Breaking Changes

@seuros Drop support for old version of ActiveRecord and Ruby and prepare rel

Added

@rbritom Tagged with rewrite @fearenales Due to database collisions, retry finding or creating a tag @brilyuhns Add owner_tags method to taggable @brilyuhns upport array of contexts in owner_tags_on method @brilyuhns Add specs for owner_tags_on and owner_tags methods

Fixes

@rbritom bump ruby versions for travis @mnrk Fixed Rails 5.1 deprecation message, has_many needs String value for @ProGM ProGM Adding a test to demonstrate the bug @ProGM ProGM Ensure that caching_tag_list_on? is injected before using it @ProGM ProGM Fix insert query for postgresql. Move schema definition in schema.rb @amatsuda assigned but unused variable - any @gmcnaughton Fix incorrect call of 'self.class' on methods which are already class @gmcnaughton Fixed #712 (incompatibility with ActiveRecord::Sanitization#quoted_id) @arpitchauhan Guard against indexes already existing @arpitchauhan Rename migration to avoid conflicts @lukeasrodgers "Bugfix TagList#concat with non-duplicates." @fabn Revert "Added missed indexes."

Documentation

Corey Osman Adds a table of contents to the readme and contributing files @ashishg-qburst Fix typo in README @praveenangyan Update README.md @colemerrick update finding tagged objects in readme jaredbeck Help people upgrade to 4.0.0 @vasinov Update README.md