How to apply the patch

Questions & Answers
1

We are using the version “2021.3.3f1”.
I would like to fix the following bug, is there any way to fix it without upgrading Unity?

Thank you.

2

No. This fix requires changes that can not be applied externally. You will need to upgrade to 2021.3.9f1 or above.

3

I’m grateful for your guidance.