yarn install relay-runtime@1.0.0-rc.3yarn install react-relay@1.0.0-rc.3yarn install relay-compiler@1.0.0-rc.3 --devyarn install babel-plugin-relay@1.0.1-rc.3 --devGetting Started with Relay “Modern” for Building Isomorphic Web Apps4598Konstantin TarkusMike TamisFollowJul 26, 2017 · 1 min readits ‘yarn add’ not ‘yarn install’