Release 2025_045 (2025-12-01)

Impact

25.11

None, this is an initial release of a new platform version. No existing customer machines are upgraded automatically.

NixOS 25.11 platform

This is the initial production release of the 25.11 platform. As of December 1, 2025 it became the default release for new VMs. The 25.05 platform is still maintained until December 31, 2025. To continue receiving security updates, please update to 25.11 soon.

See Platform Upgrades & What’s New for things to consider before upgrading, breaking and significant changes and new package versions.

Documentation

Detailed Changes