A new release has rolled out: Crystal 1.8.1 is released! - The Crystal Programming Language
This patch release contains a couple minor bugfixes for regressions that were reported for 1.8.0.
While we have tested it against several known and sizeable projects, that doesn’t preclude the existence of regressions. If you find an issue, please check the issue tracker and file a bug: it will be fixed in the following patch version.
The full changelog is available here: Release 1.8.1 · crystal-lang/crystal · GitHub
Builds are already available on the supported platforms, check the install page for details. That includes docker images 
, snapcraft, .deb and .rpm packages and the brew formula 
.
Happy Crystallizing!