From 0ea7ffa601833decd525007cb04765d0284122e5 Mon Sep 17 00:00:00 2001
From: Vladimir Razuvaev <vladimir.razuvaev@gmail.com>
Date: Wed, 10 Oct 2018 11:33:53 +0200
Subject: [PATCH] Node in UPGRADE.md about broken AST caches

---
 UPGRADE.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/UPGRADE.md b/UPGRADE.md
index ac8947a..62e0cf7 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -122,6 +122,10 @@ type Dog {
 }
 ```
 
+### Breaking: Cached AST of version 0.11.x is not compatible with 0.12.x.
+That's because description in AST is now a separate node, not just a string. 
+Make sure to renew caches.
+
 ### Breaking: Most of previously deprecated classes and methods were removed
 See deprecation notices for previous versions in details.