# \#release **URL:** https://forum.crystal-lang.org/tag/release/2.md [Latest](https://forum.crystal-lang.org/latest.md) · [Categories](https://forum.crystal-lang.org/categories.md) · [Tags](https://forum.crystal-lang.org/tags.md) --- ## [Marten 0.7 is now available!](https://forum.crystal-lang.org/t/marten-0-7-is-now-available/9124)
**Author:** [@ellmetha](https://forum.crystal-lang.org/u/ellmetha)\ **Replies:** 0\ **Last updated:** [August 29, 2026, 11:38pm UTC](https://forum.crystal-lang.org/t/marten-0-7-is-now-available/9124 "2026-08-29T23:38:17Z")
Hey everyone! :waving\_hand: I’m happy to announce that Marten 0.7 has been officially released! :rocket::tada: TL;DR Marten is a batteries-included Crystal web framework focused on making web application development pr… --- ## [Nest - a shard for simple structured concurrency](https://forum.crystal-lang.org/t/nest-a-shard-for-simple-structured-concurrency/9101)
**Author:** [@yxhuvud](https://forum.crystal-lang.org/u/yxhuvud)\ **Replies:** 1\ **Last updated:** [August 22, 2026, 12:45pm UTC](https://forum.crystal-lang.org/t/nest-a-shard-for-simple-structured-concurrency/9101 "2026-08-22T12:45:14Z")
I just did some final fixes and a proper release of Nest which is an implementation of some parts of structured concurrency that focuses on ease of use and on leveraging existing constructs. It doesn’t try to be a dedica… --- ## [\[ANN\] Kemal Skills v1.12.0.0 released](https://forum.crystal-lang.org/t/ann-kemal-skills-v1-12-0-0-released/9102)
**Author:** [@renich](https://forum.crystal-lang.org/u/renich)\ **Replies:** 9\ **Last updated:** [August 20, 2026, 8:41am UTC](https://forum.crystal-lang.org/t/ann-kemal-skills-v1-12-0-0-released/9102 "2026-08-20T08:41:13Z")
Hello! 0/ I’m pleased to announce the release of kemal-skills v1.12.0.0; a collection of 11 modular, empirically verified development skills (SKILL.md) for building high-performance, secure web applications with Kemal a… --- ## [Croupier, a tasks / dataflow library](https://forum.crystal-lang.org/t/croupier-a-tasks-dataflow-library/5954)
**Author:** [@ralsina](https://forum.crystal-lang.org/u/ralsina)\ **Replies:** 13\ **Last updated:** [August 14, 2026, 7:55pm UTC](https://forum.crystal-lang.org/t/croupier-a-tasks-dataflow-library/5954 "2026-08-14T19:55:35Z")
I posted this on reddit but a comment said the forum was where people are nowadays, so here it is :slight\_smile: I have published the 1st sort-of-feature-complete version of Croupier at GitHub - ralsina/croupier: A libr… --- ## [Crystal 1.21.0 is released!](https://forum.crystal-lang.org/t/crystal-1-21-0-is-released/9064)
**Author:** [@Crys](https://forum.crystal-lang.org/u/Crys)\ **Replies:** 15\ **Last updated:** [July 26, 2026, 5:20pm UTC](https://forum.crystal-lang.org/t/crystal-1-21-0-is-released/9064 "2026-07-26T17:20:11Z")
--- ## [Crystal 1.20.3 is released!](https://forum.crystal-lang.org/t/crystal-1-20-3-is-released/9041)
**Author:** [@Crys](https://forum.crystal-lang.org/u/Crys)\ **Replies:** 0\ **Last updated:** [July 3, 2026, 9:00am UTC](https://forum.crystal-lang.org/t/crystal-1-20-3-is-released/9041 "2026-07-03T09:00:06Z")
--- ## [A basic wrapper around shard](https://forum.crystal-lang.org/t/a-basic-wrapper-around-shard/9030)
**Author:** [@zendrx](https://forum.crystal-lang.org/u/zendrx)\ **Replies:** 6\ **Last updated:** [June 30, 2026, 10:31am UTC](https://forum.crystal-lang.org/t/a-basic-wrapper-around-shard/9030 "2026-06-30T10:31:13Z")
cpm Crystal Package Manager — a tiny wrapper around shards that saves you from hunting URLs. Why I Built This I got tired of this workflow: Want to add kemal to my project Open browser Search “kemal crystal shard” Cli… --- ## [Crystal-swim: a pure Crystal implementation of SWIM protocol](https://forum.crystal-lang.org/t/crystal-swim-a-pure-crystal-implementation-of-swim-protocol/9027)
**Author:** [@paulocoghi](https://forum.crystal-lang.org/u/paulocoghi)\ **Replies:** 1\ **Last updated:** [June 24, 2026, 8:33pm UTC](https://forum.crystal-lang.org/t/crystal-swim-a-pure-crystal-implementation-of-swim-protocol/9027 "2026-06-24T20:33:45Z")
Hello Crystal community! For anyone building distributed systems that may scale to large clusters, I just published the crystal-swim shard (MIT license) which implements the SWIM protocol. (Scalable Weakly-consistent I… --- ## [Termisu v0.5.0](https://forum.crystal-lang.org/t/termisu-v0-5-0/9024)
**Author:** [@omarluq](https://forum.crystal-lang.org/u/omarluq)\ **Replies:** 1\ **Last updated:** [June 22, 2026, 12:04am UTC](https://forum.crystal-lang.org/t/termisu-v0-5-0/9024 "2026-06-22T00:04:48Z")
Hey folks :waving\_hand: It’s been a while since I posted about Termisu. Looking back, the last forum announcement was for v0.0.2. For anyone who missed the earlier post: Termisu is a small Crystal library for building … --- ## [Announcing \[native.cr\] – React Native for Crystal developers](https://forum.crystal-lang.org/t/announcing-native-cr-react-native-for-crystal-developers/8970)
**Author:** [@zendrx](https://forum.crystal-lang.org/u/zendrx)\ **Replies:** 1\ **Last updated:** [June 5, 2026, 8:27pm UTC](https://forum.crystal-lang.org/t/announcing-native-cr-react-native-for-crystal-developers/8970 "2026-06-05T20:27:01Z")
After several months of work, I am releasing native.cr, a framework for building native mobile applications using the Crystal language. Why? I wanted to write mobile apps in Crystal. React Native proves cross-platform … --- ## [Can v0.4.1: server-side HTML components for Crystal](https://forum.crystal-lang.org/t/can-v0-4-1-server-side-html-components-for-crystal/8968)
**Author:** [@trans](https://forum.crystal-lang.org/u/trans)\ **Replies:** 1\ **Last updated:** [June 2, 2026, 7:38pm UTC](https://forum.crystal-lang.org/t/can-v0-4-1-server-side-html-components-for-crystal/8968 "2026-06-02T19:38:33Z")
Hi. I am working on Can, currently a pre-1.0 server-side HTML component system for Crystal. The basic idea is to write components as HTML in “cans” (.can files) and compile those templates to Crystal before the app run… --- ## [News on CrymbleUI and Embrace](https://forum.crystal-lang.org/t/news-on-crymbleui-and-embrace/8969)
**Author:** [@wolfgang371](https://forum.crystal-lang.org/u/wolfgang371)\ **Replies:** 0\ **Last updated:** [June 2, 2026, 7:25pm UTC](https://forum.crystal-lang.org/t/news-on-crymbleui-and-embrace/8969 "2026-06-02T19:25:22Z")
Following-up to Announcing CrymbleUI - a modern, native Crystal GUI framework from 6.1.2026: CrymbleUI is now at v0.6.4 with full github CI and full support files for Linux and Windows shipped alongside it’s mostly usa… --- ## [I built a local AI assistant in Crystal that runs on 4GB RAM](https://forum.crystal-lang.org/t/i-built-a-local-ai-assistant-in-crystal-that-runs-on-4gb-ram/8957)
**Author:** [@zendrx](https://forum.crystal-lang.org/u/zendrx)\ **Replies:** 7\ **Last updated:** [May 28, 2026, 11:12am UTC](https://forum.crystal-lang.org/t/i-built-a-local-ai-assistant-in-crystal-that-runs-on-4gb-ram/8957 "2026-05-28T11:12:26Z")
Hey Crystal community, I want to share a project I have been working on called speak. It is a local AI assistant that runs entirely on your computer. No cloud. No subscription. Your data never leaves your machine. Why … --- ## [Crystal 1.20.2 is released!](https://forum.crystal-lang.org/t/crystal-1-20-2-is-released/8945)
**Author:** [@Crys](https://forum.crystal-lang.org/u/Crys)\ **Replies:** 0\ **Last updated:** [May 16, 2026, 6:12pm UTC](https://forum.crystal-lang.org/t/crystal-1-20-2-is-released/8945 "2026-05-16T18:12:26Z")
This is a companion discussion topic for the original entry at https://crystal-lang.org/2026/05/15/1.20.2-released/ --- ## [Benben v0.6.0 has been released](https://forum.crystal-lang.org/t/benben-v0-6-0-has-been-released/5617)
**Author:** [@MistressRemilia](https://forum.crystal-lang.org/u/MistressRemilia)\ **Replies:** 20\ **Last updated:** [April 30, 2026, 8:13pm UTC](https://forum.crystal-lang.org/t/benben-v0-6-0-has-been-released/5617 "2026-04-30T20:13:14Z")
YunoSynth is a high-performance VGM playback library written entirely in Crystal. VGM files are sample-accurate music files ripped from video games. Rather than containing audio data like an MP3 or WAV file, they contain… --- ## [Crystal 1.20.1 is released!](https://forum.crystal-lang.org/t/crystal-1-20-1-is-released/8912)
**Author:** [@Crys](https://forum.crystal-lang.org/u/Crys)\ **Replies:** 0\ **Last updated:** [April 30, 2026, 12:58pm UTC](https://forum.crystal-lang.org/t/crystal-1-20-1-is-released/8912 "2026-04-30T12:58:10Z")
This is a companion discussion topic for the original entry at https://crystal-lang.org/2026/04/29/1.20.1-released --- ## [Athena 0.22.0 | Now with real-time updates!](https://forum.crystal-lang.org/t/athena-0-22-0-now-with-real-time-updates/8903)
**Author:** [@Blacksmoke16](https://forum.crystal-lang.org/u/Blacksmoke16)\ **Replies:** 0\ **Last updated:** [April 25, 2026, 1:03pm UTC](https://forum.crystal-lang.org/t/athena-0-22-0-now-with-real-time-updates/8903 "2026-04-25T13:03:36Z")
Updates in the Athenaverse The major highlight of this release is the release of the Mercure component and the related MercureBundle! The latter of which shows off initial support for third-party bundles. This is a well … --- ## [LSP implementation for Crystal on Windows](https://forum.crystal-lang.org/t/lsp-implementation-for-crystal-on-windows/8502)
**Author:** [@god](https://forum.crystal-lang.org/u/god)\ **Replies:** 16\ **Last updated:** [April 10, 2026, 1:19pm UTC](https://forum.crystal-lang.org/t/lsp-implementation-for-crystal-on-windows/8502 "2026-04-10T13:19:47Z")
The tooling for Crystal on Windows is not good. I am working on a language server and VSCode extension that leverages the existing CLI tools available and incorporates them into an instant-response context so as to achie… --- ## [Announcing CrymbleUI - a modern, native Crystal GUI framework](https://forum.crystal-lang.org/t/announcing-crymbleui-a-modern-native-crystal-gui-framework/8642)
**Author:** [@wolfgang371](https://forum.crystal-lang.org/u/wolfgang371)\ **Replies:** 21\ **Last updated:** [March 14, 2026, 7:30pm UTC](https://forum.crystal-lang.org/t/announcing-crymbleui-a-modern-native-crystal-gui-framework/8642 "2026-03-14T19:30:45Z")
Dear all, ever missed a Crystal native GUI framework? Maybe you want to check out CrymbleUI. From the README.md: A nice and fast GUI framework for Crystal. Declarative and reactive. Its name is a pun of Crystal and n… --- ## [Need to crazy-optimize some GMP stuff?](https://forum.crystal-lang.org/t/need-to-crazy-optimize-some-gmp-stuff/8726)
**Author:** [@ralsina](https://forum.crystal-lang.org/u/ralsina)\ **Replies:** 4\ **Last updated:** [February 23, 2026, 12:54pm UTC](https://forum.crystal-lang.org/t/need-to-crazy-optimize-some-gmp-stuff/8726 "2026-02-23T12:54:02Z")
While crystal stdlib has a GMP binding (The Big Module) which is super convenient to use, what happens when you need something NOT convenient to use but faster? The main bottleneck in Big’s performance is that they are … --- ## [Di; new dependency injection shard](https://forum.crystal-lang.org/t/di-new-dependency-injection-shard/8719)
**Author:** [@omarluq](https://forum.crystal-lang.org/u/omarluq)\ **Replies:** 17\ **Last updated:** [February 21, 2026, 10:20pm UTC](https://forum.crystal-lang.org/t/di-new-dependency-injection-shard/8719 "2026-02-21T22:20:39Z")
Hello everyone, I just released Di v0.1.0, a new dependency injection shard. Di is macro first and type safe. It supports auto wire from constructor types, named services, transient services, fiber local scopes, health… --- ## [Announcing CrImage - Pure Crystal Image Processing Library](https://forum.crystal-lang.org/t/announcing-crimage-pure-crystal-image-processing-library/8622)
**Author:** [@naqvis](https://forum.crystal-lang.org/u/naqvis)\ **Replies:** 15\ **Last updated:** [January 12, 2026, 2:27am UTC](https://forum.crystal-lang.org/t/announcing-crimage-pure-crystal-image-processing-library/8622 "2026-01-12T02:27:02Z")
I’m excited to share CrImage, a comprehensive image processing library written entirely in Crystal with zero external dependencies. What is it? A complete image toolkit that handles everything from basic format conversi… --- ## [Announcing H3O Embrace - pure Crystal data management application](https://forum.crystal-lang.org/t/announcing-h3o-embrace-pure-crystal-data-management-application/8636)
**Author:** [@wolfgang371](https://forum.crystal-lang.org/u/wolfgang371)\ **Replies:** 4\ **Last updated:** [January 8, 2026, 6:07pm UTC](https://forum.crystal-lang.org/t/announcing-h3o-embrace-pure-crystal-data-management-application/8636 "2026-01-08T18:07:43Z")
Dear community, I just published a first release of “Embrace”, a generic data management system for human manageable data - for everybody, i.e. with a very low entry threshold. As a starting point you can think of it as… --- ## [New multicast and TCP health check tool](https://forum.crystal-lang.org/t/new-multicast-and-tcp-health-check-tool/8606)
**Author:** [@perfecto25](https://forum.crystal-lang.org/u/perfecto25)\ **Replies:** 0\ **Last updated:** [December 22, 2025, 8:10pm UTC](https://forum.crystal-lang.org/t/new-multicast-and-tcp-health-check-tool/8606 "2025-12-22T20:10:04Z")
new crystal-based tcp and multicast connectivity test tool GitHub - perfecto25/cmuffin: Crystal Muffin - multicast and TCP network tester details in readme --- ## [Upcoming 1.19 release](https://forum.crystal-lang.org/t/upcoming-1-19-release/8598)
**Author:** [@ysbaddaden](https://forum.crystal-lang.org/u/ysbaddaden)\ **Replies:** 1\ **Last updated:** [December 18, 2025, 6:10pm UTC](https://forum.crystal-lang.org/t/upcoming-1-19-release/8598 "2025-12-18T18:10:59Z")
The next Crystal release, 1.19 is scheduled for 2026-01-14. As usual, this is precluded by a two-week feature freeze period, starting 2025-12-31. We’ll be using this time until the release to consolidate the changes and… --- ## [Termisu v0.0.2 🍮](https://forum.crystal-lang.org/t/termisu-v0-0-2/8583)
**Author:** [@omarluq](https://forum.crystal-lang.org/u/omarluq)\ **Replies:** 0\ **Last updated:** [December 11, 2025, 6:06pm UTC](https://forum.crystal-lang.org/t/termisu-v0-0-2/8583 "2025-12-11T18:06:19Z")
Hello again :waving\_hand:! Quick update on Termisu. It’s grown up a bit since my intro post. Just shipped v0.0.2! Little screen capture: What you get: Cell-based rendering with double buffering and smart diffing A… --- ## [Crystal 1.18.1 is released!](https://forum.crystal-lang.org/t/crystal-1-18-1-is-released/8495)
**Author:** [@Crys](https://forum.crystal-lang.org/u/Crys)\ **Replies:** 0\ **Last updated:** [October 17, 2025, 6:53pm UTC](https://forum.crystal-lang.org/t/crystal-1-18-1-is-released/8495 "2025-10-17T18:53:58Z")
We are announcing a new Crystal release 1.18.1 with two regressions fixed. See the release notes of 1.18.0 for all the changes introduced in Crystal 1.18. This is a companion discussion topic for the original entry at h… --- ## [Crystal 1.18.0 is released!](https://forum.crystal-lang.org/t/crystal-1-18-0-is-released/8478)
**Author:** [@Crys](https://forum.crystal-lang.org/u/Crys)\ **Replies:** 3\ **Last updated:** [October 16, 2025, 7:46pm UTC](https://forum.crystal-lang.org/t/crystal-1-18-0-is-released/8478 "2025-10-16T19:46:37Z")
We are announcing a new Crystal release 1.18.0 with several new features and bug fixes. Pre-built packages are available on GitHub Releases and our official distribution channels. See crystal-lang.org/install for install… --- ## [Upcoming release 1.18.0](https://forum.crystal-lang.org/t/upcoming-release-1-18-0/8442)
**Author:** [@straight-shoota](https://forum.crystal-lang.org/u/straight-shoota)\ **Replies:** 5\ **Last updated:** [October 6, 2025, 11:25am UTC](https://forum.crystal-lang.org/t/upcoming-release-1-18-0/8442 "2025-10-06T11:25:42Z")
The next Crystal release, 1.18 is scheduled for 2025-10-14. As usual, this is precluded by a two-week feature freeze period, starting 2025-09-30. We’ll be using this time until the release to consolidate the changes and… --- ## [Crygen releases its v1.0.0](https://forum.crystal-lang.org/t/crygen-releases-its-v1-0-0/8374)
**Author:** [@tamdaz](https://forum.crystal-lang.org/u/tamdaz)\ **Replies:** 0\ **Last updated:** [August 21, 2025, 5:34pm UTC](https://forum.crystal-lang.org/t/crygen-releases-its-v1-0-0/8374 "2025-08-21T17:34:18Z")
Hello :waving\_hand:, After 8 months of development, I’m pleased to announce the release of Crygen v1.0.0. In short: Crygen is a Crystal shard that helps generate Crystal code. Its goal is to save developers from writi… [Next page](https://forum.crystal-lang.org/tag/release/2.md?match_all_tags=true&page=1&tags%5B%5D=release)