This is part of the SAP Lumira Discovery Series of blogs.
SAP released Lumira 2.2 in August 2018 for all three components: Discovery, Designer and Server. The focus has been on the following key enhancements apart from break fixes.

Note : This is in addition to features of Lumira Discovery 2.0 & 2.1
KEY HIGHLIGHTS
The following are 5 main features which have been introduced in the latest version:
Improved Filters and Linked Analysis
- Filter propagation for linked dimensions
- Improved filter on measure
- Pass “all dimensions” as context from source to target visualizations
- Totals supported in crosstab in case of calculated measures and blended visualizations
Improved Number Formatting and Language Support
- Improved language support for discovery based on SAP BW as source
- Language support in Open document links
- Improved number formatting
- Scheduling enhancements for languages
Presentation Improvements for SAP BW Import
- Supporting different presentation for characteristics like Text/Short Text/Medium Text/Long Text and Key & Text
- Support for manual entry for dates in BW variables in SAP BW import and live workflows
Improved Stability and Performance
- HANA live workflows
- Filter and Drill operation workflows
- Data manipulation actions
- Switching between pages within a story
- Crosstab scroll operations
Other Enhancements
- Export to PDF Improvements
- Scheduling Improvements in Server
- Improved interoperability with Lumira Designer
SAP will be focusing on support and maintenance of Discovery moving forward and Designer would be further enhanced as an Enterprise solution. Here is a quick snippet of the same,

Interested to learn how to leverage SAP Lumira for your enterprise (or) train your business users in SAP Lumira Discovery? Reach out to us today.