Add a changelog entry

(cherry picked from commit 352970ef560c89e90e1ad8c8b27fcb2cda01ec26)

Add a changelog entry
(cherry picked from commit 352970ef560c89e90e1ad8c8b27fcb2cda01ec26)
890352e6 · Francisco Giordano · 5c8746f5 · 890352e6
Commit 890352e6 authored Mar 03, 2021 by Francisco Giordano
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CHANGELOG.md CHANGELOG.md +4 -0

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 # Changelog

+## Unreleased
+
+ * `ERC721`: made `_approve` an internal function (was private).
+
 ## 3.4.0 (2021-02-02)

 * `BeaconProxy`: added new kind of proxy that allows simultaneous atomic upgrades. ([#2411](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2411))