# Changelog All notable changes to this project will be documented in this file.
The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.
- Removed merchant_id support from configuration options.
- Removed support for Ruby version < 2.4
- Added deprecation warning when setting merchant_id, app_id, app_key in config options.
- Use semantic versioning.
- Start running in https://statementdog.com production environment.