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↑ Cluster

Ruby & Rails Version Upgrades

Battle-tested playbooks for EOL Ruby versions, Rails major upgrades, kwargs compatibility, and maintaining unmaintained gems. Every upgrade is a risk vector; every vector needs a documented mitigation.

4 technical guides

How to Fork an Unmaintained Ruby Gem for Rails 7

Save your Rails 7 upgrade. Learn how to fork an unmaintained ruby gem, apply gemspec monkeypatching, and use local gem overrides.

Oct 16, 2025 →

Resolving Legacy Gem Dependencies in Rails Updates

Overcome gem dependency hell. Learn how to resolve legacy gem dependencies using the Bundler resolution algorithm during Rails updates.

Oct 11, 2025 →

Fixing Ruby 3 Keyword Arguments Backward Compatibility

Solve the ArgumentError in legacy Rails apps upgrading to Ruby 3. Learn how to fix keyword arguments backward compatibility.

Oct 6, 2025 →

Ruby 2.6 EOL Security Vulnerabilities: A Risk Assessment

Running Ruby 2.6 exposes your legacy Rails app to critical vulnerabilities like CVE-2021-31810. Learn the risks and mitigation strategies.

Oct 1, 2025 →
← Rails Rescue GuideRequest a Technical Debt Audit →
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