SAP BusinessObjects BI 4.4 is due to be released in Q4 2020 according to inside sources at SAP.
The next major release of SAP BO is expected to contain a number of major functional enhancements and improvements.
Key new features are expected to be increased analytics and visualations and improved user interface.
SAP BusinessObjects BI 4.3 beta was relased in Q4 2019 and has met a cautious reception was key users and Business Intelligence Sofware industry watchers.
Previous SAP Business Objects Versions can be found here.