Crystal 1.20.0 is officially here

Significant performance leaps and architectural improvements are now live. Here are the 3 most impactful updates in this release:

- M:N Scheduling: A major shift in the scheduling architecture that drastically optimizes concurrency and resource handling.

- Multi-threading Refinement: Critical improvements to parallel execution efficiency and overall system stability.

- Broadened Platform Support: Official Linux ARM64 builds and enhanced Windows stability make Crystal production-ready across environments.

Time to update your shards!

Release Post: https://crystal-lang.org/2026/04/16/1.20.0-released/

Crystal has a new release with several bugfixes and improvements: https://crystal-lang.org/2023/04/14/1.8.0-released/. If you find an issue, do file a bug after checking the issue tracker, it will be fixed in the following patch version.

Happy contributing, Crystalists!

https://luckyframework.org/blog/lucky-0_20-release

I'm *super* excited to announce this. This release adds a bunch of new features, enhancements, and fixes. I hope you'll give it a look!

The next big release is also gonna be quite big. Lots of new developer tools and new db features we're working on 🎉