Hotwire-rails is a collection of front-end tools for Rails available since Rails 6 and enabled by default in Rails 7. Use the [Hotwire-rails] tag for questions about Stimulus, Turbo Drive, Turbo Frames and Turbo Streams and especially their usage in Rails. This tag is not for turbo-links (unless the question is about updating to Hotwire). Also be aware that Hotwire and its components are sometimes used outside of Rails.
See also: