From 00e547c311b321460e4387fabc3278ba8f684699 Mon Sep 17 00:00:00 2001
From: Lauren Hirata Singh <lauren@langchain.dev>
Date: Tue, 9 Sep 2025 20:35:43 -0400
Subject: [PATCH] docs: update banner with docs deprecation notice (#32871)

---
 docs/docusaurus.config.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/docusaurus.config.js b/docs/docusaurus.config.js
index 700338bc495..1d64b8541d9 100644
--- a/docs/docusaurus.config.js
+++ b/docs/docusaurus.config.js
@@ -142,8 +142,8 @@ const config = {
         respectPrefersColorScheme: true,
       },
       announcementBar: {
-        content: "Our new LangChain Academy Course Deep Research with LangGraph is now live! <a href='https://academy.langchain.com/courses/deep-research-with-langgraph/?utm_medium=internal&utm_source=docs&utm_campaign=q3-2025_deep-research-course_co' target='_blank'>Enroll for free</a>.",
-        backgroundColor: "#d0c9fe",
+        content: "These docs will be deprecated and no longer maintained with the release of LangChain v1.0 in October 2025. <a href='https://docs.langchain.com/oss/python/langchain/overview' target='_blank'>Visit the v1.0 alpha docs</a>",
+        backgroundColor: "#FFAE42",
       },
       prism: {
         theme: {