There are many types of latest developments in Odoo,That You Have To Know.
1- Odoo use external authentication providers, sign in with Social Media-like
(i) Twitter Account
(ii) Facebook Account
(iii) LinkedIn Account
(iv) youtube account
(v) skype account

2- Over 4,000+ apps have been contributed by Odoo till date which are covering a wide variety of business needs.
3- Point of sales->-Odoo support point of sales with iPad, Android tablet PC
4- SEO Feature
5- New website builder and CMS
6- Live Chat - Odoo provides live chat option to directly chat with your customer in Real Time.
7- Accounting:- Odoo provides interface to configure paypal.
8- Paypal Option on Sells order form
9- Odoo provides Bank Reconciliation
10- Odoo provides Display Option in Search
11- Odoo provides Full featured eCommerce
12- Odoo provides Online Events
13- Odoo provides Improved calendar (with Google sync & alerts)
14- Odoo provides New Warehouse Management.
15- Odoo provides New API framework
16- Odoo provides New report engine (webkit+QWeb+editor)
17- Odoo provides Integrated Business Intelligence (cubes)
18- Odoo provides allows and send smses features
19- Odoo provides Mask designer
20- Odoo support iPad,Android Tablet PC and Mobile Application
21- Odoo provides Mass Mail Feature
22- Odoo provides Usability and ductivity improvements
23- Odoo provides Technical improvements
24- Odoo provides Database manager
25- Odoo provides Document management
26- Odoo provides Search Functionality