Malicious backdoors Proxies: which version of OpenZeppelin is this fix?

We are using OpenZeppelin 3.4.0 Transparant Upgradeable Proxy.

I found this bug:

Someone knows which version is this fixed?


I'll try to describe what is happening here more precisely as the upgradeable proxy pattern has an intrinsic selector clashing problem, which is detailed in this Medium post, and the transparent upgradeable proxy was introduced to solve this problem.

This article is very old! None of the current versions have this issue, and it's been this way for several years now.