Project IDX by Google Uses Nix

Since this involves generative AI and Nix, I wonder to what extent this may be connected with nixified.ai[0] - Quite possibly there is no connection and it's Bard that's performing the generative AI.

>The goal of nixified.ai is to simplify and make available a large repository of AI executable code that would otherwise be impractical to run yourself, due to package management and complexity issues.

[0] https://nixified.ai/

Is this the reason AI assistant disappeared from Colab for me?