Top crystal issues

Arrays have a 'silent' length limit due to Int32 type on size.

discussion stdlib

how do i pass a function type to a function

question

Feature request: add non-substitutable type aliases

feature discussion topictype-system

macro shared state

feature draft compiler

Gracefully stopping fibers

restriction of abstract def return value, not works

feature accepted compiler

Casting doesn't work with generic classes and recursive type aliases/unions

bug compiler

Array iteration methods

Ubuntu package does not install all required dependencies

feature accepted infrastructure

Improve backtraces

feature compiler