chore: release v3.4.0 (#1258)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Cargo.toml

@@ -4,13 +4,13 @@ default-members = ["crates/rmcp", "crates/rmcp-macros"]
 resolver = "2"
 
 [workspace.dependencies]
-rmcp = { version = "3.3.0", path = "./crates/rmcp" }
+rmcp = { version = "3.4.0", path = "./crates/rmcp" }
-rmcp-macros = { version = "3.3.0", path = "./crates/rmcp-macros" }
+rmcp-macros = { version = "3.4.0", path = "./crates/rmcp-macros" }
 
 [workspace.package]
 edition = "2024"
 rust-version = "1.88"
-version = "3.3.0"
+version = "3.4.0"
 authors = ["4t145 <u4t145@163.com>"]
 license = "Apache-2.0"
 repository = "https://github.com/modelcontextprotocol/rust-sdk/"

crates/rmcp-macros/CHANGELOG.md

@@ -7,6 +7,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.4.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-macros-v3.3.0...rmcp-macros-v3.4.0) - 2026-09-15
+
+### Added
+
+- *(model)* add ServerConfig and ClientConfig ([#1266](https://github.com/modelcontextprotocol/rust-sdk/pull/1266))
+
+### Fixed
+
+- *(model)* deprecate ServerInfo and ClientInfo aliases ([#1156](https://github.com/modelcontextprotocol/rust-sdk/pull/1156))
+
 ## [3.3.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-macros-v3.2.0...rmcp-macros-v3.3.0) - 2026-09-10
 
 ### Added

crates/rmcp/CHANGELOG.md

@@ -7,6 +7,24 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.4.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v3.3.0...rmcp-v3.4.0) - 2026-09-15
+
+### Added
+
+- *(model)* add ServerConfig and ClientConfig ([#1266](https://github.com/modelcontextprotocol/rust-sdk/pull/1266))
+
+### Fixed
+
+- *(rmcp)* use ServerConfig in cancellation test ([#1273](https://github.com/modelcontextprotocol/rust-sdk/pull/1273))
+- *(rmcp)* route peer cancellation by lifecycle ([#1262](https://github.com/modelcontextprotocol/rust-sdk/pull/1262))
+- run first pre-init request in service loop ([#1263](https://github.com/modelcontextprotocol/rust-sdk/pull/1263))
+- *(auth)* let url origin decide prm discovery ([#1264](https://github.com/modelcontextprotocol/rust-sdk/pull/1264))
+- *(model)* deprecate ServerInfo and ClientInfo aliases ([#1156](https://github.com/modelcontextprotocol/rust-sdk/pull/1156))
+- *(auth)* ignore non-metadata JSON when probing for protected resource metadata ([#1204](https://github.com/modelcontextprotocol/rust-sdk/pull/1204))
+- do not treat malformed JSON 200 as Accepted for requests ([#1208](https://github.com/modelcontextprotocol/rust-sdk/pull/1208))
+- *(streamable-http-server)* map handler-generated HeaderMismatch to HTTP 400 ([#1259](https://github.com/modelcontextprotocol/rust-sdk/pull/1259))
+- *(http)* enforce Origin validation semantics ([#1192](https://github.com/modelcontextprotocol/rust-sdk/pull/1192))
+
 ## [3.3.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v3.2.0...rmcp-v3.3.0) - 2026-09-10
 
 ### Added