chore: prepare v0.12.3 release

Author: jolestar

CHANGELOG.md

@@ -7,6 +7,21 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.12.3] - 2026-03-19
+
+### Added
+- Added `blocknative-openapi-skill`, `dexscreener-openapi-skill`, `helius-openapi-skill`, `hive-mcp-skill`, `mempool-space-openapi-skill`, `near-jsonrpc-skill`, and `nodit-openapi-skill`.
+- Added nested file-path argument support so OpenAPI request bodies and parameter mappings can address structured file inputs more flexibly.
+- Added MCP resource snapshot support for daemon-backed subscriptions.
+
+### Changed
+- Shared MCP subscription sessions with daemon-managed transports for more consistent live subscription behavior.
+- Improved provider skill guidance across the README, skill index, and follow-up documentation for newer crypto, browser, and messaging skills.
+
+### Fixed
+- Added multipart/form-data request body support for OpenAPI execution, enabling Telegram and Feishu multipart upload workflows.
+- Tightened multipart mixed-content selection behavior and related request-shape handling.
+
 ## [0.12.2] - 2026-03-16
 
 ### Fixed

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "uxc"
-version = "0.12.2"
+version = "0.12.3"
 edition = "2021"
 authors = ["UXC Contributors"]
 description = "Universal X-Protocol CLI for URL-first schema discovery and invocation across OpenAPI, gRPC, GraphQL, MCP, and JSON-RPC"

Cargo.toml

@@ -124,7 +124,7 @@ bash install-uxc.sh
 Install a specific version:
 
 ```bash
-curl -fsSL https://raw.githubusercontent.com/holon-run/uxc/main/scripts/install.sh | bash -s -- -v v0.12.2
+curl -fsSL https://raw.githubusercontent.com/holon-run/uxc/main/scripts/install.sh | bash -s -- -v v0.12.3
 ```
 
 Windows note: native Windows is no longer supported; run UXC through WSL.

README.md

@@ -119,7 +119,7 @@ bash install-uxc.sh
 安装指定版本：
 
 ```bash
-curl -fsSL https://raw.githubusercontent.com/holon-run/uxc/main/scripts/install.sh | bash -s -- -v v0.12.2
+curl -fsSL https://raw.githubusercontent.com/holon-run/uxc/main/scripts/install.sh | bash -s -- -v v0.12.3
 ```
 
 Windows 说明：不再支持原生 Windows，请通过 WSL 运行 UXC。