0.20.0

PlasmoHQ/plasmo0.20.0Feb 6, 2026by cliffhall

AI Summary

Introduces MCP Apps support and addresses critical stability issues including memory leaks and Windows-specific hanging.

Key Highlights

New MCP Apps support added to Inspector
Fix for Windows dev mode hanging
Fix for memory leaks caused by circular function calls
Enabled Dependabot for GitHub Actions

New Features

MCP Apps support

Full Release Notes

## What's Changed
* Fix async sampling test by @cliffhall in https://github.com/modelcontextprotocol/inspector/pull/1035
* fix(client): fix dev mode hanging on Windows by @olaservo in https://github.com/modelcontextprotocol/inspector/pull/1051
* fix(client): circular function calls leads to memory leak by @dzhulk in https://github.com/modelcontextprotocol/inspector/pull/1049
* Enable Dependabot for GitHub Actions by @koic in https://github.com/modelcontextprotocol/inspector/pull/1048
* Bump the npm_and_yarn group across 1 directory with 3 updates by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1065
* Fixed test failures induced by MCP SDK update by @BobDickinson in https://github.com/modelcontextprotocol/inspector/pull/1067
* Add MCP Apps support to Inspector by @cliffhall in https://github.com/modelcontextprotocol/inspector/pull/1044
* Bump version to 0.20.0 by @olaservo in https://github.com/modelcontextprotocol/inspector/pull/1070

## New Contributors
* @dzhulk made their first contribution in https://github.com/modelcontextprotocol/inspector/pull/1049

**Full Changelog**: https://github.com/modelcontextprotocol/inspector/compare/0.19.0...0.20.0