers, and browsers per minute from 2 to 10.
Update puppeteer to 21.1.0
- Rebased the fork on the original implementation up till version 21.1.0
Browser Rendering Available for everyone
- Browser Rendering is now out of beta and available to all customers with Workers Paid Plan. Analytics and logs are available in Cloudflare's dashboard, under "Worker & Pages".
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