Rails upgrade workflow for moving an existing application to the latest stable Rails release using the official upgrade guide. Use when planning or executing Rails version migrations, resolving deprecations, updating framework defaults, running `rails app:update`, or coordinating safe stepwise upgrades across multiple minor/major versions with verification gates.
Use this skill to execute Rails upgrades with predictable checkpoints and minimal downtime risk.
Gemfile.lock, ruby -v, and bin/rails -v.references/upgrade-workflow.md and follow the sequence.Gemfile.bundle update rails (and related railties gems as needed).bin/rails app:update; review every diff instead of accepting blindly.bundle exec rspec; do not finish while any spec fails.bundle exec rubocop; do not finish while offenses remain.bundle exec rspec and bundle exec rubocop pass.references/upgrade-workflow.md: Rails-guide-aligned checklist, command sequence, and per-version validation points.