Version 2.4.1

• Added adjustment refund support: refund() and toRefundAttributes() on Recurly_Adjustment #133
• Added invoice refund supprt: refund() and refundAmount() on Recurly_Invoice #133

Version 2.4.0

• Force cURL to validate SSL certificates #122
• Reverted #64, removing balance_in_cents_invoiced and balance_in_cents_uninvoiced from Recurly_Account. They were never added to the API.
• Added tax_code to Recurly_Plan, Recurly_Addon and Recurly_Adjustment #120
• Added invoice previews: Recurly_Invoice::previewPendingCharges($accountCode) #112
• Added terms_and_conditions and customer_notes to Recurly_Invoice #115
• Added vat_location_valid field to Recurly_Account #127
• Added updateNotes() and vat_reverse_charge to Recurly_Subscription. #128
• Added vat_reverse_charge_notes to Recurly_Invoice. #128
• Added invoice_number_prefix and invoiceNumberWithPrefix() to Recurly_Invoice. This is to be used with the Country Invoice Sequencing feature. #130

Version 2.3.1

• Added remaining billing cycles to subscriptions: subscription->remaining_billing_cycles 91
• Added subscription change preview for existing subscriptions: subscription->preview() 94
• Remove readme reference to recurlyjs v2 private key 97
• Addding bulk parameter to subscription creation 98
• Added account entity use code: account->entity_use_code 100
• Added PHP 5.6 and HHVM to travis.yml (thanks to Nyholm) 101
• Update branch alias to 2.3.x-dev (thanks to bangpound) 102
• Bump phpunit to 4.2 103
• Adds PayPal and Amazon support to Recurly_BillingInfo 104
• Adding bulk parameter to $subscription->postpone() 105

Version 2.3.0

• Added tax details to adjustments: $adjustment->tax_details #90
• Added subscription previews: $subscription->preview() #90

Version 2.2.6

• Added support for Recurly_Account field balance_in_cents_invoiced #64
• Added support for Recurly_Account field balance_in_cents_uninvoiced #64
• Added support for Recurly_BillingInfo field token_id #83
• Fixed bug in parsing large XML responses #88

Version 2.2.5

• Explictly call Recurly_Resource's constructor #67
• More tests for coupons #77
• Document where new releases are announced in the README #78
• Fixed error where where Recurly_Addon was not found #79 by baxevanis
• Fixed bug setting account address #80 by deviantintegral

Version 2.2.4

• Fixed error when trying to redeem expired or maxed out coupons (thanks to @jeffchannell)
• Improved documentation of Recurly_PushNotification (thanks to @richardkmiller)
• Updated XML in test fixtures
• Better tests for Recurly_Adjustment

Version 2.2.3

• Use PHPUnit for testing
• Remove old taxable parameter from Recurly_Adjustment
• Send null attributes because Recurly_PlanTest needs total_billing_cycles to be set to null for unlimited renewals.

2.2.2

• Fixed errors thrown due to empty XML strings #62 (Thanks to @beaudesigns)

Version 2.2.1

• Fixed invalid XML errors when saving subscriptions with add-ons.
• Added support for manual payments
• Added support for account level address
• Moved VAT number to Account