diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5251629..412cf9f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,22 +1,31 @@
-## v10.1.0 - (2023-12-01)
+## Released
 
-- Added `customer_id` filter to E-Commerce: [Orders](apis/ecommerce/reference#tag/Orders)
+## v10.1.0 - (2023-12-04)
 
-## Released
+- Added `customer_id` filter to E-Commerce: [Orders](apis/ecommerce/reference#tag/Orders)
 
 ### HRIS API
 
-- Improved employee mapping for [UKG Pro](connectors/ukg-pro)
+- Improved employee mapping & pagination for [UKG Pro](connectors/ukg-pro)
 - Deprecated API key authentication & "people" endpoint for [Hibob](connectors/hibob) in favor a new faster "people/search" endpoint and Service User authentication.
 - Improved employee mapping for [Hibob](connectors/hibob)
 - Extended the employee mapping for [Ceridian Dayforce](connectors/ceridian-dayforce])
-- Overall improvements of the coverage for employee properties for integrations: [Officient](connectors/officient-io), [Namely](connectors/namely), [Paychex](connectors/paychex), [PayFit](connectors/payfit), [Ceridian Dayforce](connectors/ceridian-dayforce]), [Cegid talentsoft](connectors/cegid-talentsoft), [Employment Hero](connectors/employmenthero),
+- Overall improvements of the coverage for employee properties for integrations: [Officient](connectors/officient-io),  [Namely](connectors/namely), [Paychex](connectors/paychex), [PayFit](connectors/payfit), [Ceridian Dayforce](connectors/ceridian-dayforce]), [Cegid talentsoft](connectors/cegid-talentsoft), [Employment Hero](connectors/employmenthero)
+- Employee model `leaving_reason` can be null
 
 ### Accounting API
 
 - Added write support for Journal Entries for [Exact Online](connectors/exact-online)
 - Added filtering & sorting options for [Netsuite](connectors/netsuite)
 
+### Proxy API
+
+- Added automatic HMAC authentication for [Netsuite](connectors/netsuite)
+
+### Ecommerce API
+
+- Added orders filter by customer_id on [Shopify](connectors/shopify), [Picqer](connectors/picqer), [Shopware](connectors/shopware), [BigCommerce](connectors/bigcommerce), [Prestashop](connectors/prestashop), [Magento](connectors/woocommerce)
+
 ### ATS API
 
 - Added support for writing Job applications for [Teamtailor](connectors/teamtailor)
@@ -407,6 +416,7 @@ Added the [Ecommerce API](apis/ecommerce/reference).
 - [Shopware](connectors/shopware)
 - [Wix](connectors/wix)
 - [Magento](connectors/woocommerce)
+- [Prestashop](connectors/prestashop)
 
 ## v8.89.0 - (2023-02-07)
 
diff --git a/hris.yml b/hris.yml
index 535e2a5..d1a32f5 100644
--- a/hris.yml
+++ b/hris.yml
@@ -1901,16 +1901,17 @@ components:
           example: '2028-10-26'
           nullable: true
         leaving_reason:
-          type: string
-          description: The reason because the employment ended.
-          example: resigned
-          x-apideck-enum-id: employees.leaving_reason
-          enum:
-            - dismissed
-            - resigned
-            - redundancy
-            - other
-          nullable: true
+          oneOf:
+            - type: string
+              description: The reason because the employment ended.
+              example: resigned
+              x-apideck-enum-id: employees.leaving_reason
+              enum:
+                - dismissed
+                - resigned
+                - redundancy
+                - other
+            - type: 'null'
         employee_number:
           $ref: '#/components/schemas/EmployeeNumber'
         employment_status: