Release 0.19.0

New features and changes have landed, making it a good time to cut a release.
Further feature proposals can be incorporated in future releases.

Author: koic

CHANGELOG.md

@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.19.0] - 2026-06-12
+
+### Added
+
+- Support Client ID Metadata Documents in OAuth client (#361)
+- Request `offline_access` scope when supported (#365)
+- Add `size` field to `MCP::Resource` per MCP specification (#393)
+
 ## [0.18.0] - 2026-05-30
 
 ### Added

lib/mcp/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module MCP
-  VERSION = "0.18.0"
+  VERSION = "0.19.0"
 end