docs: [LangGraph Server Changelog Bot] Changelog updates for new version(s) (#191)

Automated changelog update created by the LangGraph Server Changelog
Bot.

Feel free to merge anytime.

Author: samecrowder

src/langgraph-platform/langgraph-server-changelog.mdx

@@ -5,6 +5,15 @@ sidebarTitle: Server changelog
 
 [LangGraph Server](/langgraph-platform/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.
 
+<a id="2025-08-20"></a>
+## v0.2.137
+- Fixed an unbound local error and improved logging for thread interruptions or errors, along with type updates.
+
+<a id="2025-08-20"></a>
+## v0.2.136
+- Added enhanced logging to aid in debugging metaview issues.
+- Upgraded executor and runtime to the latest version for improved performance and stability.
+
 <a id="2025-08-19"></a>
 ## v0.2.135
 - Ensured async coroutines are properly awaited to prevent potential runtime errors.