Determinate Systems

Today we're thrilled to announce the launch of our newest offering: Determinate Secure Packages. A drop-in replacement for Nixpkgs, it offers secure, signed, auditable Nix packages for the enterprise, including CVE monitoring and SLA-backed remediation, per-release SBOMs, optional FIPS-compliant builds, packages cached in FlakeHub Cache, cryptographic signing, and more. Link in thread 🔗🧵👇

Next-generation Nix evaluation with WebAssembly and Determinate Nix, Thursday March 19th at 12pm EDT: luma.com/6phax7sd

📣 An hour from now we are kicking off our latest webinar, focused on how WebAssembly support in Determinate Nix is changing what's possible. This webinar features a special guest you won't want to miss! More details and RSVP using the link in thread 🔗🧵👇

Good news for people who like Nix to be really fast (hint: everyone): parallel evaluation is now fully enabled for all Determinate Nix users ❄️ 🚀 🤖 That means faster flake checks, search, and much more. Installation instructions are in our docs 🔗 📦 docs.determinate.systems

@n1ksnut Join us on Thursday March 19th for a webinar on how and why we brought WebAssembly to Nix: luma.com/6phax7sd

Our next webinar is coming up this week on Thursday, March 19th. This time, we're focusing on the exciting new WebAssembly support we announced for Determinate Nix, with a live demo from Determinate Systems co-founder and Nix creator @n1ksnut. Register now to see how Nix and Wasm are coming together to open up new frontiers for critical infrastructure. More details and RSVP using the link in thread 🔗🧵👇

@n1ksnut @rootvc San Francisco Nix happy hour with Determinate Systems and Root Ventures, Wednesday March 11th, 2026: luma.com/onng7h4c

Hang out with us tonight in San Francisco! Come meet @n1ksnut, creator of Nix, chat with other Nix at work users, have a drink courtesy of @rootvc, and see the latest features in Determinate Nix. More details and RSVP using the link in thread 🔗🧵👇

CVE-2026-3731 is now fixed in Determinate Secure Packages, both standard and FIPS variants.

Determinate's NixOS AMIs are now available in AWS GovCloud and AWS European Sovereign Cloud determinate.systems/blog/govcloud-…

Good news! Our Determinate NixOS AMIs are now available in both AWS GovCloud and AWS European Sovereign Cloud 🚀 ❄️ 🎉 We're confident that this will provide an easy win for teams that deploy NixOS but have specific compliance and data residency requirements. Read more in our most recent blog post. Link in thread 🔗🧵👇

San Francisco Nix happy hour with DetSys, @rootvc, and @n1ksnut. More details and RSVP here: luma.com/onng7h4c

San Francisco, we are back this week and hosting another Nix happy hour. This time, with a special guest! Join us for drinks and all things Nix on Wednesday, March 11th from 6pm-8pm. More details and RSVP using the link in thread 🔗🧵👇

Flake schemas make Nix flake output types fundamentally customizable and have arrived in Determinate Nix: determinate.systems/blog/introduci…

And the hits keep coming! Today, we're excited to announce the release of flake schemas in Determinate Nix version 3.17.0. ❄️ 🗺️ 🚀 Schemas make your flake output types fundamentally customizable, enhancing the discoverability of your Nix expressions and improving the interoperability of flakes. In this post, we also tease a future configurable flakes feature as well as a previously top-secret project 🤫 so make sure not to miss this one! Link in thread 🔗🧵👇

Determinate Nix now supports Wasm functions in Nix expressions determinate.systems/blog/builtins-…

Determinate Nix now supports calling WebAssembly (Wasm) functions inside of Nix expressions ❄️ 🕸️ 🚀 In today's blog post, DetSys co-founder and Nix creator Eelco Dolstra provides a deep dive into this path-breaking new feature. The Nix language may never be the same again. Link in thread 🔗🧵👇

Determinate Systems is pushing the boundaries of Nix. WebAssembly enables whole new ways of packaging. Also you can render a sick Mandelbrot set. determinate.systems/blog/builtins-…

This week is by far the most consequential yet for Determinate Nix ❄️ 🚀 We're shipping support for WebAssembly and WASI, provenance information in derivations, and flake schemas. In this blog post, CEO Graham Christensen discusses what's at stake for the future of Nix. determinate.systems/blog/determina…

Yesterday, we hinted at some problems that we’re tackling in Determinate Nix. Over the course of this week, we’ll tell you much more about our solutions: > Enabling you to use WebAssembly (Wasm) in Nix expressions 🕸️ ⚙️ > Making flake outputs more introspectable and extensible with flake schemas ❄️ 🗺️ > Including provenance-related information with Nix derivations 🌱 Stay tuned here and on our blog 📢 📝 determinate.systems/blog