New features #229: Add new Performance/MapCompact cop. (@koic) #178: Add new Performance/SelectMap cop. (@koic) Bug fixes #230: Fix a false positive for Performance/ChainArrayAllocation when using Enumerable#lazy. (@koic) Changes #228: Mark Performance/RedundantMerge as unsafe. (@dvandersluis) #232: Drop Ruby 2.4 support. (@koic) #235: Require RuboCop 1.7 or higher. (@koic)