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The Crystal Programming Language

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The Crystal Programming Language title: The Crystal Programming Language

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Crystal 1.20.0 is released!

We are announcing a new Crystal release 1.20.0 with several new features and bug fixes.

Pre-built packages are available on GitHub Releases and our official distribution channels. See


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Official Linux ARM64 builds

This has been a long awaited feature: how to run Crystal on ARM64 CPUs?

Crystal has supported ARM64 as a tier 1 architecture for many years now, and we already distribute an universal build for macOS, but still no ARM64 builds for Linux.

The wait is over! During the development of Crystal 1.19 we bootstrapped a 1.18.2 compiler for ARM64 that was then used to b...


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Crystal talk at FOSDEM 2026

I’m giving a talk about Crystal at FOSDEM 2026 in Brussels: Crystal: A language for humans and computers. It’s in the Decla...


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Crystal 1.19.1 is released!

We are announcing a new Crystal release 1.19.1 with two regressions fixed.

See the release notes of 1.19.0 for all the changes introduced in Crystal 1.19.

Pre-built packages are available on


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Crystal 1.19.0 is released!
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