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Crystal 1.7.1 is released!

We are releasing the first patch release of the 1.7 series.

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

This patch only includes a bugfix for a regression introduced in 1.7.0 affecting the playground. With this patch the playground should be working again. If you find any further issue, please report it.


We have been able to do all of this thanks to the continued support of 84codes, Nikola Motor Company and every other sponsor. To maintain and increase the development pace, donations and sponsorships are essential. OpenCollective is available for that.

Reach out to if you’d like to become a direct sponsor or find other ways to support Crystal. We thank you in advance!