Gem.latest_version_for

latest_version_for(name)

# File tmp/rubies/ruby-3.3.0/lib/rubygems.rb, line 849
def self.latest_version_for(name)
  latest_spec_for(name)&.version
end

Returns the version of the latest release-version of gem name

See also .latest_spec_for .load_env_plugins .latest_rubygems_version .load_path_insert_index also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0