This release of SSHKit drops mutex_m as a gem dependency. If your app relied on mutex_m being pulled in as a transitive dependency of sshkit, you may need to now explicitly add mutex_m to your Gemfile.

⚠️ Breaking Changes

• Drop mutex_m dependency (#536) @Earlopain

✨ New Features

• Handle unbracketed ipv6 addresses (#538) @jeromedalbert

🏠 Housekeeping

• Improve auto-generation of release notes (#540) @mattbrictson
• Replace Vagrant with Docker Compose for running functional tests (#539) @mattbrictson

Full Changelog: https://github.com/capistrano/sshkit/compare/v1.22.2...v1.23.0