Highlights in this version are returns API, product syndication and improved search.
Litium Connect ERP API
PIM
Litium Search
Litium Accelerator
Back office
Other
Litium Connect ERP API
Ability for system to manage returns coming from Connect ERP API
To help merchants and simplify the refund of money Litium need to be able to receive information about the returned products and orders, calculate the amount to refund and to execute the refund of the payment.
With this functionality implemented the system will get ability to receive a return slip, create a Return Merchandize Authorization (RMA), get an ApproveRMA through the Litium Connect ERP API, to process the RMA, to create a Sales Return Order based on the RMA, to calculate the amount to be refunded, execute the refund of the payment and to complete the return.
Litium PIM
Ability for system to syndicate products
The purpose is to allow merchants to automatically distribute product information to external systems in formats that suit the receiving system. The typical use case is the transfer of product data to an external marketplace like Zalando or Amazon, who has their own set of fields and formats required. The syndication is set up programmatically, and there is not a UI yet to change the configuration.
Litium Search
Ability for visitor to get more relevant search results
With this ability the relevancy of the default search in Litium Search is improved. Technically, an edge nGram analyzer has been added.
Litium Accelerator
Ability to render fields and field groups dynamically in product page
With this ability the administrator can configure which field groups and fields that should be visible in the public pages like product pages.
Improved product listings in Accelerator
The overall design of products listings was improved. Unnecessary line removed and smaller fonts applied.
Also the labels for Search, My pages/login and Checkout were hidden to align with modern standards.
Litium back office
Ability for administrator to see scheduled publishing for pages and global blocks
As an administrator the time publishing status for a page or block is visible in several views of the administration.

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Ability for system to hide notifications when user leaves a view
With this ability, the notifications from the system to an administrator is automatically hidden when the administrator leaves a view.

Ability for administrator to move from variants tab to variant properties
With this ability an administrator can, when editing a product in PIM, double click a variant in the variants tab and be redirected to the properties tab, with the clicked variants properties at hand for editing.

Other
Ability to set time zone for the cron scheduler expression
To be able to easier configure the cron scheduler when the merchant's environment is in another time zone than UTC.
Bug fixes and improvements
Around 35 bug fixes and smaller improvements.
See the release notes here