Add note on wrangler v2 support (#6639)

cloudflare · Sep 5, 2024 · a8cac0f · a8cac0f
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diff --git a/packages/wrangler/README.md b/packages/wrangler/README.md
@@ -8,6 +8,10 @@
 
 `wrangler` is a command line tool for building [Cloudflare Workers](https://workers.cloudflare.com/).
 
+> [!WARNING]
+>
+> Wrangler v2 is **only receiving critical security updates.** We recommend you [migrate to Wrangler v3](https://developers.cloudflare.com/workers/wrangler/migration/update-v2-to-v3/) if you can.
+
 ## Quick Start
 
 ```bash