Drop support for Ruby 1.9.3 (Capistrano may still work with 1.9.3, but it is no longer officially supported) Git version 1.6.3 or greater is now required Remove 'vendor/bundle' from default :linked_dirs (@ojab) Old versions of SSHKit (before 1.9.0) are no longer supported SHA1 hash of current git revision written to REVISION file is no longer abbreviated Added a doctor task that outputs helpful tr