Open Liberty 26.0.0.9 introduces MCP Server support ( mcp-1.0 ), adds OAuth 2.0 Protected Resource Metadata support for openidConnectClient , and introduces custom session cache name prefixes for shared JCache clusters. In Open Liberty 26.0.0.9: MCP Server (mcp-1.0) Protected Resource Metadata for openidConnectClient Custom session cache name prefixes for shared JCache clusters Security Vulnerability (CVE) Fixes Notable bug fixes View the list of fixed bugs in 26.0.0.9 . Check out previous Open Liberty GA release blog posts .