update changelog

CHANGELOG.md

@@ -1,9 +1,30 @@
 # Change Log
 
-* Add the ability to skip arg sanitization on a per scope basis. Using 
+## Version 2.0.0 - unreleased
+
+* Add support for Active Record 5.2.1
+  PR [#938](https://github.com/activerecord-hackery/ransack/pull/938)
+
+* Fix sort with joins on existing association
+  PR [#937](https://github.com/activerecord-hackery/ransack/pull/937)
+
+* Add the ability to skip arg sanitization on a per scope basis. Using
   `ransackable_scopes_skip_sanitize_args`, users can define a list of
   scopes which will bypass parameter sanitization. This allows passing 0,
   1, t, f, etc. to a scope as an actual parameter.
+  PR [#933](https://github.com/activerecord-hackery/ransack/pull/933)
+
+* Drop support for Active Record < 5.0.
+  PR [#929](https://github.com/activerecord-hackery/ransack/pull/929)
+
+* Extract mongoid support to a separate gem.
+  PR [#928](https://github.com/activerecord-hackery/ransack/pull/928)
+
+* Absorb polyamorous
+  PR [#927](https://github.com/activerecord-hackery/ransack/pull/927)
+
+* Fix broken monkey patch of #form_with
+  PR [#922](https://github.com/activerecord-hackery/ransack/pull/922)
 
 ## Version 1.8.8 - 2018-03-16
 * Fix multiple database support
@@ -20,14 +41,14 @@
 
 * Rails 5.2 support
   PR [#868](https://github.com/activerecord-hackery/ransack/pull/868)
- 
+
 * Lock pg gem to 0.21 to support older releases
 
 * Warnings cleanup
   PR [#867](https://github.com/activerecord-hackery/ransack/pull/867)
 
 * Wildcard escaping
-  PR [#866] 
+  PR [#866]
 
 ## Version 1.8.6 - 2018-01-23
 
@@ -41,7 +62,7 @@
 
 ## Version 1.8.5
 
-### Added  
+### Added
 
 * Added Turkish Translations
   PR [#835](https://github.com/activerecord-hackery/ransack/issues/835).