brotherton-erpnext/erpnext/change_log/v9/v9_0_0.md

POS

• Now user has an option to enable or disable Offline POS mode from POS Settings
• Provision to select the Item's serial number from the dropdown while adding item in the cart
• Indicator for stock availability in Online POS Mode.

Subscription

• Setup recurring documents using Subscription
• User can schedule the subscription for doctypes other than Sales Invoice, Purchase Invoice etc.