v2.1.2

Includes:

1. Support Quarterly recurring payments (in addition to yearly/monthly)
2. Fix for State_province select box not populating for smart debit, for latest v4.6 versions.

v2.1.1

Issue: when we update billing for recurring, smart debit goes for validation process like new smart debit mandate.

Fix: Ignored if we are updating billing for existing mandate and check validation in payment processor's 'updateSubscriptionBillingInfo' method

2.1

v4.6 support

2.0

fixing info file & release preparation