CUE

Release v0.14.0 · cue-lang/cue This release brings significant performance improvements, three language changes, and initial support for Kubernetes CRDs. Changes which may break some users are marked below with: ⚠️ Evaluator Per...

📣 We have just released CUE v0.14.0 - bringing significant performance improvements, three language changes, and initial support for Kubernetes CRDs 🎉

Release v0.14.0-rc.2 · cue-lang/cue This release brings more fixes in preparation for the final release. Evaluator The recent optimizations caused three regressions in the form of panics, as reported by users testing v0.14.0-rc.1; th...

📣 We have just released CUE v0.14.0-rc.2 - bringing more fixes in preparation for the final release 🎉

Release v0.14.0-rc.1 · cue-lang/cue This release brings another significant speed-up for the new evaluator, as well as other fixes aiming for the final release. Evaluator A portion of the new closedness algorithm, which was observed ...

📣 We have just released CUE v0.14.0-rc.1 - bringing another significant speed-up for the new evaluator, as well as other fixes aiming for the final release 🎉

Release v0.14.0-alpha.2 · cue-lang/cue This release brings many evaluator performance improvements, as well as initial support for Kubernetes CRDs. Evaluator Further performance improvements were made to the new closedness implementatio...

📣 We have just released CUE v0.14.0-alpha.2 - bringing many evaluator performance improvements, as well as initial support for Kubernetes CRDs 🎉

Release v0.14.0-alpha.1 · cue-lang/cue This release introduces a new error builtin, two language changes, and many fixes and optimizations for the new closedness algorithm. Changes which may break some users are marked below with: ⚠️ Ev...

📣 We have just released CUE v0.14.0-alpha.1 - introducing a new "error" builtin, two language changes, and many fixes and optimizations for the new closedness algorithm 🎉

Release v0.13.2 · cue-lang/cue Evaluator Fix a regression causing odd number of disjuncts to misbehave in some cases. Full list of changes since v0.13.1 internal/cueversion: bump for v0.13.2 by @mvdan in cfdcbe5 internal/core/...

📣 We have just released CUE v0.13.2 - backporting an evaluator fix for disjunctions 🎉

YouTube video by cuelang CUE Community Update (from June 05, 2025)

Did you miss last week's Community Call? No worries, you can find the recording here: youtu.be/2QdHJ4TkRl8

We've covered the evaluator, lsp, Central Registry (inc how to use it without authn) and much more!

Release v0.13.1 · cue-lang/cue Evaluator The evaluator's core packages no longer depend on the golang.org/x/mod module, which was only used to format version strings. Fix a regression causing "cyclic field to reference" in some ...

📣 We have just released CUE v0.13.1 - including three evaluator regression fixes, and fixing a build error on the upcoming Go 1.25 🎉

2025-06-05 CUE Community Update · cue-lang cue · Discussion #3951 We are excited to announce our next CUE Community Update, on Thursday June 5, 2025 at 1400 UTC. Agenda Release updates Update evaluator: Defaults & performance improvements Encoding Central Registr...

📣 Our Community Update is happening today, June 5 at 1400 UTC! We'll cover updates on the new evaluator, Central Registry, LSP and much more!

All the details: github.com/cue-lang/cue...

2025-06-05 CUE Community Update · cue-lang cue · Discussion #3951 We are excited to announce our next CUE Community Update, on Thursday June 5, 2025 at 1400 UTC. Agenda Release updates Update evaluator: Defaults & performance improvements Encoding Central Registr...

📣 We are excited to announce our next CUE Community Update, on Thursday June 5, 2025 at 1400 UTC.

💬 Got topics you'd like to see discussed? Reply to the discussion below!

Release v0.13.0 · cue-lang/cue This release finally enables the new evaluator by default -- the culmination of over a year's worth of work! It also packs in lots of new features, such as support for absolute module packages, doz...

📣 We have just released CUE v0.13.0 - culminating a year's worth of work to enable the new evaluator by default 🎉

It also packs in lots of new features, such as support for absolute module packages, dozens of JSON Schema improvements, and a new experimental XML encoding.

Release v0.13.0-rc.1 · cue-lang/cue This release adds further fixes to the new evaluator, and speeds up the CLI when there are many inputs. Changes which may break some users are marked below with: ⚠️ Evaluator The new evaluator is i...

📣 We have just released CUE v0.13.0-rc.1 - with further fixes to the new evaluator, and speeding up the CLI with many inputs 🎉

github.com/cue-lang/cue...

We plan to do v0.13.0 next week, so please test out this release and report any issues with the new evaluator, which is now on by default!

mailrules.cue A Cue generator for all my Fastmail rules.

In a fit of sleep-deprived procrastination, I made a generator for Fastmail rules using cuelang.org.

Really fun! Exported as JSON, iterated in validation mode until I had a strict Cue definition, added templating to make a DSL, imported generated JSON.

Manual export/import "APIs" are underrated.

Release v0.13.0-alpha.4 · cue-lang/cue This release adds further fixes and optimizations to the new evaluator, and introduces an experimental XML encoding for CUE. Changes which may break some users are marked below with: ⚠️ Evaluator T...

📣 We have just released CUE v0.13.0-alpha.4 - with further fixes and optimizations for the new evaluator, and introducing an experimental XML encoding 🎉

2025-04-15 CUE Community Update · cue-lang cue · Discussion #3878 We are excited to announce our next CUE Community Update, on Tuesday, April 15, 2025 at 1400 UTC. Agenda Release updates Update evaluator: Defaults & performance improvements Encoding Central Regis...

Missed Tuesday's community call? No worries - you can find a recording and the slides here: github.com/cue-lang/cue...

In roughly 45 minutes, we'll start our Community Call! If you have the time – feel free to drop by. Looking forward to a productive and vibrant session 🚀

2025-04-15 CUE Community Update · cue-lang cue · Discussion #3878 We are excited to announce our next CUE Community Update, on Tuesday, April 15, 2025 at 1400 UTC. Agenda Release updates Update evaluator: Defaults & performance improvements Encoding Central Regis...

🔈Tomorrow, April 15, at 14:00 UTC is our next Community Update call: github.com/cue-lang/cue...
We've a full agenda and will also discuss curated modules. Learn how to easily validate services like GitHub Actions, Kubernetes, GitLab CI/CD Pipelines, and more with CUE modules!

With cuelang.org being a good starting point, please feel free to also join our discord cuelang.org/s/discord and/or slack cuelang.org/s/slack for lots of community discussions and support around CUE.

🚀

Release v0.12.1 · cue-lang/cue Evaluator Embedding binary files like @embed(file="foo", type=binary) no longer interprets the files as Unicode text, which mangled invalid UTF-8 bytes. cmd/cue The release archives are now built w...

📣 We have just released CUE v0.12.1 - backporting a fix for embedding binary files, and rebuilding with Go 1.24 to fix "cue get go" 🎉

github.com/cue-lang/cue...

Day 2 of #KubeCon London! Join us at booth S761, right next to the CNCF Store. Come by, talk to us, check out a demo, or get a hat. We're looking forward to meeting you🚀

We're ready! #KubeCon and #CloudNativeCon – Join us at our booth (next to CNCF corner store) to check out the Central Registry and curated schemas for GitHub, GitLab, Kubernetes, Azure – Looking forward to seeing you!

Release v0.13.0-alpha.3 · cue-lang/cue This release fixes a handful of bugs in the new evaluator and its Go API. Evaluator The new evaluator, now enabled by default since v0.13.0-alpha.2, is improved to fix regressions in OpenAPI, our C...

📣 We have just released CUE v0.13.0-alpha.3 - with more bug fixes to the new evaluator, which was switched on by default in the last alpha 🎉

github.com/cue-lang/cue...

🔈 #KubeCon London opens in 2 days! Will you be there? Let us know: forms.gle/L62aiNHc1R8t... - we’ll save you a cool CUE cap. We’re bringing lots of updates & demos: If you use GitHub Actions, Azure, GitLab, Argo, Buildkite, or K8s, our CUE content can simplify your workflow. Can’t wait! 🚀

Release v0.13.0-alpha.2 · cue-lang/cue This release enables the new evalv3 evaluator by default, and introduces initial support for absolute packages. Changes which may break some users are marked below with: ⚠️ Evaluator ⚠️ The new eva...

📣 We have just released CUE v0.13.0-alpha.2 - with the new `evalv3` evaluator enabled by default, and initial support for absolute packages 🎉

github.com/cue-lang/cue...

We will be at #KubeCon London April 2-4th 🚀 You too?

Visit us at our booth, meet the team, chat about everything CUE and check out our Central Registry. Let us know if you will be around and we make sure a CUE caps awaits you: forms.gle/JbQ7jvLWBVL6...

Release v0.13.0-alpha.1 · cue-lang/cue This release brings a new cue trim algorithm, a performance fix for field ordering, two new commands, and many fixes. Changes which may break some users are marked below with: ⚠️ Evaluator A great ...

📣 We have just released CUE v0.13.0-alpha.1 - bringing a new `cue trim` algorithm, a performance fix for field ordering, two new commands, and many fixes 🎉

github.com/cue-lang/cue...

Our Community Update will start today at 1500 UTC, in less than 5 hours from now.

We'll talk about our roadmap, evaluator updates, CUErated modules and more: github.com/cue-lang/cue...

2025-02-27 CUE Community Update · cue-lang cue · Discussion #3766 We are excited to announce the first CUE Community Update of 2025, on Thursday, Feb 27, 2025 at 1500 UTC. Agenda Will be added in the upcoming week. If there is any topic you are interested in, ple...

Our first Community Update of 2025 will be in just two days. Join us on Thursday, Feb 27, 1500 UTC for a thorough update on all things CUE.

More details here: github.com/cue-lang/cue...

2025-02-27 CUE Community Update · cue-lang cue · Discussion #3766 We are excited to announce the first CUE Community Update of 2025, on Thursday, Feb 27, 2025 at 1500 UTC. Agenda Will be added in the upcoming week. If there is any topic you are interested in, ple...

We're excited to announce our first Community Update of 2025. Please join us next week on Thursday, Feb 27, 1500 UTC. Find the call-in details and more here: github.com/cue-lang/cue...

Looking forward to seeing new and familiar faces. As usual, we will record the call and share it afterwards.