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chrome-devtools-mcp-v0.20.3

ChromeDevTools/chrome-devtools-mcpchrome-devtools-mcp-v0.20.3Mar 20, 2026by browser-automation-bot

AI Summary

Fixes the mutual exclusivity of the categoryExtensions flag with autoConnect and improves performance by releasing old navigation requests.

Key Highlights

  • CategoryExtensions flag mutual exclusivity fix
  • Memory performance optimization

New Features

  • mark categoryExtensions flag mutually exclusive with autoConnect
  • memory: release old navigation request in NetworkCollector
  • use CDP to find open DevTools pages (reland)

Full Release Notes

## [0.20.3](https://github.com/ChromeDevTools/chrome-devtools-mcp/compare/chrome-devtools-mcp-v0.20.2...chrome-devtools-mcp-v0.20.3) (2026-03-20)


### 🛠️ Fixes

* mark categoryExtensions flag mutually exclusive with autoConnect ([#1202](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1202)) ([8c2a7fc](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/8c2a7fc21ead6091567e85608f7916c001ccc7db)), closes [#1072](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1072)


### ⚡ Performance

* **memory:** release old navigation request in NetworkCollector ([#1200](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1200)) ([1e6456c](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/1e6456ce222a8f392341a530b2340336c7a1ab02))
* use CDP to find open DevTools pages (reland) ([#1210](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1210)) ([53483bc](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/53483bc637566658754d781d88f4353ad47f44a7))