Crystal is a general-purpose, object-oriented programming language. With syntax inspired by Ruby, it’s a compiled language with static type-checking. Types are resolved by an advanced type inference algorithm.
Visit crystal-lang.org → RSS feedOn Hacker News Sep 2013 – Oct 2026
The release of the first major release of Crystal arrives after many years of hard work. With thousands of contributions from people worldwide, it was finally possible to find consensus for what truly mattered for 1.0 and what could wait for future releases. Getting here wasn’t an easy journey, filled with enriching…
We are releasing the first post-1.0 release, making efforts to keep our promise of making regular releases each 3 months, a bit delayed because of the conference, and with special focus on keeping the language stability. Below we list the most important or interesting changes, without mentioning the several bugfixes…
At Diploid, we have been using Crystal for quite some time now. We would like to share our experience in this interview, answering questions relevant to companies wanting to use Crystal for production.
Crystal 0.25.0 has been released!
We are delivering a new release with several bugfixes and improvements. Below we list the most important or interesting changes, without mentioning the several bugfixes. For details visit the release’s notes. Breaking changes are marked with ⚠️.
We are announcing a new Crystal release 1.22.0 with several new features and bug fixes.
Crystal 0.27.0 has been released!
Crystal 0.28.0 has been released!
Crystal 0.25.1 has been released!
Crystal 0.31.0 has been released!
Crystal has made a huge step forward to have parallelism as a first class citizen. In short, you can set up the number of worker threads on runtime and each new fiber will be scheduled to run on one of them. Channel and select will work seamlessly. You are allowed to share memory between workers, but you will probably…
We are announcing a new Crystal release 1.16.0 with several new features and bug fixes.
Crystal has gone a long way since we started it over five years ago. What was once an experiment to see if it was possible to have a compiled yet Ruby-like language, is now a trending language with over 7,000 GitHub stargazers and almost 1,400 shards. Its popularity has risen considerably in the last few years, and we…
(This post is part of Crystal Advent Calendar 2015)
Currently the main goal of the Crystal core team is to reach 1.0 in the near future. Since achieving that goal involves a number of non-obvious tradeoffs, we want to use this post to shed some light on those inherent tensions and how they drive our work and priorities for the next few releases.
We are announcing a new Crystal release with several new features and bug fixes.
Yesterday Crystal became one year old. Yay! :-)
We are delivering a new release with several bugfixes and improvements. Below we list the most important or interesting changes, without mentioning several bugfixes and smaller enhancements. For more details, visit the changelog. Breaking changes are marked with ⚠️.
We are releasing the second patch release of the 1.2 series.
We are announcing a new patch release of the Crystal 1.9 series with two bugfixes.
Crystal 0.26.0 has been released!