Determinate Secure Packages: eliminate CVEs with Determinate. Learn more in our webinar on Thursday, December 11th at 2 pm GMT-3, with @lucperkins.dev telling you about secure, signed Nix packages that you can trust, with CVE patching, security reports, and FIPS compliance. luma.com/bq0phmmf

New Determinate Nix just dropped! No big splashy features in 3.13.2, but still a steady drip of bug fixes and improvements worth checking out. Also please do note that macOS on Intel is no longer supported in DetNix. Back to splashy features soon enough 🚀✨ determinate.systems/blog/changel...

Nix #flakes are one of the most discussed and debated features in the #Nix ecosystem. In this blog post, we cover what they solve, what they don't solve, and the future of the capability in Nix: determinate.systems/blog/nix-fla...

Determinate Nix 3.12.0 is now out and it includes a lovely new utility called `nix nario` that substantially improves the experience of moving #Nix closures between systems. If you're using Nix in your deployment pipelines, you won't want to miss it. determinate.systems/blog/changel...

Calling all #Nix users in Portland, Oregon! Did you know, DetSys has deep roots in the Rose City 🌹? It's time that PDX has its own #NixOS meetup! Join us on Wednesday, Nov 5th for some casual conversation and drinks paid for by Determinate Systems. More info and RSVP here: luma.com/y26rc4mb

NYC, did you hear? We are hosting a #Nix happy hour this week, on Thursday the 23rd, and we want you there! More details and RSVP here: luma.com/a6tle8m4. Space is limited, grab your spot now.

New York City, we are coming your way and would love to hang out! Join us for a happy hour on Thursday, Oct 23rd in Lower Manhattan. We'll provide the drinks, all you have to do is bring your #Nix/#NixOS enthusiasm, questions, and stories. Space is limited so grab your spot now: luma.com/a6tle8m4

We've released Determinate Nix 3.11.3 with minor bug fixes and performance improvements. Are you running the latest version? Simply run `determinate-nixd version` to find out and `sudo determinate-nixd upgrade` if a new version is available. More about Determinate Nix: determinate.systems/nix

Intent to ship: Beginning November 10, 2025, Determinate Systems will no longer ship Determinate Nix Installer and Determinate Nix for macOS on Intel. Details: github.com/DeterminateS...

Determinate is Nix without the drama. Want to be the first to hear about the work we are doing to make Nix more simple, confident, and secure for teams? Sign-up for our once-a-month newsletter here, new issue coming soon! mailchi.mp/909681b61b0f...

Determinate is Nix without the nonsense, and our Discord server is more than 1,000 members strong, focused on how to make Nix more simple, confident, and secure for teams at work. Join us here: determinate.systems/discord

Hey Austin, TX! We'd love the chance to meet you and hang out together at our Nix happy hour. 🗓️ Wednesday Sept 24th, 2025 ⌚️ 5:30pm local time ℹ️ Details and RSVP: luma.com/ty2vgvxw Come say hi 👋, meet other Nix enthusiasts ❄️, have a drink on us 🍻. #Nix #NixOS #Austin #AustinTech

Determinate Nix has been quite the ride so far! In this new post, we recap recent additions like parallel eval, Linux builds on macOS, and lazy trees and tease upcoming features, like configurable flakes and flake schemas, that will open up bold horizons in Nix. determinate.systems/blog/determi...

Calling all #Nix users in Austin! 🎉 DetSys will be in town next week and we'd love to buy you a drink! So, we're hosting a happy hour on Wed Sept 24 at 5:30pm in the South Austin area. More details and RSVP here: luma.com/ty2vgvxw. We look forward to meeting you! #NixOS #AustinTech

Did you hear? We’re building NatSecNix, a private community for professionals in the U.S. and allied nations using Nix in national security. Want to join? Drop an email to natsecnix at determinate dot systems with a quick note about your connection to NatSec and your use of Nix.

⏰ Starting in less than an hour! Join us for a discussion on #Nix flakes in practice: what they solve and why they matter. Learn how flakes impact reproducibility, collaboration, and real-world workflows in Nix and #NixOS. Don’t miss it, get the link to join here: luma.com/995nq98k

❄️ Flakes are one of the most debated parts of #Nix right now. Are they the future, or just extra complexity? 🗓️ Find out tomorrow in a free webinar with Luc Perkins. More info and registration here 👉 luma.com/995nq98k

📬 The next issue of The Determinate Update is almost here! It’s our behind-the-scenes look at how we're advancing #Nix, #NixOS, and reproducible infrastructure at Determinate Systems. Sign up to stay in the loop: mailchi.mp/909681b61b0f...

Did you hear the news? We've begun to introduce parallel evaluation in Determinate #Nix 3.11.1! Currently in developer preview, evaluation times are cut by half or more in some cases. Read all about it and find out how you can opt in here: determinate.systems/blog/changel... #nixos

Intent to ship: focusing the Determinate #Nix Installer on Determinate Nix. Later this year, after tens of millions of successful installs we're sunsetting support for installing upstream Nix with the Determinate Nix Installer. We're making this change to focus on the best Nix experience we can.

Curious (or skeptical) about flakes in #nixos? In our next webinar on Sept 16th, Luc Perkins explains what #nix flakes solve, where they shine, and the trade-offs you need to know. Register now, for free 👉 luma.com/995nq98k

NixCon peeps: Want parallel evaluation? lazy trees? Want to hang with Cole, Cole, and Eelco? We're posted up in Building 1 to help answer questions and get you setup with Determinate Nix!

"We're all about those flakes, 'bout those flakes, no channels." Want to know why? Join our next webinar on Sept 16th, all about #Nix flakes! What they are, why we love them, and how to use them effectively. More info and registration here: luma.com/995nq98k Hope to see you there! #nixos

Parallel evaluation has arrived in Determinate #Nix! The 3.11.1 release brings this eagerly desired feature to an important set of Nix operations, cutting eval times by 2x or more in many cases. Plus we fixed a macOS issue and improved the default flake template. determinate.systems/blog/changel...

Determinate Nix 3.9.0 is out with a brand new feature: build-time flake inputs. Currently in developer preview mode, this new capability improves flake evaluation in many cases. And you can now upgrade Determinate #Nix without being logged into FlakeHub. #NixOS determinate.systems/blog/changel...

Determinate Nix version 3.8.6 is out now and it features a new nix-darwin module for macOS users and a whole bunch of performance enhancements around evaluation, garbage collection, and more. Perhaps a bit more subtle than our last release but don't miss it! determinate.systems/blog/changel...

📣 Lazy trees have now been enabled for all Determinate #Nix users by default. Let us know if you notice the improvement to eval times on your large and mono repos, and of course, let us know if you run into any issues. More on how lazy trees here determinate.systems/blog/changel...

It's here, folks. Determinate Nix version 3.8.4 introduces a native Linux builder for macOS based on its Virtualization framework. Docker images, NixOS systems, and more with no setup means cross-platform Nix like never before. #nix #determinate #macos #linux determinate.systems/blog/changel...

⏰ Last chance to register! Today at 9am PT / 12 pm ET / 17:00 BST, Luc Perkins goes live to show how Determinate Systems runs its whole SDLC on #Nix—from dev boxes to prod. Demos, war stories, pro tips. Grab your spot now or register to get the recording → lu.ma/pslnr81l

Lazy news, everyone 🧑‍🔬! We've made Determinate #Nix MUCH faster: wall time down by 3x or more, disk usage down by 20x or more. And now, we've turned it on for 75% of our users. ...

Ever wonder how Determinate Systems uses #Nix? 🛠️ Join DetSys software engineer Luc Perkins on Tue Jul 29 @ 9am PT / 12 pm ET / 17:00 BST for a live tour of our Nix‑powered SDLC—from dev machines to production 🚀 Secure, reproducible, and fearless. Grab a seat now → lu.ma/pslnr81l

If you're curious about how we at Determinate Systems use Nix to build Determinate Nix, FlakeHub, our CI tools, and more, catch an inside glimpse in our next webinar this upcoming Tuesday, July 29th. More details in the link below. Hope to see you there! lu.ma/pslnr81l

Build for Linux from your Mac. It just works, with Determinate #Nix. Zero config.

Nix at work is a different beast. If you're navigating flakes, builds, CI, security, or macOS challenges, you don’t have to go it alone. We’ve got a Discord. It’s full of people who get it. 👋 Come join us: determinate.systems/discord

We are cooking up another edition of our newsletter, The Determinate Update, and we've got a whole lot to share about our latest work to make Nix more simple, confident, and secure for teams of all sizes. Make sure you get it by joining the list now! mailchi.mp/909681b61b0f...

Determinate Nix v3.8.1 is released, with an important security update for macOS users. All Determinate Nix users on macOS are encouraged to upgrade as soon as possible. Details: determinate.systems/posts/change...

A faster `nix flake check`, improved flake locks, lazy trees rolled out to 20% of users, and some other nice tidbits in Determinate Nix 3.8.0. We are having too much fun over here, seriously. determinate.systems/posts/change...

SELinux? Determinate Nix has you covered.

Breathe: Determinate Nix makes your #Nix rollout easy.

📣 Calling engineering leaders with teams using Nix: Determinate Systems CEO @grahamc.com is going live in 2 hours to show you how Determinate Systems scales Nix across the org with simplicity, security, and confidence. Register now for the live webinar or a link to the recording: lu.ma/748lhhfx

What does it take to scale Nix org-wide without headaches? On July 8th, we’re showing how Determinate Nix makes it happen—simply, securely, and confidently. Register now to join Determinate CEO Graham Christensen for a webinar about the value Determinate brings to Nix at work: lu.ma/748lhhfx

Have you used FlakeHub's pre-evaluated store paths feature? Even when pulling from a cache, Nix still has to resolve the path...unless you are using FlakeHub Cache and fh, the CLI for FlakeHub. More on fast evaluation times with pre-resolved store paths here: determinate.systems/posts/resolv...

Are you running the latest version of Determinate Nix, v3.6.8? Simply run `determinate-nixd version` to find out and `sudo determinate-nixd upgrade` if a new version is available. More info in our docs here: docs.determinate.systems/determinate-...

Determinate Nix v3.6.7 is released, with an important security update. It also brings lazy trees one step closer to general availability. Upgrade now: determinate.systems/posts/change...

FYI: We are preparing to release a coordinated security patch to Determinate Nix at 14:00UTC. More details to come.

Reproducible CI environments have always been one of Nix's core use cases. And so we're happy to announce that FlakeHub now supports the lovely Semaphore CI (to go along with our support for GitHub Actions and GitLab CI). Read more about it in our blog post. determinate.systems/posts/semaph...

📈 Eng leaders: Are you scaling Nix across your org? Join our CEO and renowned Nix expert Graham Christensen for a webinar on how Determinate makes Nix simple, secure, and confident at scale. 🗓️ 24 June at 9am PDT / 12pm EDT / 17:00 BST. Details and registration 👉 lu.ma/748lhhfx

We've got some exciting news: Magic Nix Cache is back! Check out our blog post on how this came to be and who helped us do it: determinate.systems/posts/bringi.... Happy (free) caching! 🎉🙌🚀

🚀 Wondering what it takes to be successful with Nix at enterprise scale? We've done the hard work so you don't have to. Next week, Determinate CEO & Co-founder Graham Christensen will lead a webinar on how Determinate makes Nix more simple, secure, and confident for teams. lu.ma/748lhhfx

Have you tried lazy trees in Determinate Nix? This major feature shipped in preview mode as part of version 3.5.2 and speeds up evaluation while using less disk space. Make sure you're on the latest version of Determinate Nix and give it a try by adding `lazy-trees = true` to your Nix config.