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Bump ModelContextProtocol from 1.4.0 to 1.4.1 - #349

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EricCogen merged 2 commits into
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dependabot/nuget/src/GauntletCI.Cli/ModelContextProtocol-1.4.1
Jul 27, 2026
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Bump ModelContextProtocol from 1.4.0 to 1.4.1#349
EricCogen merged 2 commits into
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dependabot/nuget/src/GauntletCI.Cli/ModelContextProtocol-1.4.1

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@dependabot dependabot Bot commented on behalf of github Jul 13, 2026

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Updated ModelContextProtocol from 1.4.0 to 1.4.1.

Release notes

Sourced from ModelContextProtocol's releases.

1.4.1

This release backports a memory-leak fix for HTTP/SSE-based MCP servers. StreamableHttpServerTransport now releases its Server-Sent Events response stream reference as soon as a GET request ends, instead of holding it until the session is disposed via explicit DELETE or idle timeout. Long-lived SSE clients that disconnect without sending DELETE no longer pin the underlying Kestrel connection and its associated memory-pool buffers (~20 MiB per session), preventing the sustained memory growth that could accumulate under connect/disconnect churn.

What's Changed

  • Release SSE response stream reference when GET request ends #​1628 by @​halter73 (co-authored by @​joelmforsyth @​Copilot)

Acknowledgements

  • @​slomangino123 submitted issue #​766 (resolved by #​1628)

Full Changelog: modelcontextprotocol/csharp-sdk@v1.4.0...v1.4.1

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@dependabot dependabot Bot added the dependencies Pull requests that update a dependency file label Jul 13, 2026
---
updated-dependencies:
- dependency-name: ModelContextProtocol
  dependency-version: 1.4.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot
dependabot Bot force-pushed the dependabot/nuget/src/GauntletCI.Cli/ModelContextProtocol-1.4.1 branch from 179b765 to 606129a Compare July 27, 2026 16:15
@EricCogen
EricCogen merged commit 95c9960 into main Jul 27, 2026
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@dependabot
dependabot Bot deleted the dependabot/nuget/src/GauntletCI.Cli/ModelContextProtocol-1.4.1 branch July 27, 2026 16:18
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