docs: [LangGraph Server Changelog Bot] Changelog updates for new version(s) (#141)

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="2025-08-11"></a>
+## v0.2.129
+- Stopped passing internal LGP fields to context to prevent breaking type checks.
+- Exposed content-location headers to ensure correct resumability behavior in the API.
+
+<a id="2025-08-08"></a>
+## v0.2.128
+- Ensured synchronized updates between `configurable` and `context` in assistants, preventing setup errors and supporting smoother version transitions.
+
 <a id="2025-08-08"></a>
 ## v0.2.127
 - Excluded unrequested stream modes from the resumable stream to optimize functionality.