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Support resource subscriptions

enhancementNew feature or requestNew feature or request

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 839

#839 In modelcontextprotocol/java-sdk;

· by chemicL was closed on Mar 2, 2026

Implement resource subscribe/unsubscribe feature

P1Significant bug affecting many users, highly requested featureSignificant bug affecting many users, highly requested feature

Status: Closed (completed).

Enhancement

#837 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Mar 2, 2026

McpStatelessSyncServer should preemptively register a no-op handler for resources/subscribe

bugSomething isn't workingSomething isn't working

P1Significant bug affecting many users, highly requested featureSignificant bug affecting many users, highly requested feature

Status: Closed (completed).

Bug

#776 In modelcontextprotocol/java-sdk;

· by rombert was closed on Mar 2, 2026

Document resource subscription support in server and client guides

documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 843

#843 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Mar 3, 2026

HttpClientStreamHttpTransport: add authorization error handler

area/client

enhancementNew feature or requestNew feature or request

P1Significant bug affecting many users, highly requested featureSignificant bug affecting many users, highly requested feature

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 861

#861 In modelcontextprotocol/java-sdk;

· by Kehrlann was closed on Mar 13, 2026

Handle 401 Unauthorized on Client transports

area/client

enhancementNew feature or requestNew feature or request

P1Significant bug affecting many users, highly requested featureSignificant bug affecting many users, highly requested feature

Status: Closed (completed).

Enhancement

#240 In modelcontextprotocol/java-sdk;

· by jaketothepast was closed on Mar 13, 2026

fix: prepare POMs for Maven Central release readiness

P2Moderate issues affecting some users, edge cases, potentially valuable featureModerate issues affecting some users, edge cases, potentially valuable feature

Status: Merged (completed).

modelcontextprotocol/java-sdknumber 863

#863 In modelcontextprotocol/java-sdk;

· by tzolov was closed on Mar 13, 2026