.rubocop.yml in reek-4.8.2 vs .rubocop.yml in reek-5.0.0

@@ -4,11 +4,11 @@
 AllCops:
   Exclude:
     - 'samples/**/*'
     - 'tmp/**/*'
     - 'vendor/**/*'
-  TargetRubyVersion: 2.1
+  TargetRubyVersion: 2.3
 
 # Place . on the previous line
 Layout/DotPosition:
   EnforcedStyle: trailing
 
@@ -58,14 +58,26 @@
 Metrics/ClassLength:
   Exclude:
     - lib/reek/context_builder.rb
     - lib/reek/cli/options.rb
 
+Style/SafeNavigation:
+  Exclude:
+    - lib/reek/ast/node.rb
+    - lib/reek/ast/sexp_extensions/module.rb
+
 # FIXME: Lower the method length by fixing the biggest offenders
 Metrics/MethodLength:
   Max: 15
+  Exclude:
+    - 'lib/reek/cli/options.rb'
 
+Metrics/AbcSize:
+  Exclude:
+    - 'lib/reek/cli/options.rb'
+    - 'lib/reek/configuration/configuration_converter.rb'
+
 # Be rather lenient with line length
 Metrics/LineLength:
   Max: 120
 
 # Keyword arguments make long parameter lists readable
@@ -98,12 +110,12 @@
 # FIXME: Split up files to avoid offenses
 RSpec/MultipleDescribes:
   Exclude:
     - 'spec/reek/ast/sexp_extensions_spec.rb'
     - 'spec/reek/code_comment_spec.rb'
-    - 'spec/reek/report/formatter/location_formatter_spec.rb'
-    - 'spec/reek/report/formatter/progress_formatter_spec.rb'
+    - 'spec/reek/report/location_formatter_spec.rb'
+    - 'spec/reek/report/progress_formatter_spec.rb'
 
 # FIXME: Update specs to avoid offenses
 RSpec/MultipleExpectations:
   Exclude:
     - 'spec/reek/cli/application_spec.rb'
@@ -117,9 +129,11 @@
 # FIXME: Update specs to avoid offenses
 RSpec/NestedGroups:
   Exclude:
     - 'spec/reek/report/code_climate/code_climate_fingerprint_spec.rb'
     - 'spec/reek/cli/application_spec.rb'
+    - 'spec/reek/configuration/schema_validator_spec.rb'
+    - 'spec/reek/configuration/configuration_file_finder_spec.rb'
 
 # rubocop-rspec expects a CodeClimate namespace to go with the code_climate directory.
 RSpec/FilePath:
   Exclude:
     - 'spec/reek/report/code_climate/code_climate_configuration_spec.rb'