- Support Mysql2 adapter (@varyform)
- Add support for
update_duplicates
(@mstruve) - Add support for PostGIS, Mysql2Spatial (@knu)
- "Ignore" support for SQLite [@jfiander]
- "Ignore" support for PostgreSQL [Mauro Berlanda]
- add a callback for before_save [René Sprotte]
- better support for Rails 5
- add an option for ignoring errors on insert
- Adds support for an "after save" callback on the worker.
- Fix Deprecation warning with ActiveRecord 5.0.0;