Make Odoo a PWA
Allow multiple images for database objects
Add custom field in models
Contact deduplication with fine-grained permission control
Make invoices for all ready purchase orders
Display a specific description for each event type
New layout for event summary, including an excerpt and image
Allows to choose from a defined summary list
Responsive web client, community-supported
Mass Editing
Allow admin to set password security requirements.
Manage appointments and resource booking