docs: add v1.x branch link to README banner

maxisbey · maxisbey · commit d839d15733ab · 2026-01-29T18:02:03.000Z
Github-Issue: #1970
diff --git a/README.md b/README.md
@@ -18,6 +18,7 @@
 > [!NOTE]
 > **This README documents v1.x of the MCP Python SDK (the current stable release).**
 >
+> For v1.x code and documentation, see the [`v1.x` branch](https://github.com/modelcontextprotocol/python-sdk/tree/v1.x).
 > For the upcoming v2 documentation (pre-alpha, in development on `main`), see [`README.v2.md`](README.v2.md).
 
 <!-- omit in toc -->

Original file line number	Diff line number	Diff line change
`@@ -18,6 +18,7 @@`
`18`	`18`	`> [!NOTE]`
`19`	`19`	`> This README documents v1.x of the MCP Python SDK (the current stable release).`
`20`	`20`	`>`
	`21`	+> For v1.x code and documentation, see the [`v1.x` branch](https://github.com/modelcontextprotocol/python-sdk/tree/v1.x).
`21`	`22`	> For the upcoming v2 documentation (pre-alpha, in development on `main`), see [`README.v2.md`](README.v2.md).
`22`	`23`
`23`	`24`	`<!-- omit in toc -->`