v1.2.0

Features

• Added custom constraints validation support for shapes. (#1171)
• Added McpServerInterceptor with scoped hooks for MCP servers. (#1174)
• Added AuthScheme and IdentityResolver support to HttpMcpProxy. (#1169)
• Inferred MCP ToolAnnotations from @readonly and @idempotent traits. (#1157)
• Added support for Smithy RPC v2 JSON protocol. (#1092)
• Added support for EC2 Query protocol. (#1160)
• Implemented standard and adaptive retry strategies. (#1149)
• Added a mechanism to avoid mixing versions for a client. (#1167)
• Added service schema to ProtocolSettings for service-level traits. (#1166)
• Added AWS and EC2 Query schema extensions. (#1187)

Bug Fixes

• Fixed DateTimeException in CBOR timestamp deserialization. (#1183)
• Used deferred writes to avoid interpreting dollar sign as format. (#1191)
• Fixed query protocols to ignore the body if the output schema has the unit type trait. (#1173)
• Fixed javadoc formatting. (#1168)
• Added setting integrationSettings to CodegenDirector when codegen is being executed. (#1151)
• Added explicit dependency on framework-errors in codegen-plugin. (#1153)

Improvements

• Optimized HTTP bindings (#1194, #1192, #1190)
• Optimized CBOR codec. (#1183)
• Optimized query and URI encoding/validation. (#1190)
• Cached struct payload check for HTTP bindings. (#1189)
• Optimized JSON codec. (#1148)
• Improved JDK HTTP client transport performance. (#1163)
• Optimized HTTP binding and XML overhead. (#1182)
• Pooled HTTP codec path and cached empty-body output. (#1182)
• Improved codegen performance. (#1177)

Other

• Marked CborSchemaExtensions as internal. (#1183)