2.2.0-M3

Issues

• SEP-1865: MCP Apps - Interactive User Interfaces for MCP

  enhancementextensionsP2
  modelcontextprotocol/java-sdk#999 · Filter by author localden opened on Jun 6, 2026 · 2.2.0-M3
  1

• SEP-2106: Tools inputSchema & outputSchema Conform to JSON Schema 2020-12

  enhancement
  modelcontextprotocol/java-sdk#1000 · Filter by author localden opened on Jun 6, 2026 · 2.2.0-M3
  1

• SEP-2468: Recommend Issuer (iss) Parameter in MCP Auth Responses

  area/authorizationenhancementP2
  Enhancement

  modelcontextprotocol/java-sdk#1008 · Filter by author localden opened on Jun 6, 2026 · 2.2.0-M3
  1

  

• SEP-2352: Clarify authorization server binding and migration

  area/authorizationenhancementP2
  Enhancement

  modelcontextprotocol/java-sdk#1007 · Filter by author localden opened on Jun 6, 2026 · 2.2.0-M3
  1

• SEP-2577: Deprecate Roots, Sampling, and Logging

  area/clientarea/serverenhancementP1
  Enhancement

  modelcontextprotocol/java-sdk#1012 · Filter by author localden opened on Jun 6, 2026 · 2.2.0-M3

• SEP-2663: Tasks Extension

  enhancementextensionsP2
  Enhancement

  modelcontextprotocol/java-sdk#1013 · Filter by author localden opened on Jun 6, 2026 · 2.2.0-M3
  9

• Simplify registering tools, resources and prompts on the modern server

  area/serverenhancementP2
  Enhancement

  modelcontextprotocol/java-sdk#1200 · Filter by author Kehrlann opened on Oct 20, 2026 · 2.2.0-M3
  2

  

• Validate x-mcp-header in tool input schema

  area/serverenhancementmodernP2
  Enhancement

  modelcontextprotocol/java-sdk#1269 · Filter by author Kehrlann opened on Oct 23, 2026 · 2.2.0-M3
  3

• Name the supported protocol versions when rejecting a legacy initialize

  area/serverenhancementmodernP1
  Enhancement

  modelcontextprotocol/java-sdk#1195 · Filter by author chemicL opened on Oct 20, 2026 · 2.2.0-M3
  1

• Support dual-era servers (legacy + 2026-07-28 on the same endpoint)

  area/serverenhancementP2
  Enhancement

  modelcontextprotocol/java-sdk#1203 · Filter by author Kehrlann opened on Oct 20, 2026 · 2.2.0-M3
  1

• Allow injecting a notifier factory for notification filtering and checks

  area/serverenhancementP2
  Enhancement

  modelcontextprotocol/java-sdk#1197 · Filter by author chemicL opened on Oct 20, 2026 · 2.2.0-M3

• Authorize resourceSubscriptions on subscriptions/listen

  area/servermodernP1
  Enhancement

  modelcontextprotocol/java-sdk#1307 · Filter by author Kehrlann opened on Nov 2, 2026 · 2.2.0-M3
  3

  

• Forward Mcp-Name header in the McpTransportContext for extension validation

  area/serverarea/transportmodernP2
  Enhancement

  modelcontextprotocol/java-sdk#1317 · Filter by author Kehrlann opened on Nov 6, 2026 · 2.2.0-M3
  3

  

• Make ToolsFeature building blocks reusable

  area/servermodernP2
  Enhancement

  modelcontextprotocol/java-sdk#1320 · Filter by author Kehrlann opened on Nov 9, 2026 · 2.2.0-M3
  1