.rubocop.yml in truemail-rspec-0.4.0 vs .rubocop.yml in truemail-rspec-0.5.0

@@ -134,10 +134,13 @@
   Enabled: true
 
 Style/IfWithBooleanLiteralBranches:
   Enabled: true
 
+Style/StringChars:
+  Enabled: true
+
 Layout/EmptyLinesAroundAttributeAccessor:
   Enabled: true
 
 Layout/SpaceAroundMethodCallOperator:
   Enabled: true
@@ -298,9 +301,18 @@
 
 Performance/MethodObjectAsBlock:
   Enabled: true
 
 Performance/Sum:
+  Enabled: true
+
+Performance/MapCompact:
+  Enabled: true
+
+Performance/RedundantEqualityComparisonBlock:
+  Enabled: true
+
+Performance/RedundantSplitRegexpArgument:
   Enabled: true
 
 RSpec/ExampleLength:
   Enabled: false