Shopify is announcing that Active Merchant with version number 1.55.0 is already available to download.
What is Active Merchant ?
Active Merchant is .
The Active Merchant library was extracted from Shopify and Spreedly’s internal librariers that deal with online credit card payments and open sourced for everyone to use. For the full list of supported direct and offsite payment gateways, please refer to the Active Merchant README file. Currently the library supports over 125 services and new ones are added with every version. Active Merchant can be used natively inside RoR apps, but works as a stand-alone Ruby library as well if needed.
This is changelog for Active Merchant version 1.55.0 :
You can read the complete changelog and also download this latest version on their homepage: activemerchant.org