rubocop-hq/rubocop

### New features

* [#3822](https://github.com/rubocop/rubocop/pull/3822): Add `Rails/FilePath` cop. ([@iguchi1124][])
* [#3821](https://github.com/rubocop/rubocop/pull/3821): Add `Security/YAMLLoad` cop. ([@cyberdelia][])
* [#3816](https://github.com/rubocop/rubocop/pull/3816): Add `Security/MarshalLoad` cop. ([@cyberdelia][])
* [#3757](https://github.com/rubocop/rubocop/pull/3757): Add Auto-Correct for `Bundler/OrderedGems` cop. ([@pocke][])
* `Style/FrozenStringLiteralComment` now supports the style `never` that will remove the `frozen_string_literal` comment. ([@rrosenblum][])
* [#3795](https://github.com/rubocop/rubocop/pull/3795): Add `Lint/MultipleCompare` cop. ([@pocke][])
* [#3772](https://github.com/rubocop/rubocop/issues/3772): Allow exclusion of certain methods for `Metrics/BlockLength`. ([@NobodysNightmare][])
* [#3804](https://github.com/rubocop/rubocop/pull/3804): Add new `Lint/SafeNavigationChain` cop. ([@pocke][])
* [#3670](https://github.com/rubocop/rubocop/pull/3670): Add `CountBlocks` boolean option to `Metrics/BlockNesting`. It allows blocks to be counted towards the nesting limit. ([@georgyangelov][])
* [#2992](https://github.com/rubocop/rubocop/issues/2992): Add a configuration to `Style/ConditionalAssignment` to toggle offenses for ternary expressions. ([@rrosenblum][])
* [#3824](https://github.com/rubocop/rubocop/pull/3824): Add new `Performance/RegexpMatch` cop. ([@pocke][])
* [#3825](https://github.com/rubocop/rubocop/pull/3825): Add new `Rails/SkipsModelValidations` cop. ([@rahulcs][])
* [#3737](https://github.com/rubocop/rubocop/issues/3737): Add new `Style/MethodCallWithArgsParentheses` cop. ([@dominh][])
* Renamed `MethodCallParentheses` to `MethodCallWithoutArgsParentheses`. ([@dominh][])
* [#3854](https://github.com/rubocop/rubocop/pull/3854): Add new `Rails/ReversibleMigration` cop. ([@sue445][])
* [#3872](https://github.com/rubocop/rubocop/pull/3872): Detect `String#%` with hash literal. ([@backus][])
* [#2731](https://github.com/rubocop/rubocop/issues/2731): Allow configuration of method calls that create methods for `Lint/UselessAccessModifier`. ([@pat][])

### Changes

* [#3820](https://github.com/rubocop/rubocop/pull/3820): Rename `Lint/Eval` to `Security/Eval`. ([@cyberdelia][])
* [#3725](https://github.com/rubocop/rubocop/issues/3725): Disable `Style/SingleLineBlockParams` by default. ([@tejasbubane][])
* [#3765](https://github.com/rubocop/rubocop/pull/3765): Add a validation for supported styles other than EnforcedStyle. `AlignWith`, `IndentWhenRelativeTo` and `EnforcedMode` configurations are renamed. ([@pocke][])
* [#3782](https://github.com/rubocop/rubocop/pull/3782): Add check for `add_reference` method by `Rails/NotNullColumn` cop. ([@pocke][])
* [#3761](https://github.com/rubocop/rubocop/pull/3761): Update `Style/RedundantFreeze` message from `Freezing immutable objects is pointless.` to `Do not freeze immutable objects, as freezing them has no effect.`. ([@lucasuyezu][])
* [#3753](https://github.com/rubocop/rubocop/issues/3753): Change error message of `Bundler/OrderedGems` to mention `Alphabetize Gems`. ([@tejasbubane][])
* [#3802](https://github.com/rubocop/rubocop/pull/3802): Ignore case when checking Gemfile order. ([@breckenedge][])
* Add missing examples in `Lint` cops documentation. ([@enriikke][])
* Make `Style/EmptyMethod` cop aware of class methods. ([@drenmi][])
* [#3871](https://github.com/rubocop/rubocop/pull/3871): Add check for void `defined?` and `self` by `Lint/Void` cop. ([@pocke][])

### Bug fixes

* [#3751](https://github.com/rubocop/rubocop/pull/3751): Avoid crash in `Rails/EnumUniqueness` cop. ([@pocke][])
* [#3766](https://github.com/rubocop/rubocop/pull/3766): Avoid crash in `Style/ConditionalAssignment` cop with masgn. ([@pocke][])
* [#3770](https://github.com/rubocop/rubocop/pull/3770): `Style/RedundantParentheses` Don't flag raised to a power negative numeric literals, since removing the parentheses would change the meaning of the expressions. ([@amogil][])
* [#3750](https://github.com/rubocop/rubocop/issues/3750): Register an offense in `Style/ConditionalAssignment` when the assignment spans multiple lines. ([@rrosenblum][])
* [#3775](https://github.com/rubocop/rubocop/pull/3775): Avoid crash in `Style/HashSyntax` cop with an empty hash. ([@pocke][])
* [#3783](https://github.com/rubocop/rubocop/pull/3783): Maintain parentheses in `Rails/HttpPositionalArguments` when methods are defined with them. ([@kevindew][])
* [#3786](https://github.com/rubocop/rubocop/pull/3786): Avoid crash `Style/ConditionalAssignment` cop with mass assign method. ([@pocke][])
* [#3749](https://github.com/rubocop/rubocop/pull/3749): Detect corner case of `Style/NumericLiterals`. ([@kamaradclimber][])
* [#3788](https://github.com/rubocop/rubocop/pull/3788): Prevent bad auto-correct in `Style/Next` when block has nested conditionals. ([@drenmi][])
* [#3807](https://github.com/rubocop/rubocop/pull/3807): Prevent `Style/Documentation` and `Style/DocumentationMethod` from mistaking RuboCop directives for class documentation. ([@drenmi][])
* [#3815](https://github.com/rubocop/rubocop/pull/3815): Fix false positive in `Style/IdenticalConditionalBranches` cop when branches have same line at leading. ([@pocke][])
* Fix false negative in `Rails/HttpPositionalArguments` where offense would go undetected if one of the request parameter names matched one of the special keyword arguments. ([@deivid-rodriguez][])
* Fix false negative in `Rails/HttpPositionalArguments` where offense would go undetected if the `:format` keyword was used with other non-special keywords. ([@deivid-rodriguez][])
* [#3406](https://github.com/rubocop/rubocop/issues/3406): Enable cops if Enabled is not explicitly set to false. ([@metcalf][])
* Fix `Lint/FormatParameterMismatch` for splatted last argument. ([@zverok][])
* [#3853](https://github.com/rubocop/rubocop/pull/3853): Fix false positive in `RedundantParentheses` cop with multiple expression. ([@pocke][])
* [#3870](https://github.com/rubocop/rubocop/pull/3870): Avoid crash in `Rails/HttpPositionalArguments`. ([@pocke][])
* [#3869](https://github.com/rubocop/rubocop/pull/3869): Prevent `Lint/FormatParameterMismatch` from breaking when `#%` is passed an empty array. ([@drenmi][])
* [#3879](https://github.com/rubocop/rubocop/pull/3879): Properly handle Emacs and Vim magic comments for `FrozenStringLiteralComment`. ([@backus][])
* [#3736](https://github.com/rubocop/rubocop/issues/3736): Fix to remove accumulator return value by auto-correction in `Style/EachWithObject`. ([@pocke][])

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