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The Crystal Programming Language
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Latest posts
Last updated 25 days ago
Post Mortem: HTTP Request Smuggling Vulnerability
29 days ago
On 12 April 2026, we received a vulnerability report regarding an HTTP...
Crystal 1.20.2 is released!
about 1 month ago
We are announcing a new Crystal release 1.20.2 with a couple of...
Crystal 1.20.1 is released!
about 2 months ago
We are announcing a new Crystal release 1.20.1 with a couple of...
Crystal 1.19.2 is released!
about 2 months ago
We are announcing a new Crystal release 1.19.2 with two regressions fixed...
Crystal 1.19.2 is released!
5 months ago
We are announcing a new Crystal release 1.19.2 with two regressions fixed...
Crystal 1.20.0 is released!
2 months ago
We are announcing a new Crystal release 1.20.0 with several new features...
Official Linux ARM64 builds
3 months ago
This has been a long awaited feature: how to run Crystal on...
Crystal talk at FOSDEM 2026
5 months ago
I’m giving a talk about Crystal at FOSDEM 2026 in Brussels Crystal:...
Crystal 1.19.1 is released!
5 months ago
We are announcing a new Crystal release 1.19.1 with two regressions fixed...
Crystal 1.19.0 is released!
5 months ago
We are announcing a new Crystal release 1.19.0 with several new features...
Crystal 1.18.2 is released!
8 months ago
We are announcing a new Crystal release 1.18.2 with two regressions fixed...
Crystal 1.18.1 is released!
8 months ago
We are announcing a new Crystal release 1.18.1 with two regressions fixed...