Download & Release Notes | Docs Unity 2021.3 is now available as the latest LTS version on the download page and in the Unity Hub. Check out our blog post and webpage for a high-level overview, or the Unity Documentation for all the details about what’s included in this release, and have a look at the upgrade guides to help you go from Unity 2019 LTS or 2020 LTS to Unity 2021 LTS. For complex productions with a high number of dependencies, find out how Unity Support and Services can help make the upgrade process easier. Remember to back up your projects before opening them in a new version of Unity. If you encounter any issues, please let us know by submitting a bug report so it can reach our developers. If you have any questions related to 2021.3, please feel free to ask them in this thread and we will do our best to follow up on them.