rubocop
diff --git a/‎CHANGELOG.md
+24 b/‎CHANGELOG.md
+24
diff --git a/‎changelog/change_add_did_you_mean_message_when_warning.md
-1 b/‎changelog/change_add_did_you_mean_message_when_warning.md
-1
diff --git a/‎changelog/change_add_styleperlbackrefs_targets_and_change.md
-1 b/‎changelog/change_add_styleperlbackrefs_targets_and_change.md
-1
diff --git a/‎changelog/change_change_stylestringconcatenation_to.md
-1 b/‎changelog/change_change_stylestringconcatenation_to.md
-1
diff --git a/‎changelog/change_mark_performance_as_obsolete.md
-1 b/‎changelog/change_mark_performance_as_obsolete.md
-1
diff --git a/‎changelog/change_update_formatters_to_output_correctable.md
-1 b/‎changelog/change_update_formatters_to_output_correctable.md
-1
diff --git a/‎changelog/fix_an_incorrect_autocorrect_for_sole_nested_conditional.md
-1 b/‎changelog/fix_an_incorrect_autocorrect_for_sole_nested_conditional.md
-1
diff --git a/‎changelog/fix_handle_attr_accessor_on_last_line.md
-1 b/‎changelog/fix_handle_attr_accessor_on_last_line.md
-1
diff --git a/‎changelog/fix_handle_send_nodes_with_unparenthesized.md
-1 b/‎changelog/fix_handle_send_nodes_with_unparenthesized.md
-1
diff --git a/‎changelog/fix_remove_backref_related_code_from.md
-1 b/‎changelog/fix_remove_backref_related_code_from.md
-1
diff --git a/‎changelog/new_allow_configobsoletion_to_be_extended_by.md
-1 b/‎changelog/new_allow_configobsoletion_to_be_extended_by.md
-1
diff --git a/‎changelog/new_support_autocorrect_for_style_single_line_block_params.md
-1 b/‎changelog/new_support_autocorrect_for_style_single_line_block_params.md
-1
diff --git a/‎changelog/new_support_autocorrection_for_style_float_division.md
-1 b/‎changelog/new_support_autocorrection_for_style_float_division.md
-1
diff --git a/‎changelog/new_support_autocorrection_for_style_redundant_argument.md
-1 b/‎changelog/new_support_autocorrection_for_style_redundant_argument.md
-1
@@ -2,6 +2,28 @@
 
 ## master (unreleased)
 
+### New features
+
+* [#9125](https://github.com/rubocop-hq/rubocop/issues/9125): Allow ConfigObsoletion to be extended by other RuboCop libraries. ([@dvandersluis][])
+* [#9182](https://github.com/rubocop-hq/rubocop/pull/9182): Support auto-correction for `Style/RedundantArgument`. ([@koic][])
+* [#9186](https://github.com/rubocop-hq/rubocop/pull/9186): Support auto-correction for `Style/FloatDivision`. ([@koic][])
+* [#9167](https://github.com/rubocop-hq/rubocop/pull/9167): Support auto-correct for `StyleSingleLineBlockParams`. ([@koic][])
+
+### Bug fixes
+
+* [#9177](https://github.com/rubocop-hq/rubocop/pull/9177): Remove back-ref related code from `Style/SpecialGlobalVars`. ([@r7kamura][])
+* [#9160](https://github.com/rubocop-hq/rubocop/issues/9160): Fix an incorrect auto-correct for `Style/IfUnlessModifier` and `Style/SoleNestedConditional` when auto-correction conflicts for guard condition. ([@koic][])
+* [#9174](https://github.com/rubocop-hq/rubocop/issues/9174): Handle send nodes with unparenthesized arguments in `Style/SoleNestedConditional`. ([@dvandersluis][])
+* [#9184](https://github.com/rubocop-hq/rubocop/issues/9184): `Layout/EmptyLinesAroundAttributeAccessor` fails if the attr_accessor is the last line of the file. ([@tas50][])
+
+### Changes
+
+* [#9171](https://github.com/rubocop-hq/rubocop/pull/9171): Add "did you mean" message when failing due to invalid cops in configuration. ([@dvandersluis][])
+* [#8897](https://github.com/rubocop-hq/rubocop/issues/8897): Change `Style/StringConcatenation` to accept line-end concatenation between two strings so that `Style/LineEndConcatenation` can handle it instead. ([@dvandersluis][])
+* [#9172](https://github.com/rubocop-hq/rubocop/pull/9172): Add `Style/PerlBackrefs` targets and change message more detailed. ([@r7kamura][])
+* [#9187](https://github.com/rubocop-hq/rubocop/pull/9187): Update formatters to output `[Correctable]` for correctable offenses. ([@dvandersluis][])
+* [#9169](https://github.com/rubocop-hq/rubocop/pull/9169): Add obsoletion warnings for `Performance/*` and `Rails/*` which are in separate gems now. ([@dvandersluis][])
+
 ## 1.5.2 (2020-12-04)
 
 ### Bug fixes
@@ -5237,3 +5259,5 @@
 [@ThomasKoppensteiner]: https://github.com/ThomasKoppensteiner
 
 [@PhilCoggins]: https://github.com/PhilCoggins
+
+[@tas50]: https://github.com/tas50