CUE
@cuelang.org
Official account of the CUE language. Validate, define, and use dynamic and text-based data.
#cuelang
https://cuelang.org/
#cuelang
https://cuelang.org/
Make GitHub Actions, and the rest of your CI/CD and workflow stack, more powerful with type safety, validation, reusability, and policy enforcement using CUE!
How? Easy - check out this hands-on demo from our community member @rawkode.dev:
www.youtube.com/watch?v=MFtQ...
How? Easy - check out this hands-on demo from our community member @rawkode.dev:
www.youtube.com/watch?v=MFtQ...
Replace Your GitHub Actions YAML with CUE
YouTube video by Rawkode Academy
www.youtube.com
December 10, 2025 at 4:09 PM
Make GitHub Actions, and the rest of your CI/CD and workflow stack, more powerful with type safety, validation, reusability, and policy enforcement using CUE!
How? Easy - check out this hands-on demo from our community member @rawkode.dev:
www.youtube.com/watch?v=MFtQ...
How? Easy - check out this hands-on demo from our community member @rawkode.dev:
www.youtube.com/watch?v=MFtQ...
Missed Tuesday's Community Call? We've got you covered. The recording, transcript, and slides are now online: github.com/cue-lang/cue...
December 4, 2025 at 5:06 PM
Missed Tuesday's Community Call? We've got you covered. The recording, transcript, and slides are now online: github.com/cue-lang/cue...
🔈 Starting in ≈60 minutes at 1600 UTC - our last Community Call before the end of 2025. You can find the agenda and call-in details here: github.com/cue-lang/cue...
2025-12-02 CUE Community Update · cue-lang cue · Discussion #4193
We are excited to announce our next CUE Community Update, on Tuesday, December 02, 2025 at 1600 UTC. Agenda CUE Labs launch and the Configuration Control Plane Release Updates Evaluator updates, in...
github.com
December 2, 2025 at 2:59 PM
🔈 Starting in ≈60 minutes at 1600 UTC - our last Community Call before the end of 2025. You can find the agenda and call-in details here: github.com/cue-lang/cue...
Missed our deep dive on the CUE LSP?
No worries - we re-recorded the demo! See how to bring CUE's logic engine into your editor with instant validation, error-checking, and rich language features as you type.
Watch here: youtu.be/4bVddevVK9c
No worries - we re-recorded the demo! See how to bring CUE's logic engine into your editor with instant validation, error-checking, and rich language features as you type.
Watch here: youtu.be/4bVddevVK9c
The "Shift-Left" Editor: A CUE LSP Deep Dive
YouTube video by cuelang
youtu.be
December 1, 2025 at 6:03 PM
Missed our deep dive on the CUE LSP?
No worries - we re-recorded the demo! See how to bring CUE's logic engine into your editor with instant validation, error-checking, and rich language features as you type.
Watch here: youtu.be/4bVddevVK9c
No worries - we re-recorded the demo! See how to bring CUE's logic engine into your editor with instant validation, error-checking, and rich language features as you type.
Watch here: youtu.be/4bVddevVK9c
Our next CUE Community Call is on Tuesday, Dec 2, at 1600 UTC. Join us to talk configuration, what’s coming next for CUE, and the direction for the weeks ahead.
Find all the details here: github.com/cue-lang/cue...
Find all the details here: github.com/cue-lang/cue...
2025-12-02 CUE Community Update · cue-lang cue · Discussion #4193
We are excited to announce our next CUE Community Update, on Tuesday, December 02, 2025 at 1600 UTC. Agenda updated in the upcoming days. If there is any topic you are interested in, please let us ...
github.com
November 26, 2025 at 3:06 PM
Our next CUE Community Call is on Tuesday, Dec 2, at 1600 UTC. Join us to talk configuration, what’s coming next for CUE, and the direction for the weeks ahead.
Find all the details here: github.com/cue-lang/cue...
Find all the details here: github.com/cue-lang/cue...
📣 We have just released #cuelang v0.15.1 - including multiple fixes for the evaluator and the LSP 🎉
Release v0.15.1 · cue-lang/cue
Evaluator
Fix an evalv3 regression first introduced in v0.11.0 where the and built-in function started evaluating its arguments too eagerly, causing failures in cue def.
Fix an evalv3 regression wh...
github.com
November 21, 2025 at 12:01 PM
📣 We have just released #cuelang v0.15.1 - including multiple fixes for the evaluator and the LSP 🎉
🚀 In about an hour, we’re doing a technical deep dive and live demo of the “Shift-Left” editor (CUE LSP). Join us here at 1600UTC: github.com/cue-lang/cue...
The "Shift-Left" Editor: A CUE LSP Deep Dive · cue-lang cue · Discussion #4179
We are excited to announce our next CUE community event, on Tuesday November 18, 2025 at 1600 UTC. Agenda This session is a technical deep dive focused on the CUE developer workflow. The main event...
github.com
November 18, 2025 at 3:03 PM
🚀 In about an hour, we’re doing a technical deep dive and live demo of the “Shift-Left” editor (CUE LSP). Join us here at 1600UTC: github.com/cue-lang/cue...
📣 Meet the "Shift-Left" Editor.
Join us next Tuesday, Nov 18, at 16:00 UTC for a hands-on demo of the new CUE LSP. Get real-time validation, error-checking and language features as you type - right inside your editor.
Learn more + call in details: github.com/cue-lang/cue...
Join us next Tuesday, Nov 18, at 16:00 UTC for a hands-on demo of the new CUE LSP. Get real-time validation, error-checking and language features as you type - right inside your editor.
Learn more + call in details: github.com/cue-lang/cue...
The "Shift-Left" Editor: A CUE LSP Deep Dive · cue-lang cue · Discussion #4179
We are excited to announce our next CUE community event, on Tuesday November 18, 2025 at 1600 UTC. Agenda This session is a technical deep dive focused on the CUE developer workflow. The main event...
github.com
November 13, 2025 at 5:55 PM
📣 Meet the "Shift-Left" Editor.
Join us next Tuesday, Nov 18, at 16:00 UTC for a hands-on demo of the new CUE LSP. Get real-time validation, error-checking and language features as you type - right inside your editor.
Learn more + call in details: github.com/cue-lang/cue...
Join us next Tuesday, Nov 18, at 16:00 UTC for a hands-on demo of the new CUE LSP. Get real-time validation, error-checking and language features as you type - right inside your editor.
Learn more + call in details: github.com/cue-lang/cue...
Join us in twenty minutes for the v0.15 Office Hours session - come ask any questions about the release and ongoing #cuelang work! meet.google.com/iya-qiii-imn
November 7, 2025 at 4:09 PM
Join us in twenty minutes for the v0.15 Office Hours session - come ask any questions about the release and ongoing #cuelang work! meet.google.com/iya-qiii-imn
🚀 Missed our launch event with @kelseyhightower.com? No worries, the recording is now live: youtu.be/LleBb8LtQ8M
Curious how the Configuration Control Plane fits into your setup? Book one our limited office hours: cal.com/team/cue/con...
Curious how the Configuration Control Plane fits into your setup? Book one our limited office hours: cal.com/team/cue/con...
CUE Labs Launch Event with Kelsey Hightower: Explore Our Configuration Control Plane
YouTube video by cuelang
youtu.be
November 7, 2025 at 11:40 AM
🚀 Missed our launch event with @kelseyhightower.com? No worries, the recording is now live: youtu.be/LleBb8LtQ8M
Curious how the Configuration Control Plane fits into your setup? Book one our limited office hours: cal.com/team/cue/con...
Curious how the Configuration Control Plane fits into your setup? Book one our limited office hours: cal.com/team/cue/con...
And tomorrow at 16:30 UTC @mvdan.cc will be hosting a v0.15 Office Hours session, where you can come and ask any questions you might have about the release and ongoing work!
Find the event in our community calendar (cuelang.org/s/community-...), or join via: meet.google.com/iya-qiii-imn
Find the event in our community calendar (cuelang.org/s/community-...), or join via: meet.google.com/iya-qiii-imn
📣 We have just released #cuelang v0.15.0 - introducing the CUE LSP, two new language experiments, and much, much more 🎉
Release v0.15.0 · cue-lang/cue
Changes which may break some users are marked below with: ⚠️
Note that this release no longer includes a checksums.txt asset; GitHub now provide digests natively.
LSP
This release includes the init...
github.com
November 6, 2025 at 5:16 PM
And tomorrow at 16:30 UTC @mvdan.cc will be hosting a v0.15 Office Hours session, where you can come and ask any questions you might have about the release and ongoing work!
Find the event in our community calendar (cuelang.org/s/community-...), or join via: meet.google.com/iya-qiii-imn
Find the event in our community calendar (cuelang.org/s/community-...), or join via: meet.google.com/iya-qiii-imn
📣 We have just released #cuelang v0.15.0 - introducing the CUE LSP, two new language experiments, and much, much more 🎉
Release v0.15.0 · cue-lang/cue
Changes which may break some users are marked below with: ⚠️
Note that this release no longer includes a checksums.txt asset; GitHub now provide digests natively.
LSP
This release includes the init...
github.com
November 6, 2025 at 1:20 PM
📣 We have just released #cuelang v0.15.0 - introducing the CUE LSP, two new language experiments, and much, much more 🎉
Final call! 📣
Join us with @kelseyhightower.com tomorrow, Tuesday, Nov 4, at 17:00 UTC to explore the future of configuration with our Configuration Control Plane, and turn configuration from a source of risk into a source of reliability!
Register here: luma.com/ysloofz3
Join us with @kelseyhightower.com tomorrow, Tuesday, Nov 4, at 17:00 UTC to explore the future of configuration with our Configuration Control Plane, and turn configuration from a source of risk into a source of reliability!
Register here: luma.com/ysloofz3
CUE Labs launch event with Kelsey Hightower · Zoom · Luma
Configuration chaos is a multi-billion-dollar blind spot. But imagine a world where configuration isn't a source of fear, but a source of reliability. A world…
luma.com
November 3, 2025 at 3:50 PM
Final call! 📣
Join us with @kelseyhightower.com tomorrow, Tuesday, Nov 4, at 17:00 UTC to explore the future of configuration with our Configuration Control Plane, and turn configuration from a source of risk into a source of reliability!
Register here: luma.com/ysloofz3
Join us with @kelseyhightower.com tomorrow, Tuesday, Nov 4, at 17:00 UTC to explore the future of configuration with our Configuration Control Plane, and turn configuration from a source of risk into a source of reliability!
Register here: luma.com/ysloofz3
Big news: We’re thrilled to officially announce CUE Labs, the company behind CUE, founded by creator @mpvl.io and @myitcv.io.
CUE Labs provides the dedicated stewardship and resources accelerating CUE's open source development and ensuring its long-term, stable future.
cue.dev/blog/announc...
CUE Labs provides the dedicated stewardship and resources accelerating CUE's open source development and ensuring its long-term, stable future.
cue.dev/blog/announc...
A World Without Configuration Chaos: The Configuration Control Plane
Imagine a world where you can answer, with absolute confidence, the critical question: “What is the full impact of this change?”
A world where configuration isn’t a source of fear, but a source of rel...
cue.dev
October 30, 2025 at 11:40 AM
Big news: We’re thrilled to officially announce CUE Labs, the company behind CUE, founded by creator @mpvl.io and @myitcv.io.
CUE Labs provides the dedicated stewardship and resources accelerating CUE's open source development and ensuring its long-term, stable future.
cue.dev/blog/announc...
CUE Labs provides the dedicated stewardship and resources accelerating CUE's open source development and ensuring its long-term, stable future.
cue.dev/blog/announc...
📣 We have just released #cuelang v0.15.0-rc.1 - including support for find-references and rename in the LSP 🎉
Release v0.15.0-rc.1 · cue-lang/cue
Changes which may break some users are marked below with: ⚠️
Note that this release no longer includes a checksums.txt asset; GitHub now provide digests natively.
cmd/cue
cue mod resolve gains a --...
github.com
October 29, 2025 at 2:38 PM
📣 We have just released #cuelang v0.15.0-rc.1 - including support for find-references and rename in the LSP 🎉
📣 We have just released CUE v0.15.0-alpha.3 - featuring the `aliasv2` experiment, initial support for exporting to JSON Schema, and many fixes 🎉
Release v0.15.0-alpha.3 · cue-lang/cue
Changes which may break some users are marked below with: ⚠️
Evaluator
aliasv2 experiment
⚠️ The self experiment introduced in v0.15.0-alpha.2 has been renamed to aliasv2, to fully implement the Po...
github.com
October 22, 2025 at 12:29 PM
📣 We have just released CUE v0.15.0-alpha.3 - featuring the `aliasv2` experiment, initial support for exporting to JSON Schema, and many fixes 🎉
Reposted by CUE
Been playing around with @cuelang.org and building a new home automation system to control my lighting and written up first post about the project still loads of other content to write though!
Big thanks to @myitcv.io @rog.bsky.social @mvdan.cc for all there help
aran.dev/posts/cue/us...
Big thanks to @myitcv.io @rog.bsky.social @mvdan.cc for all there help
aran.dev/posts/cue/us...
October 18, 2025 at 11:54 AM
Been playing around with @cuelang.org and building a new home automation system to control my lighting and written up first post about the project still loads of other content to write though!
Big thanks to @myitcv.io @rog.bsky.social @mvdan.cc for all there help
aran.dev/posts/cue/us...
Big thanks to @myitcv.io @rog.bsky.social @mvdan.cc for all there help
aran.dev/posts/cue/us...
📣 We have just released #cuelang v0.14.2 - fixing an unintended evalv2 regression, and backporting two other fixes 🎉
Release v0.14.2 · cue-lang/cue
Evaluator
Fix an unintended evalv2 regression in v0.14.1; the change only intended to affect evalv3.
Fix a panic in the parser which could occur when @experiment() file attributes are invalid.
Fix ...
github.com
October 10, 2025 at 1:42 PM
📣 We have just released #cuelang v0.14.2 - fixing an unintended evalv2 regression, and backporting two other fixes 🎉
📣 We have just released #cuelang v0.15.0-alpha.2 - introducing the "self" experiment, LSP support for standalone files, and many fixes 🎉
Release v0.15.0-alpha.2 · cue-lang/cue
Changes which may break some users are marked below with: ⚠️
Evaluator
self experiment
The self experiment enables a new "self" predeclared identifier, which refers to the innermost surrounding str...
github.com
October 9, 2025 at 10:00 AM
📣 We have just released #cuelang v0.15.0-alpha.2 - introducing the "self" experiment, LSP support for standalone files, and many fixes 🎉
Missed last week’s Community Update? Catch up with the full recording, including an extensive demo of the LSP. www.youtube.com/watch?v=yTRq...
CUE Community Update (from Sept 18, 2025)
YouTube video by cuelang
www.youtube.com
September 24, 2025 at 12:02 PM
Missed last week’s Community Update? Catch up with the full recording, including an extensive demo of the LSP. www.youtube.com/watch?v=yTRq...
A reminder that in just under two hours (1400 UTC) we will be holding our CUE Community update
bsky.app/profile/cuel...
bsky.app/profile/cuel...
🚀 Join us for our next CUE Community Update on Thursday, Sept 18 at 1400 UTC. We'll be sharing updates on the evaluator, cue lsp, the Central Registry and much more.
You can find the full agenda and call link here: github.com/cue-lang/cue...
Looking forward to seeing both new and familiar faces!
You can find the full agenda and call link here: github.com/cue-lang/cue...
Looking forward to seeing both new and familiar faces!
2025-09-18 CUE Community Update · cue-lang cue · Discussion #4053
We are excited to announce our next CUE Community Update, on Thursday September 18, 2025 at 1400 UTC. Agenda Release updates Evaluator updates, including performance improvements Encodings Central ...
github.com
September 18, 2025 at 12:05 PM
A reminder that in just under two hours (1400 UTC) we will be holding our CUE Community update
bsky.app/profile/cuel...
bsky.app/profile/cuel...
🚀 Join us for our next CUE Community Update on Thursday, Sept 18 at 1400 UTC. We'll be sharing updates on the evaluator, cue lsp, the Central Registry and much more.
You can find the full agenda and call link here: github.com/cue-lang/cue...
Looking forward to seeing both new and familiar faces!
You can find the full agenda and call link here: github.com/cue-lang/cue...
Looking forward to seeing both new and familiar faces!
2025-09-18 CUE Community Update · cue-lang cue · Discussion #4053
We are excited to announce our next CUE Community Update, on Thursday September 18, 2025 at 1400 UTC. Agenda Release updates Evaluator updates, including performance improvements Encodings Central ...
github.com
September 16, 2025 at 4:12 PM
🚀 Join us for our next CUE Community Update on Thursday, Sept 18 at 1400 UTC. We'll be sharing updates on the evaluator, cue lsp, the Central Registry and much more.
You can find the full agenda and call link here: github.com/cue-lang/cue...
Looking forward to seeing both new and familiar faces!
You can find the full agenda and call link here: github.com/cue-lang/cue...
Looking forward to seeing both new and familiar faces!
Reposted by CUE
🚀 A reminder that in just over an hour we will be holding office hours to discuss what a potential `cue cmd` v2 might look like. Please see github.com/cue-lang/cue... for more details, including the Meet link to join!
Analysis: cue cmd v2: cue cmd analysis · cue-lang cue · Discussion #4081
For many users, cue cmd is where CUE really "clicks": declarative workflows that act as the perfect glue between data, logic, control flow, and code. We’ve been gathering feedback, bugs, and featur...
github.com
September 11, 2025 at 12:55 PM
🚀 A reminder that in just over an hour we will be holding office hours to discuss what a potential `cue cmd` v2 might look like. Please see github.com/cue-lang/cue... for more details, including the Meet link to join!
📣 We have just released CUE v0.15.0-alpha.1 - removing the old evaluator, adding the `explicitopen` language experiment, and introducing `cue lsp` 🎉
Release v0.15.0-alpha.1 · cue-lang/cue
This release removes the old evalv2 evaluator, adds the explicitopen language experiment, and introduces an initial version of cue lsp.
Changes which may break some users are marked below with: ⚠️
...
github.com
September 11, 2025 at 12:26 PM
📣 We have just released CUE v0.15.0-alpha.1 - removing the old evaluator, adding the `explicitopen` language experiment, and introducing `cue lsp` 🎉
🚀 "cue cmd" and declarative workflows are where CUE really “clicks” for many users. We’re exploring what a v2 could/should look like and want your feedback. Office hours on Thu 11 Sep 2025, 14:00 UTC. More details in the discussion linked below
github.com/cue-lang/cue...
github.com/cue-lang/cue...
cue cmd v2: office hours · cue-lang cue · Discussion #4080
We are excited to announce Office Hours as part of our analysis on cue cmd v2 on Thursday September 11, 2025 at 14:00 UTC. Agenda What is cue cmd? What can it do today? What could/should cue cmd v2...
github.com
September 9, 2025 at 5:12 PM
🚀 "cue cmd" and declarative workflows are where CUE really “clicks” for many users. We’re exploring what a v2 could/should look like and want your feedback. Office hours on Thu 11 Sep 2025, 14:00 UTC. More details in the discussion linked below
github.com/cue-lang/cue...
github.com/cue-lang/cue...