docs: [LangGraph Server Changelog Bot] Changelog updates for new version(s) (#1231)

Automated changelog update created by the LangGraph Server Changelog
Bot.

Feel free to merge anytime.

Author: samecrowder

src/langsmith/langgraph-server-changelog.mdx

@@ -5,6 +5,45 @@ sidebarTitle: LangGraph Server changelog
 
 [LangGraph Server](/langsmith/langgraph-server) is an API platform for creating and managing agent-based applications. It provides built-in persistence, a task queue, and supports deploying, configuring, and running assistants (agentic workflows) at scale. This changelog documents all notable updates, features, and fixes to LangGraph Server releases.
 
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+## v0.5.0
+- Updated dependency requirements to support the latest security patch, removed JSON fallback for serialization, and adjusted deserialization behavior for enhanced security.
+
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+## v0.4.47
+- Validated and auto-corrected environment configuration types using TypeAdapter.
+- Added support for LangChain.js and LangGraph.js version 1.x, ensuring compatibility.
+- Updated hono library from version 4.9.7 to 4.10.3, addressing a CORS middleware security issue and enhancing JWT audience validation.
+- Introduced a modular benchmark framework, adding support for assistants and streams, with improvements to the existing ramp benchmark methodology.
+- Introduced a gRPC API for core threads CRUD operations, with updated Python and TypeScript clients.
+- Updated `hono` package from version 4.9.7 to 4.10.2, including security improvements for JWT audience validation.
+- Updated `hono` dependency from version 4.9.7 to 4.10.3 to fix a security issue and improve CORS middleware handling.
+- Introduced basic CRUD operations for threads, including create, get, patch, delete, search, count, and copy, with support for Go, gRPC server, and Python and TypeScript clients.
+
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+## v0.4.46
+- Added an option to enable message streaming from subgraph events, giving users more control over event notifications.
+
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+## v0.4.45
+- Implemented support for authorization on custom routes, controlled by the `enable_custom_route_auth` flag.
+- Set default tracing to off for improved performance and simplified debugging.
+
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+## v0.4.44
+- Used Redis key prefix for license-related keys to prevent conflicts with existing setups.
+
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+## v0.4.43
+- Implemented a health check for Redis connections to prevent them from idling out.
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+## v0.4.40
+- Prevented duplicate messages in resumable run and thread streams by addressing a race condition and adding tests to ensure consistent behavior.
+- Ensured that runs don't start until the pubsub subscription is confirmed to prevent message drops on startup.
+- Renamed platform from langgraph to improve clarity and branding.
+- Reset PostgreSQL connections after use to prevent lock holding and improved error reporting for transaction issues.
+
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 ## v0.4.39
 - Upgraded `hono` from version 4.7.6 to 4.9.7, addressing a security issue related to the `bodyLimit` middleware.