rails/spring v4.0.0

on GitHub

What's Changed

• Stop depending on Set by @casperisfine in #659
• Drop support to Ruby < 2.7 and Rails < 6.0 by @rafaelfranca in #661
• Modernize spring binstubs and disable it in production by @rafaelfranca in #662

Full Changelog: v3.1.1...v4.0.0