Odoo version 13 was released in Odoo Experience event on 2nd October 2019. Odoo new version includes again both  new features and performance improvements. Here are some highlights from the list:

• 5x improvements to performance with in-memory ORM.

• Module for e-learning.

• Redesign for some visuals in website modules.

• Website Form Builder and Sales Coupons are now in Community Edition.

• HR Payroll is now moved to Enterprise Edition. 
  

Please see the keynote from the event for more information about what's new in Odoo 13.

You can find more details from the Odoo official release notes.

To try out Odoo 13 you can easily run it in the modern way in Docker container by following instructions in blog post Odoo 13 in Docker Container.