From c30fad9955b060f6e337a0244b04ecae811121fb Mon Sep 17 00:00:00 2001
From: Francisco <frangio.1@gmail.com>
Date: Fri, 2 Dec 2022 17:10:43 -0300
Subject: [PATCH] Add ERC-4626 Upgrade Note (#3849)

---
 CHANGELOG.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f77df6f58..369c65db1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -86,6 +86,18 @@ ERC-721 integrators that interpret contract state from events should make sure t
 
 With the new `ERC721Consecutive` extension, the internal workings of `ERC721` are slightly changed. Custom extensions to ERC721 should be reviewed to ensure they remain correct. The internal functions that should be considered are `_ownerOf` (new), `_beforeTokenTransfer`, and `_afterTokenTransfer`.
 
+### ERC-4626 Upgrade Note
+
+Existing `ERC4626` contracts that are upgraded to 4.8 must initialize a new variable that holds the vault token decimals. The recommended way to do this is to use a [reinitializer]:
+
+[reinitializer]: https://docs.openzeppelin.com/contracts/4.x/api/proxy#Initializable-reinitializer-uint8-
+
+```solidity
+function migrateToV48() public reinitializer(2) {
+    __ERC4626_init(IERC20Upgradeable(asset()));
+}
+```
+
 ## 4.7.3
 
 ### Breaking changes