v1.1.0

Highlights of v1.1.0 include client completion details for understanding when and why a client connection ended, auto-populated completion handlers from AllowedValuesAttribute, and bug fixes for server-initiated ping handling, server capabilities initialization, and in-flight message handler cleanup.

What's Changed

• Register ping handler in McpSessionHandler to support server-initiated pings #1391 by @stephentoub (co-authored by @Copilot)
• Fix Extensions not being copied to ServerCapabilities during initialization #1399 by @stephentoub (co-authored by @Copilot)
• Auto-populate completion handlers from AllowedValuesAttribute on prompt/resource parameters #1380 by @stephentoub (co-authored by @Copilot)
• Add client completion notification and details #1368 by @stephentoub (co-authored by @Copilot)
• Wait for in-flight message handlers before ProcessMessagesCoreAsync returns #1403 by @stephentoub (co-authored by @Copilot)

Documentation Updates

• Add SSE server code example to transports documentation #1385 by @jeffhandley (co-authored by @Copilot)
• Simplify and update README for stable release #1387 by @stephentoub (co-authored by @jeffhandley)
• Simplify and update package README.md files for stable release #1388 by @stephentoub (co-authored by @Copilot @jeffhandley)
• Remove outdated README reference from transports.md #1394 by @halter73
• Clean up markdown-link-check warnings #1395 by @jeffhandley (co-authored by @Copilot)

Repository Infrastructure Updates

• Enable EnablePackageValidation for all src packages with 1.0.0 baseline #1330 by @jeffhandley (co-authored by @Copilot @stephentoub)
• Bump hono from 4.12.0 to 4.12.2 in the npm_and_yarn group across 1 directory #1392
• Bump docfx from 2.78.4 to 2.78.5 #1408
• Bump actions/download-artifact from 7.0.0 to 8.0.0 #1406
• Bump actions/upload-artifact from 6.0.0 to 7.0.0 #1405
• Bump danielpalme/ReportGenerator-GitHub-Action from 5.5.1 to 5.5.2 #1404
• Bump the testing-frameworks group with 1 update #1407
• Add issue-triage Copilot skill #1412 by @jeffhandley (co-authored by @Copilot)
• Release v1.1.0 #1411 by @jeffhandley (co-authored by @Copilot)

Acknowledgements

• @r-Larch submitted issue #1269 (resolved by #1403)
• @darena-mhaque submitted issue #1398 (resolved by #1399)
• @hulumane submitted issue #1332 (resolved by #1368)
• @AArnott submitted issue #438 (resolved by #1368)
• @JarroVGIT submitted issue #1390 (resolved by #1391)
• @stephentoub @halter73 @eiriktsarpalis @jeffhandley reviewed pull requests

Full Changelog: v1.0.0...v1.1.0