CHANGELOG
Unreleased version
* Teach #move_to_child_of and #move_to_child_with_index to accept :root as a parameter [Micah Geisel](https://github.com/botandrose)
* Add #roots method [Micah Geisel](https://github.com/botandrose)
3.6.0
* Support Rails 7.1 [Harshal Bhakta](https://github.com/harshalbhakta)
* Improve ImpossibleMove error message [AlejandroFernandesAntunes](https://github.com/AlejandroFernandesAntunes)
3.5.0
* Support Rails 7.0.0 [Peter Berkenbosch](https://github.com/peterberkenbosch) and [Andrew Hampton](https://github.com/andrewhampton)
* Make `order_column` option more flexible by removing explicit `=> :asc` [Regis Millet](https://github.com/Kulgar)
* Updated README to use latest migration syntax [Justin MacCarthy](https://github.com/macarthy)
* [Compare to 3.4.0](https://github.com/collectiveidea/awesome_nested_set/compare/v3.4.0...v3.5.0)
3.4.0
* Keep current scope when calling `roots` [Petrik de Heus](https://github.com/p8)
* STI record now can update counter cache correctly [Issei Murasawa](http://github.com/issei-m)
* [Compare to 3.3.1](https://github.com/collectiveidea/awesome_nested_set/compare/v3.3.1...v3.4.0)
3.3.1
* Add belongs_to :polymorphic key option only when used [Filippo Liverani](https://github.com/filippoliverani)
* [Compare to 3.3.0](https://github.com/collectiveidea/awesome_nested_set/compare/v3.3.0...v3.3.1)
3.3.0
* Update for compatibility with Rails 6.1 which no longer inherits scoping
(Messages of the form "DEPRECATION WARNING: Class level methods will no longer inherit scoping from ...") [Marc Rohloff](https://github.com/marcrohloff)
* Fix ruby 2.7 keyword parameters deprecation warning [Krisdigital](https://github.com/krisdigital)
* [Compare to 3.2.1](https://github.com/collectiveidea/awesome_nested_set/compare/v3.2.1...v3.3.0)
3.2.1
* Don't reload in after_save callback. [Petrik de Heus](https://github.com/p8)
* Fix deprecation warning "Passing a range to `#in` is deprecated". [Konstantin Mochalov](https://github.com/kolen)
* [Compare to 3.2.0](https://github.com/collectiveidea/awesome_nested_set/compare/v3.2.0...v3.2.1)
3.2.0
* Add support for Rails 6.0 [Stefan Andersen](https://github.com/stfnndrsn) and [Damian Legawiec](https://github.com/damianlegawiec) and [Jonathan Tapia](https://github.com/jtapia) and [Alex](https://github.com/a-ta-ta)
* [Compare to 3.1.4](https://github.com/collectiveidea/awesome_nested_set/compare/v3.1.4...v3.2.0)
3.1.4
* Add support for Rails 5.2 [John Hawthorn](https://github.com/jhawthorn) and [marocchino](https://github.com/marocchino)
* [Compare to 3.1.3](https://github.com/collectiveidea/awesome_nested_set/compare/v3.1.3...v3.1.4)
3.1.3
* Add support for Rails 5.1 [John Hawthorn](https://github.com/jhawthorn)
* [Compare to 3.1.2](https://github.com/collectiveidea/awesome_nested_set/compare/v3.1.2...v3.1.3)
3.1.2
* Make belongs_to relation optional again [Jan Matusz](https://marahin.pl/)
* [Compare to 3.0.0](https://github.com/collectiveidea/awesome_nested_set/compare/v3.1.1...v3.1.2)
3.1.1
* Fix a reloading bug when using default scope [Krzysztof Rybka](https://github.com/krzysiek1507)
* [Compare to 3.1.0](https://github.com/collectiveidea/awesome_nested_set/compare/v3.1.0...v3.1.1)
3.1.0
* Ensure that nested_set queries respect the model's default_scope. [oesgalha](https://github.com/oesgalha)
* Add Rails 5 support [Krzysztof Rybka](https://github.com/krzysiek1507)
* Drop support for ruby 1.9.3 [Krzysztof Rybka](https://github.com/krzysiek1507)
* Fix .all_roots_valid? method when model is ordered by default [Adam Hodowany](https://github.com/hodak)
* Reuse the current model's connection when available [Tim Bugai] [#322](https://github.com/collectiveidea/awesome_nested_set/pull/322)
* [Compare to 3.0.3](https://github.com/collectiveidea/awesome_nested_set/compare/v3.0.3...v3.1.0)
3.0.3
* Add :nullify option to :dependent functionality to orphan children rather
than destroy them.
* [Compare to 3.0.2](https://github.com/collectiveidea/awesome_nested_set/compare/v3.0.2...v3.0.3)
3.0.2
* Fix `dependent: :restrict_with_exception` not allowing a delete to occur. [Brendan Kilfoil]
* Replace `Arel::SelectManager#join_sql` with `Arel::SelectManager#join_sources` as `Arel::Node#joins` accepts AST as well. [Swanand Pagnis]
* Corrected nested_set_scope usage. [Finbarr Taylor] [#292](https://github.com/collectiveidea/awesome_nested_set/pull/292)
* Fix bug: when model with default_scope make #lft and #rgt wrong [eddie](https://github.com/afunction) [#281](https://github.com/collectiveidea/awesome_nested_set/pull/281)
* [Compare to 3.0.1](https://github.com/collectiveidea/awesome_nested_set/compare/v3.0.1...v3.0.2)
3.0.1
* Fixed `dependent: :destroy` when called from associated object. #162 [Kuldeep Aggarwal]
* [Compare to 3.0.0](https://github.com/collectiveidea/awesome_nested_set/compare/v3.0.0...v3.0.1)
3.0.0
* Support Rails 4.1 [Micah Geisel]
* Support dependent: restrict_with_error [Tiago Moraes]
* Added information to the README regarding indexes to be added for performance [bdarfler]
* Modified associate_parents to add child objects to the parent#children collection [Tiago Moraes]
* Fix `dependent: :restrict_with_exception` not allowing a delete to occur. [Brendan Kilfoil]
* [Compare to v2.1.6](https://github.com/collectiveidea/awesome_nested_set/compare/v2.1.6...v3.0.0)
2.1.6
* Fixed rebuild! when there is a default_scope with order [Adrian Serafin]
* Testing with stable bundler, ruby 2.0, MySQL and PostgreSQL [Philip Arndt]
* Optimized move_to for large trees [ericsmith66]
2.1.5
* Worked around issues where AR#association wasn't present on Rails 3.0.x. [Philip Arndt]
* Adds option 'order_column' which defaults to 'left_column_name'. [gudata]
* Added moving with order functionality. [Sytse Sijbrandij]
* Use tablename in all select queries. [Mikhail Dieterle]
* Made sure all descendants' depths are updated when moving parent, not just immediate child. [Phil Thompson]
* Add documentation of the callbacks. [Tobias Maier]
2.1.4
* nested_set_options accept both Class & AR Relation. [Semyon Perepelitsa]
* Reduce the number of queries triggered by the canonical usage of `i.level` in the `nested_set` helpers. [thedarkone]
* Specifically require active_record [Bogdan Gusiev]
* compute_level now checks for a non nil association target. [Joel Nimety]
2.1.3
* Update child depth when parent node is moved. [Amanda Wagener]
* Added move_to_child_with_index. [Ben Zhang]
* Optimised self_and_descendants for when there's an index on lft. [Mark Torrance]
* Added support for an unsaved record to return the right 'root'. [Philip Arndt]
2.1.2
* Fixed regressions introduced. [Philip Arndt]
2.1.1
* Added 'depth' which indicates how many levels deep the node is.
This only works when you have a column called 'depth' in your table,
otherwise it doesn't set itself. [Philip Arndt]
* Rails 3.2 support added. [Gabriel Sobrinho]
* Oracle compatibility added. [Pikender Sharma]
* Adding row locking to deletion, locking source of pivot values, and adding retry on collisions. [Markus J. Q. Roberts]
* Added method and helper for sorting children by column. [bluegod]
* Fixed .all_roots_valid? to work with Postgres. [Joshua Clayton]
* Made compatible with polymorphic belongs_to. [Graham Randall]
* Added in the association callbacks to the children :has_many association. [Michael Deering]
* Modified helper to allow using array of objects as argument. [Rahmat Budiharso]
* Fixed cases where we were calling attr_protected. [Jacob Swanner]
* Fixed nil cases involving lft and rgt. [Stuart Coyle] and [Patrick Morgan]
2.0.2
* Fixed deprecation warning under Rails 3.1 [Philip Arndt]
* Converted Test::Unit matchers to RSpec. [Uģis Ozols]
* Added inverse_of to associations to improve performance rendering trees. [Sergio Cambra]
* Added row locking and fixed some race conditions. [Markus J. Q. Roberts]
2.0.1
* Fixed a bug with move_to not using nested_set_scope [Andreas Sekine]
2.0.0.pre
* Expect Rails 3
* Changed how callbacks work. Returning false in a before_move action does not block save operations. Use a validation or exception in the callback if you need that.
* Switched to RSpec
* Remove use of Comparable