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0.21.2-hotfix-3

PlasmoHQ/plasmo0.21.2-hotfix-3Apr 14, 2026by cliffhall

AI Summary

This release focuses on bug fixes and dependency updates for the MCP Inspector. Key improvements include fixing decimal typing in forms, ensuring DCR redirect URIs register correctly, adding horizontal scrolling for long JSON values, and implementing a proxy fetch for authentication to avoid CORS issues.

Key Highlights

  • Fixed decimal typing behavior for number inputs in tools form
  • Ensured DCR registers both redirect URIs
  • Added horizontal scrolling for long values in JSON view
  • Added proxy fetch for use by auth to avoid CORS issues
  • Updated CI to use OIDC trusted publishing

New Features

  • Proxy fetch for authentication

Full Release Notes

## What's Changed
* Fix decimal typing behavior for number inputs in tools form by @MumuTW in https://github.com/modelcontextprotocol/inspector/pull/1127
* fix: ensure DCR always registers both redirect URIs by @asoorm in https://github.com/modelcontextprotocol/inspector/pull/1173
* fix: add horizontal scrolling for long values in json view by @Dinesht04 in https://github.com/modelcontextprotocol/inspector/pull/1177
* Inspector client: Added proxy fetch for use by auth (to avoid CORS issues) by @BobDickinson in https://github.com/modelcontextprotocol/inspector/pull/1047
* chore(deps): bump hono from 4.12.1 to 4.12.2 in the npm_and_yarn group across 1 directory by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1117
* chore(deps): bump actions/upload-artifact from 6 to 7 by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1125
* chore(deps): bump actions/attest-build-provenance from 3 to 4 by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1126
* chore(deps): bump docker/setup-buildx-action from 3 to 4 by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1136
* chore(deps): bump docker/login-action from 3 to 4 by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1137
* chore(deps): bump docker/metadata-action from 5 to 6 by @dependabot[bot] in https://github.com/modelcontextprotocol/inspector/pull/1138
* fix: validate serverInfo.websiteUrl before rendering as link by @cliffhall in https://github.com/modelcontextprotocol/inspector/pull/1186
* fix(server): sanitize error responses to prevent stack trace exposure by @cliffhall in https://github.com/modelcontextprotocol/inspector/pull/1187
* chore: bump version to 0.21.2 by @olaservo in https://github.com/modelcontextprotocol/inspector/pull/1194
* ci: switch npm publish to OIDC trusted publishing by @pcarleton in https://github.com/modelcontextprotocol/inspector/pull/1199
* Update package.json to contain repository.url in for npm trusted publisher setup by @cliffhall in https://github.com/modelcontextprotocol/inspector/pull/1201
* fix: add repository field to workspace package.json files for npm trusted publishing by @cliffhall in https://github.com/modelcontextprotocol/inspector/pull/1202

## New Contributors
* @MumuTW made their first contribution in https://github.com/modelcontextprotocol/inspector/pull/1127
* @Dinesht04 made their first contribution in https://github.com/modelcontextprotocol/inspector/pull/1177

**Full Changelog**: https://github.com/modelcontextprotocol/inspector/compare/0.21.1...0.21.2-hotfix-3