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Title: SEP-2596: Specification Feature Lifecycle and Deprecation Policy by localden · Pull Request #2596 · modelcontextprotocol/modelcontextprotocol · GitHub

Open Graph Title: SEP-2596: Specification Feature Lifecycle and Deprecation Policy by localden · Pull Request #2596 · modelcontextprotocol/modelcontextprotocol

X Title: SEP-2596: Specification Feature Lifecycle and Deprecation Policy by localden · Pull Request #2596 · modelcontextprotocol/modelcontextprotocol

Description: Specification and documentation for the Model Context Protocol - SEP-2596: Specification Feature Lifecycle and Deprecation Policy by localden · Pull Request #2596 · modelcontextprotocol/modelcontextprotocol

Open Graph Description: Establishes a formal lifecycle for individual features within the MCP specification (Active, Deprecated, Removed), with a minimum twelve-month window between deprecation and earliest removal, requi...

X Description: Establishes a formal lifecycle for individual features within the MCP specification (Active, Deprecated, Removed), with a minimum twelve-month window between deprecation and earliest removal, requi...

Opengraph URL: https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2596

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[2026-07-28] Governance: deprecations, lifecycle, conformance, SDK tier modelcontextprotocol/php-sdk#339 https://github.com/modelcontextprotocol/php-sdk/issues/339
[Docs] SEP-2596: Adopt MCP feature lifecycle policy; document PHP SDK BC promise mirroring 12-month spec window modelcontextprotocol/php-sdk#366 https://github.com/modelcontextprotocol/php-sdk/issues/366
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feat(manifest): SEP-2577 deprecation flags for roots/sampling/logging + SEP-2596 lifecycle policy joshrotenberg/tower-mcp#821 https://github.com/joshrotenberg/tower-mcp/issues/821
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[MCP: SEP Tracker] Week of 2026-06-29 jeffhandley/dotnet-vitals-servicing-release-manager#27 https://github.com/jeffhandley/dotnet-vitals-servicing-release-manager/issues/27
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Jul 15, 2026 https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2596#ref-pullrequest-4896570564
feat(rules): AAK-OAUTH-007 RFC 8707 resource indicators + reconcile July rules to ratified MCP 2026-07-28 sattyamjjain/agent-audit-kit#443 https://github.com/sattyamjjain/agent-audit-kit/pull/443
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