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Roadmap
This roadmap defines the things that we want to have in the language and plan to do.
Stuff that has to do with the language syntax, semantic and runtime.
Finalize multithreading support, so fibers can run on multiple threads.
Finalize support for Windows platform. The compiler already works, but some stdlib features like concurrency support are still missing. Ongoing efforts on #5430.
Make a review and possible formalisation of Crystal's type system, with a strong emphasis on generics, type restrictions and the meta-model in general.
Review the macros intermediate language, to allow for more expressiveness and to provide the compilers with hints with regards to reusing previous runs for incremental compilation.
Review the exception layout and hierarchy to allow developers to catch more specific errors, and get more information on what exactly went wrong via variables inside the exception.
Allow the compiler to re-use information from previous compilations, by defining dependencies between files/modules and only reprocessing changed ones. This feature also opens the door for better IDE integration and tooling.
Implement the missing or review the existing following modules from the standard library:
- TLS library
- File, FileUtils
- HTTP/2 #2125
- XML
- Test mocks
Improvements or developments on either built-in or external tools for the language.
Improve not only the documentation itself, but the docs generator as well. Add support for links between documents from different packages, alternate READMEs for the docs, better searching options, and easier docs hosting options.
Improve Crystal's dependency manager for better dependencies version resolution, provide further metadata on the project, support registering executable tasks, better handling of transitive dependencies, and more. Implement centralised discovery of Crystal shards, sorted by category, and including support for the latest versions of the language, as reported by a CI.
Improve Crystal's playground by adding shards' workbooks to explore the usage of the project's registered dependencies, and other features to discuss.
Make use of Crystal's compile-time type information to develop better IDE tools, such as in-place documentation, autocomplete or refactoring tools.