Release 4.4.0

CHANGELOG.md

@@ -5,7 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [4.4.0] - 2026-10-22
+
+A handler returning anything but the new error tuples behaves exactly as
+on 4.3.0.
 
 ### Added
 

README.md

@@ -51,7 +51,7 @@ Add to your `rebar.config`:
 {deps, [
     {barrel_mcp,
         {git, "https://github.com/barrel-platform/barrel_mcp.git",
-              {tag, "v4.3.0"}}}
+              {tag, "v4.4.0"}}}
 ]}.
 ```
 
@@ -680,7 +680,7 @@ Your application's entry point should call `barrel_mcp:start_stdio()`.
 
 ## Pending features
 
-Nothing is pending as of 4.3.0: the library implements every released
+Nothing is pending as of 4.4.0: the library implements every released
 revision of the specification, and both halves of the `ext-auth`
 extension. [`docs/pending-features.md`](docs/pending-features.md)
 records what is deliberately out of scope. Open an issue if you want

docs/pending-features.md

@@ -3,7 +3,7 @@
 Design notes for features that are **not yet implemented** and likely
 worth doing. Each entry is sized to be picked up as one focused PR.
 
-**Nothing is pending as of 4.3.0.** The last entry here, Dynamic Client
+**Nothing is pending as of 4.4.0.** The last entry here, Dynamic Client
 Registration (RFC 7591), shipped and has since been deprecated by the
 specification in favour of Client ID Metadata Documents, which shipped
 alongside it. See [Client registration](../guides/authentication.md#client-registration).

src/barrel_mcp.app.src

@@ -1,6 +1,6 @@
 {application, barrel_mcp, [
     {description, "MCP Protocol Library for Erlang"},
-    {vsn, "4.3.0"},
+    {vsn, "4.4.0"},
     {registered, [
         barrel_mcp_registry,
         barrel_mcp_sup,