On May 23rd, NixOS 25.05 was officially released ( nixos.org/blog/announcements/2025/nixos-2505/), making version 24.11 deprecated.

I’ve therefore updated my configuration and the template I published, creating two branches in my repository another_nixos_configurations_template:

  • 24.11 branch containing the working template for version 24.11
  • 25.05 branch where I’ve made the necessary changes to build with version 25.05 and where I’ll continue developing the template

The master branch will be aligned with the template for the latest NixOS version, merging from the corresponding branch (so at this moment it’s a merge from the 25.05 branch).

I’m particularly interested in this upgrade, as it gave me the opportunity to experience how to update to a major NixOS version. Moreover, I can’t help but be pleased since 25.05 includes in production my Pull Request that was accepted a week ago for the Catppuccin theme for Plymouth! You can read more about it in my article My First NixOS Contribution.

Stay tuned for more updates as I continue exploring NixOS 25.05’s new features!

Thanks for reading.