2 bugfixes: Port from rack handler does not take precedence over config file in Rails 5.1.0.beta2+ and 5.0.1.rc3+ (#1234) The tmp/restart.txt plugin no longer restricts the user from running more than one server from the same folder at a time (#1226) 1 feature: Closed clients are aborted to save capacity (#1227) 1 refactor: Bundler is no longer a dependency from tests (#1213)