chore: release v3.0.0-beta.1 (#964)

* chore: release v3.0.0

* chore: release v3.0.0-beta.1

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Alex Hancock <alexhancock@block.xyz>
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github-actions[bot] 2026-07-23 14:41:54 -04:00 • committed by GitHub
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3 changed files with 68 additions and 3 deletions

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@ -4,12 +4,12 @@ default-members = ["crates/rmcp", "crates/rmcp-macros"]
resolver = "2" resolver = "2"
[workspace.dependencies] [workspace.dependencies]
rmcp = { version = "2.2.0", path = "./crates/rmcp" } rmcp = { version = "3.0.0-beta.1", path = "./crates/rmcp" }
rmcp-macros = { version = "2.2.0", path = "./crates/rmcp-macros" } rmcp-macros = { version = "3.0.0-beta.1", path = "./crates/rmcp-macros" }
[workspace.package] [workspace.package]
edition = "2024" edition = "2024"
version = "2.2.0" version = "3.0.0-beta.1"
authors = ["4t145 <u4t145@163.com>"] authors = ["4t145 <u4t145@163.com>"]
license = "Apache-2.0" license = "Apache-2.0"
repository = "https://github.com/modelcontextprotocol/rust-sdk/" repository = "https://github.com/modelcontextprotocol/rust-sdk/"

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@ -7,6 +7,23 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## [Unreleased] ## [Unreleased]
## [3.0.0-beta.1](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-macros-v2.2.0...rmcp-macros-v3.0.0-beta.1) - 2026-07-23
### Added
- add client-side TTL-honoring response cache (SEP-2549) ([#1025](https://github.com/modelcontextprotocol/rust-sdk/pull/1025))
- [**breaking**] Implement SEP-2663 Tasks Extension ([#1020](https://github.com/modelcontextprotocol/rust-sdk/pull/1020))
- add subscription listen streams (SEP-2575) ([#1000](https://github.com/modelcontextprotocol/rust-sdk/pull/1000))
- add modern client lifecycle modes (SEP-2575) ([#995](https://github.com/modelcontextprotocol/rust-sdk/pull/995))
- [**breaking**] implement SEP-2549 cache hints ([#889](https://github.com/modelcontextprotocol/rust-sdk/pull/889))
- [**breaking**] add MRTR behavior support (SEP-2322) ([#929](https://github.com/modelcontextprotocol/rust-sdk/pull/929))
- relax outputSchema to accept non-object JSON Schema types (SEP-2106) ([#895](https://github.com/modelcontextprotocol/rust-sdk/pull/895))
- [**breaking**] add MRTR model types (SEP-2322) ([#915](https://github.com/modelcontextprotocol/rust-sdk/pull/915))
### Other
- update for 2026-07-28 version ([#1032](https://github.com/modelcontextprotocol/rust-sdk/pull/1032))
## [2.0.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-macros-v1.8.0...rmcp-macros-v2.0.0) - 2026-06-27 ## [2.0.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-macros-v1.8.0...rmcp-macros-v2.0.0) - 2026-06-27
### Added ### Added

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@ -7,6 +7,54 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## [Unreleased] ## [Unreleased]
## [3.0.0-beta.1](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v2.2.0...rmcp-v3.0.0-beta.1) - 2026-07-23
### Added
- route SEP-2260 associated server requests to the originating SSE stream ([#1029](https://github.com/modelcontextprotocol/rust-sdk/pull/1029))
- [**breaking**] add distributed SSE event store ([#1024](https://github.com/modelcontextprotocol/rust-sdk/pull/1024))
- add client-side TTL-honoring response cache (SEP-2549) ([#1025](https://github.com/modelcontextprotocol/rust-sdk/pull/1025))
- [**breaking**] Implement SEP-2663 Tasks Extension ([#1020](https://github.com/modelcontextprotocol/rust-sdk/pull/1020))
- add subscription listen streams (SEP-2575) ([#1000](https://github.com/modelcontextprotocol/rust-sdk/pull/1000))
- *(auth)* bind DCR client credentials to issuing authorization server (SEP-2352) ([#998](https://github.com/modelcontextprotocol/rust-sdk/pull/998))
- add modern client lifecycle modes (SEP-2575) ([#995](https://github.com/modelcontextprotocol/rust-sdk/pull/995))
- *(auth)* accumulate client-side scopes during step-up authorization ([#888](https://github.com/modelcontextprotocol/rust-sdk/pull/888))
- [**breaking**] add server discovery and negotiation (SEP-2575) ([#973](https://github.com/modelcontextprotocol/rust-sdk/pull/973))
- *(conformance)* add SEP-2243 header validation tool ([#997](https://github.com/modelcontextprotocol/rust-sdk/pull/997))
- [**breaking**] align metadata models with draft schema ([#993](https://github.com/modelcontextprotocol/rust-sdk/pull/993))
- [**breaking**] implement SEP-2549 cache hints ([#889](https://github.com/modelcontextprotocol/rust-sdk/pull/889))
- [**breaking**] add MRTR behavior support (SEP-2322) ([#929](https://github.com/modelcontextprotocol/rust-sdk/pull/929))
- [**breaking**] type Annotations.lastModified as a string ([#956](https://github.com/modelcontextprotocol/rust-sdk/pull/956))
- [**breaking**] add SEP-2243 HTTP standard headers ([#907](https://github.com/modelcontextprotocol/rust-sdk/pull/907))
- relax outputSchema to accept non-object JSON Schema types (SEP-2106) ([#895](https://github.com/modelcontextprotocol/rust-sdk/pull/895))
- [**breaking**] relax tool result structuredContent type (SEP-2106) ([#933](https://github.com/modelcontextprotocol/rust-sdk/pull/933))
- [**breaking**] add MRTR model types (SEP-2322) ([#915](https://github.com/modelcontextprotocol/rust-sdk/pull/915))
### Fixed
- reap completed response send tasks ([#1026](https://github.com/modelcontextprotocol/rust-sdk/pull/1026))
- accept stringified numeric response IDs ([#1021](https://github.com/modelcontextprotocol/rust-sdk/pull/1021))
- re-register after auth server change ([#1011](https://github.com/modelcontextprotocol/rust-sdk/pull/1011))
- .with_stateful_mode -> .with_legacy_session_mode ([#1015](https://github.com/modelcontextprotocol/rust-sdk/pull/1015))
- preserve negotiated progress responses ([#1005](https://github.com/modelcontextprotocol/rust-sdk/pull/1005))
- *(server)* serve draft-version requests statelessly per SEP-2567 ([#999](https://github.com/modelcontextprotocol/rust-sdk/pull/999))
- pass client header conformance ([#1012](https://github.com/modelcontextprotocol/rust-sdk/pull/1012))
- *(auth)* add an SDK path for pre-registered OAuth clients ([#994](https://github.com/modelcontextprotocol/rust-sdk/pull/994))
- *(transport)* cancel in-flight request on stateless streamable-HTTP client disconnect ([#857](https://github.com/modelcontextprotocol/rust-sdk/pull/857)) ([#967](https://github.com/modelcontextprotocol/rust-sdk/pull/967))
- *(auth)* distinguish rejected refresh tokens from transient failures ([#963](https://github.com/modelcontextprotocol/rust-sdk/pull/963))
- *(auth)* validate discovered metadata issuer ([#996](https://github.com/modelcontextprotocol/rust-sdk/pull/996))
- bound streamable HTTP memory usage ([#970](https://github.com/modelcontextprotocol/rust-sdk/pull/970))
- *(streamable-http)* preserve progress in JSON mode ([#990](https://github.com/modelcontextprotocol/rust-sdk/pull/990))
- specify compatible sse-stream version ([#968](https://github.com/modelcontextprotocol/rust-sdk/pull/968))
- flag schema derive on schemars feature ([#966](https://github.com/modelcontextprotocol/rust-sdk/pull/966))
### Other
- refactor OAuth client authorization api ([#1009](https://github.com/modelcontextprotocol/rust-sdk/pull/1009))
- update for 2026-07-28 version ([#1032](https://github.com/modelcontextprotocol/rust-sdk/pull/1032))
- *(deps)* update hmac requirement from 0.12 to 0.13 ([#988](https://github.com/modelcontextprotocol/rust-sdk/pull/988))
- serialize JavaScript dependency install ([#972](https://github.com/modelcontextprotocol/rust-sdk/pull/972))
### Changed ### Changed
- **BREAKING**: rename `StreamableHttpServerConfig::stateful_mode` to `legacy_session_mode` (and the builder `with_stateful_mode` to `with_legacy_session_mode`) to clarify that the option only affects legacy protocol versions (`< 2026-07-28`); per SEP-2567 the `2026-07-28` draft version is always served statelessly ([#999](https://github.com/modelcontextprotocol/rust-sdk/pull/999)) - **BREAKING**: rename `StreamableHttpServerConfig::stateful_mode` to `legacy_session_mode` (and the builder `with_stateful_mode` to `with_legacy_session_mode`) to clarify that the option only affects legacy protocol versions (`< 2026-07-28`); per SEP-2567 the `2026-07-28` draft version is always served statelessly ([#999](https://github.com/modelcontextprotocol/rust-sdk/pull/999))