In addition to numerous new and upgraded packages, this release has the following highlights:
- Support is planned until the end of June 2022, handing over to 22.05.
## Highlights {#sec-release-21.11-highlights}
In addition to numerous new and upgraded packages, this release has the following highlights:
- Nix has been updated to version 2.4, reference its [release notes](https://discourse.nixos.org/t/nix-2-4-released/15822) for more information on what has changed. The previous version of Nix, 2.3.16, remains available for the time being in the `nix_2_3` package.