diff --git a/CHANGELOG.md b/CHANGELOG.md
index f3cc68ec..6a00389e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,28 @@
+### v3.12.0 (2022-11-10)
+* * *
+
+### Fixes:
+* Fixed the correct import of content in init.php
+
+#### New endpoints:
+* credit_notes#import_credit_note has been added to the credit_notes resource.
+* subscriptions#import_unbilled_charges has been added to the subscriptions resource.
+
+#### New attributes:
+* shipped_at parameter has been added to the orders#list_orders API.
+
+#### Added input parameters:
+* voided_at and void_reason_code have been added to the invoices#import_invoice API.
+
+#### New attributes:
+* business_entity_id has been added to the orders resource.
+
+#### New Enum values:
+* registered has been added to the status enum in credit_note_einvoice and invoice_einvoice subresources.
+* type enum has been added to the subscription_discount subresource.
+* subscription_entitlements_created has been added to the event_type enum.
+
+
 ### v3.11.0 (2022-09-20)
 
 #### New Resource:
diff --git a/lib/ChargeBee/Models/CreditNote.php b/lib/ChargeBee/Models/CreditNote.php
index 5d6408b1..597abbf0 100644
--- a/lib/ChargeBee/Models/CreditNote.php
+++ b/lib/ChargeBee/Models/CreditNote.php
@@ -112,6 +112,11 @@ public static function resendEinvoice($id, $env = null, $headers = array())
     return Request::send(Request::POST, Util::encodeURIPath("credit_notes",$id,"resend_einvoice"), array(), $env, $headers);
   }
 
+  public static function importCreditNote($params, $env = null, $headers = array())
+  {
+    return Request::send(Request::POST, Util::encodeURIPath("credit_notes","import_credit_note"), $params, $env, $headers);
+  }
+
  }
 
 ?>
\ No newline at end of file
diff --git a/lib/ChargeBee/Models/Discount.php b/lib/ChargeBee/Models/Discount.php
deleted file mode 100644
index 04d8f55c..00000000
--- a/lib/ChargeBee/Models/Discount.php
+++ /dev/null
@@ -1,38 +0,0 @@
-<?php
-
-namespace ChargeBee\ChargeBee\Models;
-
-use ChargeBee\ChargeBee\Model;
-use ChargeBee\ChargeBee\Request;
-use ChargeBee\ChargeBee\Util;
-
-class Discount extends Model
-{
-
-  protected $allowed = [
-    'id',
-    'invoiceName',
-    'percentage',
-    'amount',
-    'currencyCode',
-    'durationType',
-    'period',
-    'periodUnit',
-    'includedInMrr',
-    'applyOn',
-    'itemPriceId',
-    'createdAt',
-    'applyTill',
-    'appliedCount',
-    'couponId',
-    'index',
-  ];
-
-
-
-  # OPERATIONS
-  #-----------
-
- }
-
-?>
\ No newline at end of file
diff --git a/lib/ChargeBee/Models/ItemPrice.php b/lib/ChargeBee/Models/ItemPrice.php
index 09748ac2..2af922e4 100644
--- a/lib/ChargeBee/Models/ItemPrice.php
+++ b/lib/ChargeBee/Models/ItemPrice.php
@@ -64,7 +64,7 @@ public static function retrieve($id, $env = null, $headers = array())
     return Request::send(Request::GET, Util::encodeURIPath("item_prices",$id), array(), $env, $headers);
   }
 
-  public static function update($id, $params = array(), $env = null, $headers = array())
+  public static function update($id, $params, $env = null, $headers = array())
   {
     return Request::send(Request::POST, Util::encodeURIPath("item_prices",$id), $params, $env, $headers);
   }
diff --git a/lib/ChargeBee/Models/Order.php b/lib/ChargeBee/Models/Order.php
index e81ca393..e06c8194 100644
--- a/lib/ChargeBee/Models/Order.php
+++ b/lib/ChargeBee/Models/Order.php
@@ -65,6 +65,7 @@ class Order extends Model
     'giftId',
     'resendReason',
     'resentOrders',
+    'businessEntityId',
   ];
 
 
diff --git a/lib/ChargeBee/Models/Subscription.php b/lib/ChargeBee/Models/Subscription.php
index eb6fa697..01e7523f 100644
--- a/lib/ChargeBee/Models/Subscription.php
+++ b/lib/ChargeBee/Models/Subscription.php
@@ -223,6 +223,11 @@ public static function importContractTerm($id, $params = array(), $env = null, $
     return Request::send(Request::POST, Util::encodeURIPath("subscriptions",$id,"import_contract_term"), $params, $env, $headers);
   }
 
+  public static function importUnbilledCharges($id, $params, $env = null, $headers = array())
+  {
+    return Request::send(Request::POST, Util::encodeURIPath("subscriptions",$id,"import_unbilled_charges"), $params, $env, $headers);
+  }
+
   public static function importForItems($id, $params, $env = null, $headers = array())
   {
     return Request::send(Request::POST, Util::encodeURIPath("customers",$id,"import_for_items"), $params, $env, $headers);
diff --git a/lib/ChargeBee/Models/SubscriptionDiscount.php b/lib/ChargeBee/Models/SubscriptionDiscount.php
index 85de6d6e..19972b78 100644
--- a/lib/ChargeBee/Models/SubscriptionDiscount.php
+++ b/lib/ChargeBee/Models/SubscriptionDiscount.php
@@ -9,6 +9,7 @@ class SubscriptionDiscount extends Model
   protected $allowed = [
     'id',
     'invoiceName',
+    'type',
     'percentage',
     'amount',
     'currencyCode',
diff --git a/lib/ChargeBee/Version.php b/lib/ChargeBee/Version.php
index f5efcb00..c051e248 100644
--- a/lib/ChargeBee/Version.php
+++ b/lib/ChargeBee/Version.php
@@ -4,7 +4,7 @@
 
 final class Version
 {
-	  const VERSION = '3.11.0';
+	  const VERSION = '3.12.0';
 }
 
 ?>
diff --git a/lib/init.php b/lib/init.php
index 76100326..e359ec89 100644
--- a/lib/init.php
+++ b/lib/init.php
@@ -208,4 +208,4 @@
 require(dirname(__FILE__) . '/ChargeBee/Models/VirtualBankAccount.php');
 require(dirname(__FILE__) . '/ChargeBee/Models/Content.php');
 
-?>
+?>
\ No newline at end of file