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A new patch release Crystal 1.20.1 fixes some regressions and disables Kernel TLS (added in 1.20.0), due to instability.
Read more at crystal-lang.org/2026/04/29/1.2…
#crystallang
Crystal Language
@CrystalLanguage
A language for humans and computers
Joined April 2015
- A new release is out: Crystal 1.21.0 🚀 We've reached a major milestone with making Execution Contexts the default concurrency model. crystal-lang.org/2026/07/12/rel… Read more about the release at crystal-lang.org/2026/07/16/1.2… #crystallang #release
- Check out this interview with Carl Hörberg of 84codes, where he explains why they chose Crystal to build LavinMQ – a great example of Crystal in production. youtu.be/C8kq3KoP97k?si… #crystallang @LavinMQ @84codes
- A new Crystal release is out for version 1.20.0 Highlights: `@[TargetFeature]` annotation, new process spawn API, support for kernel TLS and io_uring. The latter requires execution contexts which is now in the final preview. Read more at crystal-lang.org/2026/04/16/1.2…
- We’re gathering for a Crystal #Meetup in #Stockholm! Beta Ziliani from the Core Team and Carl Hörberg from LavinMQ will share insights and experiences of using #crystallang. Food, drinks, and tech talks - Feb 18th at Guldbaren. crystal-lang.org/events/2025-st…
