1. 2019-01-30 [ruby-core:91346] [Ruby trunk Feature#15571] Add meth ruby-core jzakiya 2. 2019-01-30 [ruby-core:91328] [Ruby trunk Feature#15571] Add meth ruby-core duerst 3. 2019-01-30 [ruby-core:91327] [Ruby trunk Feature#15571] Add meth ruby-core duerst 4. 2019-01-29 [ruby-core:91320] [Ruby trunk Feature#15571] Add meth ruby-core jzakiya