add changelog section for upgrade-safe variant

(cherry picked from commit 5ca793d6)

add changelog section for upgrade-safe variant
(cherry picked from commit 5ca793d6)
e9d4d441 · Francisco Giordano · 5717bc76 · e9d4d441
Commit e9d4d441 authored Nov 11, 2020 by Francisco Giordano
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CHANGELOG.md CHANGELOG.md +12 -0

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+# Changelog for Upgrade Safe variant
+
+## 3.2.0 (2020-11-11)
+
+ * First release of Upgrade Safe variant, replacing Ethereum Package variant which is now deprecated.
+
+### Upgrading from OpenZeppelin Contracts Ethereum Package
+
+ * Previously only contracts were renamed with the `UpgradeSafe` suffix. In order to improve compatibility between
+   Upgrade Safe variant and the vanila OpenZeppelin Contracts package, now all contracts, interfaces, and libraries have
+   the `UpgradeSafe` suffix. The only exception is the `Initializable` contract which retains its original name.
+
 # Changelog

 ## 3.2.0 (2020-09-10)