relnotes/v0.49.0.md
### New features
* [#117](https://github.com/rubocop/rubocop/issues/117): Add `--parallel` option for running RuboCop in multiple processes or threads. ([@jonas054][])
* Add auto-correct support to `Style/MixinGrouping`. ([@rrosenblum][])
* [#4236](https://github.com/rubocop/rubocop/issues/4236): Add new `Rails/ApplicationJob` and `Rails/ApplicationRecord` cops. ([@tjwp][])
* [#4078](https://github.com/rubocop/rubocop/pull/4078): Add new `Performance/Caller` cop. ([@alpaca-tc][])
* [#4314](https://github.com/rubocop/rubocop/pull/4314): Check slow hash accessing in `Array#sort` by `Performance/CompareWithBlock`. ([@pocke][])
* [#3438](https://github.com/rubocop/rubocop/issues/3438): Add new `Style/FormatStringToken` cop. ([@backus][])
* [#4342](https://github.com/rubocop/rubocop/pull/4342): Add new `Lint/ScriptPermission` cop. ([@yhirano55][])
* [#4145](https://github.com/rubocop/rubocop/issues/4145): Add new `Style/YodaCondition` cop. ([@smakagon][])
* [#4403](https://github.com/rubocop/rubocop/pull/4403): Add public API `Cop.autocorrect_incompatible_with` for specifying other cops that should not autocorrect together. ([@backus][])
* [#4354](https://github.com/rubocop/rubocop/pull/4354): Add autocorrect to `Style/FormatString`. ([@hoshinotsuyoshi][])
* [#4021](https://github.com/rubocop/rubocop/pull/4021): Add new `Style/MultipleComparison` cop. ([@dabroz][])
* New `Lint/RescueType` cop. ([@rrosenblum][])
### Changes
* [#4262](https://github.com/rubocop/rubocop/pull/4262): Add new `MinSize` configuration to `Style/SymbolArray`, consistent with the same configuration in `Style/WordArray`. ([@scottmatthewman][])
* [#3400](https://github.com/rubocop/rubocop/issues/3400): Remove auto-correct support from Lint/Debugger. ([@ilansh][])
* [#4278](https://github.com/rubocop/rubocop/pull/4278): Move all cops dealing with whitespace into a new department called `Layout`. ([@jonas054][])
* [#4320](https://github.com/rubocop/rubocop/pull/4320): Update `Rails/OutputSafety` to disallow wrapping `raw` or `html_safe` with `safe_join`. ([@klesse413][])
* [#4336](https://github.com/rubocop/rubocop/issues/4336): Store `rubocop_cache` in safer directories. ([@jonas054][])
* [#4361](https://github.com/rubocop/rubocop/pull/4361): Use relative path for offense message in `Lint/DuplicateMethods`. ([@pocke][])
* [#4385](https://github.com/rubocop/rubocop/pull/4385): Include `.jb` file by default. ([@pocke][])
### Bug fixes
* [#4265](https://github.com/rubocop/rubocop/pull/4265): Require a space before first argument of a method call in `Style/SpaceBeforeFirstArg` cop. ([@cjlarose][])
* [#4237](https://github.com/rubocop/rubocop/pull/4237): Fix false positive in `Lint/AmbiguousBlockAssociation` cop for lambdas. ([@smakagon][])
* [#4242](https://github.com/rubocop/rubocop/issues/4242): Add `Capfile` to the list of known Ruby filenames. ([@bbatsov][])
* [#4240](https://github.com/rubocop/rubocop/issues/4240): Handle `||=` in `Rails/RelativeDateConstant`. ([@bbatsov][])
* [#4241](https://github.com/rubocop/rubocop/issues/4241): Prevent `Rails/Blank` and `Rails/Present` from breaking when there is no explicit receiver. ([@rrosenblum][])
* [#4249](https://github.com/rubocop/rubocop/issues/4249): Handle multiple assignment in `Rails/RelativeDateConstant`. ([@bbatsov][])
* [#4250](https://github.com/rubocop/rubocop/issues/4250): Improve a bit the Ruby code detection config. ([@bbatsov][])
* [#4283](https://github.com/rubocop/rubocop/issues/4283): Fix `Style/EmptyCaseCondition` autocorrect bug - when first `when` branch includes comma-delimited alternatives. ([@ilansh][])
* [#4268](https://github.com/rubocop/rubocop/issues/4268): Handle end-of-line comments when autocorrecting Style/EmptyLinesAroundAccessModifier. ([@vergenzt][])
* [#4275](https://github.com/rubocop/rubocop/issues/4275): Prevent `Style/MethodCallWithArgsParentheses` from blowing up on `yield`. ([@drenmi][])
* [#3969](https://github.com/rubocop/rubocop/issues/3969): Handle multiline method call alignment for arguments to methods. ([@jonas054][])
* [#4304](https://github.com/rubocop/rubocop/pull/4304): Allow enabling whole departments when `DisabledByDefault` is `true`. ([@jonas054][])
* [#4264](https://github.com/rubocop/rubocop/issues/4264): Prevent `Rails/SaveBang` from blowing up when using the assigned variable in a hash. ([@drenmi][])
* [#4310](https://github.com/rubocop/rubocop/pull/4310): Treat paths containing invalid byte sequences as non-matches. ([@mclark][])
* [#4063](https://github.com/rubocop/rubocop/issues/4063): Fix Rails/ReversibleMigration misdetection. ([@gprado][])
* [#4339](https://github.com/rubocop/rubocop/pull/4339): Fix false positive in `Security/Eval` cop for multiline string literal. ([@pocke][])
* [#4339](https://github.com/rubocop/rubocop/pull/4339): Fix false negative in `Security/Eval` cop for `Binding#eval`. ([@pocke][])
* [#4327](https://github.com/rubocop/rubocop/issues/4327): Prevent `Layout/SpaceInsidePercentLiteralDelimiters` from registering offenses on execute-strings. ([@drenmi][])
* [#4371](https://github.com/rubocop/rubocop/issues/4371): Prevent `Style/MethodName` from complaining about unary operator definitions. ([@drenmi][])
* [#4366](https://github.com/rubocop/rubocop/issues/4366): Prevent `Performance/RedundantMerge` from blowing up on double splat arguments. ([@drenmi][])
* [#4352](https://github.com/rubocop/rubocop/issues/4352): Fix the auto-correct of `Style/AndOr` when Enumerable accessors (`[]`) are used. ([@rrosenblum][])
* [#4393](https://github.com/rubocop/rubocop/issues/4393): Prevent `Style/InverseMethods` from registering an offense for methods that are double negated. ([@rrosenblum][])
* [#4394](https://github.com/rubocop/rubocop/issues/4394): Prevent some cops from breaking on safe navigation operator. ([@drenmi][])
* [#4260](https://github.com/rubocop/rubocop/issues/4260): Prevent `Rails/SkipsModelValidations` from registering an offense for `FileUtils.touch`. ([@rrosenblum][])
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