Determinate Systems blog

13 Aug 2026

The CRA will take effect in two stages, with reporting obligations beginning on September 11, 2026. Compliance is likely to be a hurdle for many enterprises, but we're confident that Nix and

5 Aug 2026

Determinate Nix 3.21.9 makes evaluation measurably faster by reusing fetcher cache results, and teaches Determinate Nixd to pick the right trusted cache keys when you point it at FlakeHub's FedRAMP

3 Aug 2026

It's the Rust-native, Nix-aware companion to FlakeBOM that turns SBOMs from a report on what exists on a system into something you can act on

29 Jul 2026

Determinate Nixd now routes FlakeHub Cache requests to the nearest cache node, making substitution faster for most users, especially those outside the United States

17 Jul 2026

An all-and-sundry batch of performance work, a faster \`nix copy\`, multi-threaded store optimization, and speedier binary caches, remote stores, and parallel evaluation, plus some changes to

15 Jul 2026

FlakeHub, our platform providing secure Nix binary caching, private flakes, and more, is now FedRAMP High authorized (Certification Class D under FedRAMP's 2026 Consolidated Rules) listed in the

18 Jun 2026

We're introducing an \`exportedSchemas\` output to provide a more intuitive experience.

15 Jun 2026

Making package cooldowns for Nixpkgs available to all Determinate users by default

12 Jun 2026

Make this your most confident and secure Nixpkgs upgrade yet

11 Jun 2026

It's lightning fast, it provides comprehensive metadata coverage, and it's the perfect complement to Determinate Secure Packages

9 Jun 2026

Checking in on the current state of our supply chain efforts and an initial glance at FlakeBOM

26 May 2026

Nix isn't a magical solution to \*all* supply chain woes but it does offer our industry a fighting chance

25 May 2026

Support for CNSA algorithms, a new \`nix serve\` command, \`fetchTarball\` is now lazy, and more.

8 May 2026

Vital security patches plus some other fun stuff

6 May 2026

Determinate Nix now uploads crash reports to Sentry, enabling Determinate Systems to catch and fix bugs long before they reach your critical systems.

30 Apr 2026

Determinate Secure Packages 25.11 is now generally available, with security maintenance committed through May 2028.

27 Apr 2026

The stars are aligning in unmistakable ways for Nix and we are leading the charge.

7 Apr 2026

An important security update plus some improvements

10 Mar 2026

NixOS AMIs for Determinate are now available in AWS GovCloud and AWS European Sovereign Cloud, providing a better option for teams with strict data residency and regulatory requirements

6 Mar 2026

Determinate Nix now enables you to declare custom flake output types, making flakes more flexible and introspectable than ever

5 Mar 2026

Determinate Nix now supports Wasm functions in Nix expressions, bringing a range of new possibilities to the Nix ecosystem

4 Mar 2026

This updates we're shipping this week are making Determinate Nix a different beast entirely

3 Mar 2026

Unlimited parallel evaluation cores by default, support for authenticating to FlakeHub from Google Cloud Platform, and the usual bevy of fixes and adjustments.

28 Jan 2026

Improvements to nix-darwin, nix-eval-jobs compatibility with Determinate Nix, and some other fun stuff

13 Jan 2026

A secure, signed, SLA-backed variant of Nixpkgs for teams who can't afford supply chain risk

6 Jan 2026

\`fetchTree\` improvements and a new \`builtins.filterAttrs\` function

10 Dec 2025

A new \`nix ps\` command, some prettier output, some flake registry improvements, and other goodies

21 Nov 2025

We bid adieu to Intel Macs and deliver some solid developer experience improvements

19 Nov 2025

Nix flakes are a powerful way to manage inputs and outputs in Nix, designed to bring determinism, reproducibility, and discoverability to the ecosystem.

31 Oct 2025

A fresh new take on distributing software with Nix

23 Sep 2025

Taking a step back to survey the many recent changes in Determinate Nix and to look ahead to much more on the way.

10 Sep 2025

Focusing on our core strength: delivering the best Nix experience we can

5 Sep 2025

Parallel evaluation drastically cuts evaluation time and improves import-from-derivation (IFD) performance.

27 Aug 2025

Determinate Nix introduces a new type of flake input for sources and \`determinate-nixd upgrade\` now works without logging in.

22 Aug 2025

Loads of UX and performance improvements in Determinate Nix, plus a nix-darwin module

5 Aug 2025

A major advance for macOS users and for Nix in cross-platform contexts

12 Jul 2025

Nix users on macOS should upgrade to Determinate Nix 3.8.1 as soon as possible.

11 Jul 2025

Determinate Nix 3.8.0 (based on Nix 2.30) cuts minutes from CI runs, fixes a bug involving flake inputs, and rolls out lazy trees to more users.

4 Jul 2025

Performance and UX improvements across the board, plus lazy-trees rolling out to some users.

24 Jun 2025

Lazy trees are ready to roll out, and an improvement to the sandboxing security.

19 Jun 2025

Adding a powerful, feature-rich, open source CI/CD system to our roster

18 Jun 2025

Support for macOS Tahoe and nearing general availability for lazy trees

13 Jun 2025

A second life for a much-loved freebie

5 Jun 2025

Shell auto-completion scripts for Determinate Nixd, improved installation and garbage collection, more intelligible log messages, and more.

29 May 2025

Our \`determinate-nix-action\` now succeeds on many more self-hosted environments, including Kubernetes-backed CI environments.

28 May 2025

A GitHub Action dedicated to installing Determinate Nix

15 May 2025

This long-awaited feature makes Nix and flakes dramatically more efficient in a wide range of scenarios

6 May 2025

When it comes to sub-optimal constructs, less really is more

16 Apr 2025

JSON logging has the potential to unlock all kinds of ergonomic benefits, starting with hash mismatches but with plenty of room to expand beyond that

24 Mar 2025

Some juicy tidbits from Determinate Systems' first ever webinar