Static Ruby Monthly

The only newsletter dedicated to static typing in Ruby

Hey there!

Welcome to the 4th issue of the Static Ruby Newsletter. It was a great month with tasty talks at the recent RubyKaigi 2025 conference in Japan. Sadly, the recordings are not yet available, so we will catch up on them next time.

Nevertheless, enjoy a fresh selection of interesting materials and updates from the world of static typing in Ruby.

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You can find all the previous issues of the newsletter in my archive.

Cheers,

Andrey

People wrote about

• ​Introduction to Sorbet Type Checking for Ruby
  by Dave Russell
  A concise guide explaining how Sorbet enhances Ruby development with static type checking, aimed at beginners.
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• ​Why did Stripe build Sorbet? (~2017)
  by Will Larson
  An in-depth retrospective on why Stripe invested in building Sorbet, its internal static type checker for Ruby, to improve developer productivity at scale.
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• ​API for docs
  by Soutaro Matsumoto
  A RubyKaigi 2025 presentation exploring the API documentation generation based on RBS and the evolving typing tools in Ruby.
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• ​AI Influence on API Design: The Risk of Ossification | Talk.rb
  by TalkRb
  A discussion on how AI coding assistants, such as GitHub Copilot and ChatGPT, may inadvertently lead to the ossification of API designs.
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• ​Evolution of Sorbet Type Syntax | Talk.rb
  by TalkRb
  An exploration of the evolution of Sorbet’s type syntax and its impact on Ruby’s static typing capabilities.
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Other updates in the Static typing world

• ​rbs-trace v0.5.1 (Released on April 20, 2025)
  by sinsoku
  A tool that automatically collects Ruby method signatures during runtime and generates RBS type declarations as comments or files.
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• ​awesome-sorbet
  by andyw8
  A curated list of resources, tools, blog posts, and tutorials related to Sorbet, the static type checker for Ruby.
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• ​standard-sorbet v0.0.3 (Released on April 1, 2025)
  by standardrb A plugin for Standard Ruby that integrates rubocop-sorbet rules to enable type-checking lint support in Ruby projects.
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Andrey Eremin I help teams build reliable, maintainable Ruby applications by bringing the power of static typing to their codebases. With years of hands-on experience solving complex technical challenges, I make sure your software stays robust and ready to grow. Homepage →

“Let's do TDD - type driven development”

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Ringheide, Hamburg, 21149
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