v4.0.0

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

3.1.1

• Fix compatibility issues with code that raises exceptions with frozen backtraces.
• Better support Ruby 3.0.

3.1.0

• Fix bug which makes rails consoles to hang at exit when multiple of them are open (#647).
• Fix support to gems.rb file.
• Ensure bundler is required when used.
• Support rails db:* tasks.
• Check that app preload was successful before sending a command.