Note: Follow the advice in this section in release order. For example, if you need to upgrade your project from 2020 to 2022, read the 2021 upgrade guides to see if there are any changes that you need to make before you read the 2022 upgrade guides.
请访问以下页面了解升级到 Unity 更高版本的信息。
Note: 2021.x & 2022.x Tech release guides have been compiled into the LTS guides. You can still view the version specific guides in their own section of the documentation such as the 2021.2 guide.