Determinate Systems
@determinate.systems
Bringing Nix ❄️ to the enterprise to empower fearless software delivery 💪 https://determinate.systems
📬 The next issue of The Determinate Update is almost here! It’s our behind-the-scenes look at how we're advancing #Nix and #NixOS at Determinate Systems, from the tools we build to community initiatives we're driving, and more.
🔗 Sign up to stay in the loop: mailchi.mp/909681b61b0f...
🔗 Sign up to stay in the loop: mailchi.mp/909681b61b0f...
The Determinate Update
A newsletter from Determinate Systems about all things DetSys, Nix, and NixOS.
mailchi.mp
February 11, 2026 at 6:19 PM
📬 The next issue of The Determinate Update is almost here! It’s our behind-the-scenes look at how we're advancing #Nix and #NixOS at Determinate Systems, from the tools we build to community initiatives we're driving, and more.
🔗 Sign up to stay in the loop: mailchi.mp/909681b61b0f...
🔗 Sign up to stay in the loop: mailchi.mp/909681b61b0f...
Another DetSys webinar is on its way! On Thursday, February 19th at 12pm EST, tune in to hear our own @lucperkins.dev talk about the work that we're eager to share around Determinate Nix, provenance, SBOMs, and Determinate Secure Packages.
Get all the details and register here: luma.com/m9cu1t59
Get all the details and register here: luma.com/m9cu1t59
Webinar: Provenance and SBOMs with Nix · Zoom · Luma
Join us for our latest webinar to see how Determinate Systems is making software provenance practical with Determinate Nix and Determinate Secure Packages.…
luma.com
February 10, 2026 at 6:02 PM
Another DetSys webinar is on its way! On Thursday, February 19th at 12pm EST, tune in to hear our own @lucperkins.dev talk about the work that we're eager to share around Determinate Nix, provenance, SBOMs, and Determinate Secure Packages.
Get all the details and register here: luma.com/m9cu1t59
Get all the details and register here: luma.com/m9cu1t59
Planet Nix 2026 is just 4 weeks away and we couldn't be more excited to hang with you all! To kick things off we're hosting an open happy hour the evening before the conference on Wednesday, March 4th at 5pm. Open to all but space is limited, so please register: luma.com/vge2y1zk
PlanetNix Happy Hour with Determinate Systems · Luma
Kick off PlanetNix 2026 with drinks, food, and good company the night before the conference. Determinate Systems is hosting an open happy hour for PlanetNix…
luma.com
February 5, 2026 at 4:31 PM
Planet Nix 2026 is just 4 weeks away and we couldn't be more excited to hang with you all! To kick things off we're hosting an open happy hour the evening before the conference on Wednesday, March 4th at 5pm. Open to all but space is limited, so please register: luma.com/vge2y1zk
Good news: FlakeHub (flakehub.com) now supports Okta for authentication 🔐🆔🛡️. Okta is one of the most powerful and widely used auth providers, especially for larger organizations. Onboarding instructions for your org are in the Determinate documentation.
docs.determinate.systems/guides/okta-...
docs.determinate.systems/guides/okta-...
Onboarding with Okta | Determinate Systems
On This Page
docs.determinate.systems
February 3, 2026 at 4:50 PM
Good news: FlakeHub (flakehub.com) now supports Okta for authentication 🔐🆔🛡️. Okta is one of the most powerful and widely used auth providers, especially for larger organizations. Onboarding instructions for your org are in the Determinate documentation.
docs.determinate.systems/guides/okta-...
docs.determinate.systems/guides/okta-...
Determinate Nix users: we are now rolling out parallel evaluation to ALL users as a GA feature. We're setting the default number of cores to 2 and will slowly ramp that up over time, gathering feedback and bug reports along the way. More info here:
docs.determinate.systems/determinate-...
docs.determinate.systems/determinate-...
Get started with Determinate | Determinate Systems
An end-to-end toolchain for using Nix courtesy of Determinate Systems
docs.determinate.systems
January 30, 2026 at 4:38 PM
Determinate Nix users: we are now rolling out parallel evaluation to ALL users as a GA feature. We're setting the default number of cores to 2 and will slowly ramp that up over time, gathering feedback and bug reports along the way. More info here:
docs.determinate.systems/determinate-...
docs.determinate.systems/determinate-...
Determinate Nix 3.15.2 has arrived 🚀❄️! We've made our nix-darwin module a bit more powerful, provided a version of nix-eval-jobs compatible with DetNix, and brought along our usual bevy of minor fixes. This is the one you really want 😎
determinate.systems/blog/changel...
determinate.systems/blog/changel...
Changelog: a more powerful nix-darwin module and more
Improvements to nix-darwin, nix-eval-jobs compatibility with Determinate Nix, and some other fun stuff
determinate.systems
January 29, 2026 at 3:57 PM
Determinate Nix 3.15.2 has arrived 🚀❄️! We've made our nix-darwin module a bit more powerful, provided a version of nix-eval-jobs compatible with DetNix, and brought along our usual bevy of minor fixes. This is the one you really want 😎
determinate.systems/blog/changel...
determinate.systems/blog/changel...
FOSDEM 2026 is this weekend and DetSys software engineer Tristan Ross will be speaking on Saturday about an increasingly important topic in the Nix ecosystem: SBOMs. In person or online, this one is a can't-miss! fosdem.org/2026/schedul...
#fosdem #fosdem2026 #fosdem26
#fosdem #fosdem2026 #fosdem26
FOSDEM 2026 - Describing Nix closures using SBOMs
Nix and Nixpkgs are gaining ever-broader adoption at the same time that SBOMs (Software Bills of Materials) are emerging as a standard format for demonstrating provenance. This talk will argue that…
fosdem.org
January 28, 2026 at 3:36 PM
FOSDEM 2026 is this weekend and DetSys software engineer Tristan Ross will be speaking on Saturday about an increasingly important topic in the Nix ecosystem: SBOMs. In person or online, this one is a can't-miss! fosdem.org/2026/schedul...
#fosdem #fosdem2026 #fosdem26
#fosdem #fosdem2026 #fosdem26
In case you missed it, we announced the release of Determinate Secure Packages earlier this week. 🔐 📦 🎁 🎉
Already an industry-first and game changer for enterprises that rely on Nix, this is just the start of what we are building. 🧵👇 (1/3)
Already an industry-first and game changer for enterprises that rely on Nix, this is just the start of what we are building. 🧵👇 (1/3)
Introducing Determinate Secure Packages
A secure, signed, SLA-backed variant of Nixpkgs for teams who can't afford supply chain risk
determinate.systems
January 17, 2026 at 12:01 AM
In case you missed it, we announced the release of Determinate Secure Packages earlier this week. 🔐 📦 🎁 🎉
Already an industry-first and game changer for enterprises that rely on Nix, this is just the start of what we are building. 🧵👇 (1/3)
Already an industry-first and game changer for enterprises that rely on Nix, this is just the start of what we are building. 🧵👇 (1/3)
On Tuesday we announced Determinate Secure Packages, our first foray beyond infra and tools and into a fully managed supply chain. Today, we want to talk about what makes it a bold departure from just vanilla Nixpkgs and handling security yourself. Read on for more 🔗🧵👇
January 15, 2026 at 9:40 PM
On Tuesday we announced Determinate Secure Packages, our first foray beyond infra and tools and into a fully managed supply chain. Today, we want to talk about what makes it a bold departure from just vanilla Nixpkgs and handling security yourself. Read on for more 🔗🧵👇
(1/3) Yesterday, we made one of our biggest announcements yet: Determinate Secure Packages 📦 ❄️ 🔐. Check out our announcement in case you missed it:
determinate.systems/blog/secure-...
determinate.systems/blog/secure-...
Introducing Determinate Secure Packages
A secure, signed, SLA-backed variant of Nixpkgs for teams who can't afford supply chain risk
determinate.systems
January 14, 2026 at 6:12 PM
(1/3) Yesterday, we made one of our biggest announcements yet: Determinate Secure Packages 📦 ❄️ 🔐. Check out our announcement in case you missed it:
determinate.systems/blog/secure-...
determinate.systems/blog/secure-...
Today we're thrilled to announce Determinate Secure Packages, a drop-in replacement for Nixpkgs offering secure Nix packages for the enterprise, with CVE monitoring and SLA-backed remediation, per-release SBOMs, FIPS compliance, cryptographic signing, and more.
determinate.systems/blog/determi...
determinate.systems/blog/determi...
Introducing Determinate Secure Packages
A secure, signed, SLA-backed variant of Nixpkgs for teams who can't afford supply chain risk
determinate.systems
January 13, 2026 at 6:57 PM
Today we're thrilled to announce Determinate Secure Packages, a drop-in replacement for Nixpkgs offering secure Nix packages for the enterprise, with CVE monitoring and SLA-backed remediation, per-release SBOMs, FIPS compliance, cryptographic signing, and more.
determinate.systems/blog/determi...
determinate.systems/blog/determi...
The software supply chain is on everyone’s mind these days. If you’re an enterprise adopting Nix, that means that Nixpkgs needs to be at the center of your focus. Nixpkgs is a technological marvel, the most comprehensive package source on Earth and the cornerstone of the Nix ecosystem. But...
Sneak peek: Determinate Secure Packages · Zoom · Luma
We've been working on something pretty exciting and we're ready to pull back the curtains a bit. Join us for our next webinar where Luc Perkins will introduce…
luma.com
January 12, 2026 at 7:43 PM
The software supply chain is on everyone’s mind these days. If you’re an enterprise adopting Nix, that means that Nixpkgs needs to be at the center of your focus. Nixpkgs is a technological marvel, the most comprehensive package source on Earth and the cornerstone of the Nix ecosystem. But...
On the twelfth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: a new webinar series in which we announce new products and share our Nix expertise in an effort to smooth your path to adopting Nix on teams and in the enterprise! 🕸️ 📺 🎙️
determinate.systems/webinars
determinate.systems/webinars
Webinars
See what we're up to
determinate.systems
December 24, 2025 at 10:22 PM
On the twelfth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: a new webinar series in which we announce new products and share our Nix expertise in an effort to smooth your path to adopting Nix on teams and in the enterprise! 🕸️ 📺 🎙️
determinate.systems/webinars
determinate.systems/webinars
On the eleventh day of Nixmas ❄️🎄 DetSys gave to thee 🎁: resolved store paths, which enables you to fetch artifacts from FlakeHub Cache without even needing to evaluate the derivation, a huge win on memory-constrained systems! 🤖 🛣️
docs.determinate.systems/flakehub/sto...
docs.determinate.systems/flakehub/sto...
Resolved store paths | Determinate Systems
Fetch artifacts from FlakeHub Cache without evaluating flake references
docs.determinate.systems
December 23, 2025 at 6:04 PM
On the eleventh day of Nixmas ❄️🎄 DetSys gave to thee 🎁: resolved store paths, which enables you to fetch artifacts from FlakeHub Cache without even needing to evaluate the derivation, a huge win on memory-constrained systems! 🤖 🛣️
docs.determinate.systems/flakehub/sto...
docs.determinate.systems/flakehub/sto...
On the tenth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: some crucial deployment helpers for NixOS folks in the form of dedicated Amazon Machine Images (AMIs) for Determinate Nix! 🤖 🖼️
docs.determinate.systems/guides/nixos...
docs.determinate.systems/guides/nixos...
GitHub - DeterminateSystems/nixos-amis
Contribute to DeterminateSystems/nixos-amis development by creating an account on GitHub.
github.com
December 22, 2025 at 6:02 PM
On the tenth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: some crucial deployment helpers for NixOS folks in the form of dedicated Amazon Machine Images (AMIs) for Determinate Nix! 🤖 🖼️
docs.determinate.systems/guides/nixos...
docs.determinate.systems/guides/nixos...
On the ninth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: the `nix ps` command for Determinate Nix, which displays all of Nix’s active builds and child processes in an intuitive and appealing visual format 🎨 🏃
determinate.systems/blog/changel...
determinate.systems/blog/changel...
Changelog: a new command for visualizing active Nix builds and much more
A new `nix ps` command, some prettier output, some flake registry improvements, and other goodies
determinate.systems
December 21, 2025 at 6:01 PM
On the ninth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: the `nix ps` command for Determinate Nix, which displays all of Nix’s active builds and child processes in an intuitive and appealing visual format 🎨 🏃
determinate.systems/blog/changel...
determinate.systems/blog/changel...
On the eighth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: an end to the annoyance of manually fixing hash mismatches in derivations with a `determinate-nixd fix hashes` command that automates that away #️⃣ 🔨
determinate.systems/blog/changel...
determinate.systems/blog/changel...
Changelog: JSON logging, a new experience around hash mismatches, and more
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
determinate.systems
December 20, 2025 at 6:02 PM
On the eighth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: an end to the annoyance of manually fixing hash mismatches in derivations with a `determinate-nixd fix hashes` command that automates that away #️⃣ 🔨
determinate.systems/blog/changel...
determinate.systems/blog/changel...
On the seventh day of Nixmas ❄️🎄 DetSys gave to thee 🎁: the nix nario command in Determinate Nix, a fresh take on distributing closures that's much faster and requires much less RAM than the old nix-store commands! 📦 ⚡
determinate.systems/blog/changel...
determinate.systems/blog/changel...
Changelog: introducing nix nario
A fresh new take on distributing software with Nix
determinate.systems
December 19, 2025 at 6:03 PM
On the seventh day of Nixmas ❄️🎄 DetSys gave to thee 🎁: the nix nario command in Determinate Nix, a fresh take on distributing closures that's much faster and requires much less RAM than the old nix-store commands! 📦 ⚡
determinate.systems/blog/changel...
determinate.systems/blog/changel...
On the sixth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: lazy trees for Determinate Nix, providing faster evaluation and a reduced resource footprint, especially in large repos! 🦥 🌴
determinate.systems/blog/changel...
determinate.systems/blog/changel...
Changelog: introducing lazy trees
This long-awaited feature makes Nix and flakes dramatically more efficient in a wide range of scenarios
determinate.systems
December 18, 2025 at 6:03 PM
On the sixth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: lazy trees for Determinate Nix, providing faster evaluation and a reduced resource footprint, especially in large repos! 🦥 🌴
determinate.systems/blog/changel...
determinate.systems/blog/changel...
On the fifth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: support for @buildkite.bsky.social and @semaphoreio.bsky.social for CI and Okta for federated authentication, substantially broadening FlakeHub’s integration with other platforms 🌍 🪁 🚦 ☁️
December 17, 2025 at 6:02 PM
On the fifth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: support for @buildkite.bsky.social and @semaphoreio.bsky.social for CI and Okta for federated authentication, substantially broadening FlakeHub’s integration with other platforms 🌍 🪁 🚦 ☁️
On the fourth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: parallel evaluation, which dramatically improves the performance of some of the most common Nix operations!
determinate.systems/blog/changel...
determinate.systems/blog/changel...
Parallel evaluation comes to Determinate Nix
Parallel evaluation drastically cuts evaluation time and improves import-from-derivation (IFD) performance.
determinate.systems
December 16, 2025 at 5:03 PM
On the fourth day of Nixmas ❄️🎄 DetSys gave to thee 🎁: parallel evaluation, which dramatically improves the performance of some of the most common Nix operations!
determinate.systems/blog/changel...
determinate.systems/blog/changel...
On the third day of Nixmas ❄️🎄 DetSys gave to thee 🎁: a native Linux builder for Nix users on macOS using the built-in Virtualization framework, delivering much smoother cross-platform workflows!
determinate.systems/blog/changel...
determinate.systems/blog/changel...
Changelog: a native Linux builder for macOS
A major advance for macOS users and for Nix in cross-platform contexts
determinate.systems
December 15, 2025 at 5:03 PM
On the third day of Nixmas ❄️🎄 DetSys gave to thee 🎁: a native Linux builder for Nix users on macOS using the built-in Virtualization framework, delivering much smoother cross-platform workflows!
determinate.systems/blog/changel...
determinate.systems/blog/changel...
On the second day of Nixmas ❄️🎄 DetSys gave to thee 🎁: a dedicated nix-darwin module for Determinate Nix, following through on our enduring commitment to first-class support for macOS!
github.com/DeterminateS...
github.com/DeterminateS...
GitHub - DeterminateSystems/determinate: Determinate is Nix for the enterprise. An end-to-end experience of using Nix, from installation to collaboration to deployment.
Determinate is Nix for the enterprise. An end-to-end experience of using Nix, from installation to collaboration to deployment. - DeterminateSystems/determinate
github.com
December 15, 2025 at 4:27 PM
On the second day of Nixmas ❄️🎄 DetSys gave to thee 🎁: a dedicated nix-darwin module for Determinate Nix, following through on our enduring commitment to first-class support for macOS!
github.com/DeterminateS...
github.com/DeterminateS...
On the first day of Nixmas ❄️🎄 DetSys gave to thee 🎁: Determinate Nix 3.0, a downstream distribution of Nix for enterprise users, with stable flakes, SOC 2 Type II compliance, and more!
determinate.systems/blog/determi...
determinate.systems/blog/determi...
Determinate Nix 3.0
Business-class Nix for critical infrastructure, complete with a flake stability guarantee
determinate.systems
December 13, 2025 at 5:00 PM
On the first day of Nixmas ❄️🎄 DetSys gave to thee 🎁: Determinate Nix 3.0, a downstream distribution of Nix for enterprise users, with stable flakes, SOC 2 Type II compliance, and more!
determinate.systems/blog/determi...
determinate.systems/blog/determi...
Xmas is almost here and all of you are a gift to us 🎁 🥰. So we thought we’d share Determinate Systems’ gifts to you for the 12 Days of Nixmas ❄️🎄. Check back each of the next 12 days, Starting on Saturday, to hear about something we released for the Nix community in 2025. Merry Nixmas!
December 12, 2025 at 7:40 PM
Xmas is almost here and all of you are a gift to us 🎁 🥰. So we thought we’d share Determinate Systems’ gifts to you for the 12 Days of Nixmas ❄️🎄. Check back each of the next 12 days, Starting on Saturday, to hear about something we released for the Nix community in 2025. Merry Nixmas!